GME ​Stu​​dies​​​​​

Studies by Program Specialty*
N=439

*Jan 2024 – Mar 2026

Bariatric Surgery

Study Title	Principal Investigator	Lead Trainee	Medical Center
Re-evaluating the need for peri-operative antibiotic prophylaxis in elective bariatric surgery	Yenumula, Panduranga	Dalvin, Mark	South Sacramento

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Cardiology

Study Title	Principal Investigator	Lead Trainee	Medical Center
The application of natural language processing-based algorithms to adjudicate hospitalizations for de novo compared to worsening chronic heart failure	Ambrosy, Andrew	Hamilton, Steven	San Francisco
Prevalence of Chagas disease in a large integrated health care system	Zaroff, Jonathan	Hernandez, Salvador	San Francisco
Familial hypercholesterolemia registry	Pursnani, Seema	Lee, Emily	San Francisco
Pregnancy in patients with pulmonary hypertension	Zaroff, Jonathan	Shah, Lochan	San Francisco
Peripartum cardiomyopathy: Long term outcomes from a Kaiser Permanente Northern California cohort – Aim 3	Pursnani, Seema	Fairman, Alix	San Francisco
Associations between BMI in young adulthood and coronary artery calcification	Bhatt, Ankeet	Tai, Andrew	San Francisco
The International Spontaneous Coronary Artery Dissection Registry – Aims 1 and 2	Naderi, Sahar	Fairman, Alix	San Francisco

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Community Medicine

Study Title	Principal Investigator	Lead Trainee	Medical Center
Assessing the immunological effects of stimulant vs non-stimulant medication treatment for ADHD	Braun, Armand	Cody, Harry	Santa Rosa
The effect of culinary interventions (cooking classes) on risk factors for cardiac and metabolic disease	Muelly, Emilie	Hammack, Lilly	Santa Clara
Limited English proficiency and kidney disease outcomes in Hispanic adults in Kaiser Permanente Northern California members	Gonzalez, Ruben	Larez, Raymond	Vallejo

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Emergency Medicine

Study Title	Principal Investigator	Lead Trainee	Medical Center
Baseline evaluation of endometrial biopsies variables that Lead to insufficient pathology and increase operating room utilization – hyperplasia & cancer subgroup	Howe, Margaret	Khetani, Sukaynah	Modesto
Complications and disposition of patients with rib fractures in community hospitals – Aim 1	Zitek, Tony	Marquez, Diego	Modesto
The benefits of serial influenza vaccination in children – oseltamivir	Zitek, Tony	Yu, Alexander	Modesto
The effects of nitrous oxide on pain, anxiety, and patient satisfaction during office endometrial biopsy	Howe, Margaret	Khetani, Sukaynah	Modesto
The effects of nitrous oxide on pain, anxiety, and patient satisfaction during office endometrial biopsy – chronic pain subgroup	Howe, Margaret	Khetani, Sukaynah	Modesto
Polypropylene versus nylon for closure of traumatic skin lacerations: A retrospective cohort analysis	Zitek, Tony	Feifel, Ariel	Modesto
Polypropylene versus nylon for closure of traumatic skin lacerations: Primary outcome	Zitek, Tony	Feifel, Ariel	Modesto
Polypropylene versus nylon for closure of traumatic skin lacerations: Secondary outcomes	Zitek, Tony	Karimi, Ehsan	Modesto
The benefits of serial influenza vaccination in children – influenza infections	Zitek, Tony	Al-Najjar, Laith	Modesto
Incidence and characteristics of cervical spine injuries in young children in community hospitals	Zitek, Tony	Alazawi, Zaid	Modesto
Clinical outcome of acute pulmonary embolism after the implementation of pulmonary embolism response team	Yang, Jun	Aghaei, Reza	Modesto
Utility of routine acetaminophen and salicylate levels in patients presenting to the emergency department on a psychiatric hold	Zitek, Tony	Mahmoudi Hamidabad, Negin	Modesto
Effects of implementing resident run emergency medicine pod on resident learning and experience	Stuempfig, Nathan	Rahman, Hanna	Modesto
Baseline evaluation of endometrial biopsies variables that lead to insufficient pathology and increase operating room utilization – Aim 1	Howe, Margaret	Marquez, Diego	Modesto
The effects of nitrous oxide on pain, anxiety, and patient satisfaction during office endometrial biopsy – Aim 2	Howe, Margaret	Ibanez, Sarah	Modesto
Emergency department ultrasound-guided nerve blocks for hip fracture analgesia	Durant, Edward	Yang, Nhia	Modesto
Reducing low-value procedures in a large medical group setting	Wilkins, Kip	Bhagat, Nina	Modesto
Computed tomography use reduction in ostensive ureteral stone – hydronephrosis severity	Durant, Edward	Zhang, Rayven	Modesto
Effects of a new emergency medicine training program on radiology utilization	Durant, Edward	Lakireddy, Jayakala	Modesto
Risk of short-term vital sign deterioration in low-risk pulmonary embolism patients presenting to the emergency department with normal vital signs	Hofmann, Erik	Yusvirazi, Liga	Modesto
Risk factors for delay in diagnosis of spinal epidural abscess	Kene, Mamata	Maciey, Sarabeth	Fremont
The benefits of serial influenza vaccination in children – oseltamivir	Zitek, Tony	Al-Najjar, Laith	Modesto
Complications and disposition of patients with rib fractures in community hospitals – Aim 2	Zitek, Tony	Shah, Anisha	Modesto

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Family Medicine

Study Title	Principal Investigator	Lead Trainee	Medical Center
Impact of the COVID-19 pandemic on prenatal mental health and adverse pregnancy outcomes	Erickson-Ridout, Kathryn	Hower, Kimberly	Santa Rosa
Screening for Adverse Childhood Experiences in Family Medicine Environments – abbreviated questionnaire and referrals to resilience-building resources	Erickson-Ridout, Kathryn	Chen, Eugenia	San Jose
The impact of the COVID-19 pandemic on glycemic control in patients with diabetes mellitus type 2 enrolled in the Preventing Heart Attacks and Strokes Everyday program	Liu, Melissa	Juan, Justin	San Jose
Telemedicine vs in-person appointment for initial assessment of low back pain in primary care: impact on utilization and outcomes (Aim 1)	Shaver, Julia	Funez-Castro, Esther	Santa Rosa
Telemedicine vs in-person appointment for initial assessment of low back pain in primary care: impact on utilization and outcomes (Aim 2)	Shaver, Julia	Dowlearn, Thomas	Santa Rosa
Association between BMI and cancer screenings in an integrated health setting	Friedman, Rachel	Githere-Thande, Nancy	Santa Rosa
The differences in the rates of advanced care directives completion among married and single men and women across Asian, Latinx, and African American adults	Gonzalez, Ruben	Rabanales, Maria	Vallejo
The effect of long-acting reversible contraception on sexually transmitted infection incidence in teens	Goodwin, Kelsey	Dutton-Kneaves, Clara	Vallejo
Does advanced care planning have an impact on quality of life and overall health care costs in elderly patients with dementia at Kaiser Permanente Nothern California?	Gonzales, Ruben	Tabernik, Leah	Vallejo
The AFFIRM California study (Assessing Family Friendly care In Realizing self-Management): Statewide survey of self-management support for families of children with special health care needs	Silver, Adrienne	Kay, Molly	Santa Rosa
Assessing the association between postpartum depression screening rates, timing, and severity of depression during the COVID-19 pandemic	Erickson-Ridout, Kathryn	Rubin, Sean	San Jose
Antenatal hand expression pilot project	Steuerle, Kristin	Kwong, Jane	Santa Rosa
Improving healthcare follow-up for transgender patients in primary care: A quality improvement initiative	Poon, Jin	Kim, Lisa	Napa Solano
Geospatial mapping analysis of hypertension patients with persistently poor blood pressure control in an integrated health care system	Shaver, Julia	Kim, Timothy	Santa Rosa
Telemedicine vs in-person appointment for initial assessment of low back pain in primary care: Impact on utilization and outcomes – Aim 1	Shaver, Julia	Funez-Castro, Esther	Santa Rosa
Telemedicine vs in-person appointment for initial assessment of low back pain in primary care: Impact on utilization and outcomes – Aim 2	Shaver, Julia	Dowlearn, Thomas	Santa Rosa
Effects of cessation vs. continuation of antidepressants on maternal outcomes in pregnant patients with pre-existing depression	Ridout, Samuel	Eswarappa, Chethana	San Jose
Operative vs non-operative management of distal bicep tendon ruptures: Patient-reported outcomes	Gray, Katherine	Clough, Stephanie	San Jose
Evaluating the impact of ambient AI scribes on clinical documentation burden among primary care residents in Kaiser Permanente Northern California	Friedman, Rachel	Magan Mendoza, Yimdriuska	Santa Rosa
The impact of doula care on Cesarean rates in first time mothers with singleton term live births	Whitaker, Aljanee	Zai, Tiffany	Vallejo
The effect of culinary interventions (cooking classes) on risk factors for cardiac and metabolic disease – impact of session attendance on outcomes	Muelly, Emilie	Ostrea, Geraldine	San Jose
Co-occurrence of adverse childhood experiences: A meta-analysis	Erickson-Ridout, Kathryn	Rubin, Sean	San Jose
Impact of COVID-19 pandemic sheltering-in-place order on the incidence and type of sports-related fractures, strain, and sprain	Evans, Jacob	Serrano, Sabrina	San Jose

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Gastroenterology

Study Title	Principal Investigator	Lead Trainee	Medical Center
Association of oral antibiotics and risk of early-onset colorectal cancer	Lee, Jeffrey	Kane, Kevin	San Francisco
Combined versus separate endoscopic ultrasonography (EUS) and endoscopic retrograde cholangiopancreatography (ERCP) for malignant distal biliary obstruction (MDBO) – clinical outcomes	Hamerski, Christopher	Davis, Brenton	San Francisco
Combined versus separate endoscopic ultrasonography and endoscopic retrograde cholangiopancreatography for malignant distal biliary obstruction	Hamerski, Christopher	Davis, Brenton	San Francisco
Risk of thromboembolic events following reinitiation of direct oral anticoagulants after elective colonoscopy	Lee, Jeffrey	Leung, Lawrence	San Francisco
Validation of the Baveno VII criteria for identification of clinically significant portal hypertension among a large, diverse cohort of patients with compensated advanced chronic liver disease	Mukhtar, Nizar	Leung, Marcia	San Francisco
Systematic review and meta-analysis of gut-directed hypnotherapy for irritable bowel syndrome	Adler, Elizabeth	Adler, Elizabeth	San Francisco
Improving health outcomes and reducing healthcare costs in individuals with helicobacter pylori infection in a large, community-based population – risk factors of esophageal adenocarcinoma and Barrett’s esophagus after H. Pylori treatment among Kaiser Permanente Northern California adult members	Li, Dan	Medina, Sheyla	San Francisco
A prospective evaluation of a 5-aminosalicylic-acid de-Implementation intervention among patients with inflammatory bowel disease on biologic or immunomodulator therapy	Lee, Jeffrey	Goldman, Max	San Francisco
Combined versus separate endoscopic ultrasonography and endoscopic retrograde cholangiopancreatography for malignant distal biliary obstruction – clinical outcomes	Hamerski, Christopher	Davis, Brenton	San Francisco

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General Surgery

Study Title	Principal Investigator	Lead Trainee	Medical Center
Genetic testing in ductal carcinoma In situ	Shim, Veronica	Dzubnar, Jessica	Oakland
Are routine, daily chest radiographs necessary after following minimally invasive video-assisted thoracic surgery and robotic-assisted thoracic surgery lobectomy?	Velotta, Jeffrey	Alcasid, Nathan	Oakland
Minimally-invasive esophagectomy operative time: Evaluating post-operative outcomes	Velotta, Jeffrey	Hsu, Diana	Oakland
Outcomes and predictive value of anastomotic evaluation using indocyanine green fluorescence during minimally invasive esophagectomy: Does mediastinal envelope closure affect outcomes?	Velotta, Jeffrey	Susai, Cynthia	Oakland
Role of diagnostic laparoscopy in Siewert II gastroesophageal junction adenocarcinoma	Velotta, Jeffrey	Alcasid, Nathan	Oakland
The prevalence of primary lung cancer among women with prior personal and/or family history of cancer in an integrated healthcare delivery system	Velotta, Jeffrey	Villanueva, Carissa	Oakland
Real world outcomes of non-small cell lung cancer stage II and III patients receiving neoadjuvant therapy	Velotta, Jeffrey	Vasic, Ivana	Oakland
Multigene germline testing in patients with ductal carcinoma in situ vs invasive breast cancer in a large integrated health care system	Shim, Veronica	Dzubnar, Jessica	Oakland
Assessing management and outcomes of fibroepithelial lesions at a large, integrated health care system	Shim, Veronica	Dzubnar, Jessica	Oakland
Stage 3a non-small cell lung cancer: Outcomes by treatment strategy	Velotta, Jeffrey	Carroway, Preston William	Oakland
The prevalence of primary lung cancer among women with prior personal and/or family history of cancer in an integrated healthcare delivery system – Aim 2	Velotta, Jeffrey	Villanueva, Carissa	Oakland
The prevalence of primary lung cancer among women with prior personal and/or family history of cancer in an integrated healthcare delivery system – Aim 3	Velotta, Jeffrey	Villanueva, Carissa	Oakland
Effects of pneumothorax with or without required intervention in COVID patients	Velotta, Jeffrey	Susai, Cynthia	Oakland
Race/ethnicity disparities among video-assisted thoracoscopic surgery patients	Velotta, Jeffrey	Banks, Kian	Oakland

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Gynecologic Oncology

Study Title	Principal Investigator	Lead Trainee	Medical Center
Cervical cancer outcomes	Littell, Ramey	Kay, Allison	San Francisco

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Head & Neck Surgery

Study Title	Principal Investigator	Lead Trainee	Medical Center
Clinical and demographic characteristics of adults undergoing surgery for obstructive sleep apnea: Identification of potential barriers to care	Durr, Megan	Block, Nikolas	Oakland
Clinical course of cricopharyngeal bar and Zenker’s diverticulum	Jiang, Nancy	Pacheco, Caitlin	Oakland
Demographics of adults with obstructive sleep apnea who undergo nasal surgery	Rivero, Alexander	Collazo Melendez, Samuel	Oakland
Is a screening MRI always indicated for suspected vestibular schwannoma? An age-stratified analysis of imaging findings and effect on treatment course	Schloegel, Luke	Saba, Elias	Oakland
Age-stratified analysis of imaging utility in suspected retrocochlear pathology	Rivero, Alexander	Saba, Elias	Oakland
Factors affecting time to diagnosis in malignant neck masses	Wang, Kevin	Debbaneh, Peter	Oakland
Aspirin exacerbated respiratory disease: Challenges in diagnosis and treatment	Rivero, Alexander	Debbaneh, Peter	Oakland
Pain medication usage associated with surgical procedures to treat obstructive sleep apnea	Rivero, Alexander	Collazo, Samuel	Oakland
The role of glucagon-like peptide 1 receptor agonists in the medical management of spontaneous cerebrospinal fluid leaks	Liang, Jonathan	Collazo Melendez, Samuel	Oakland
Improving diagnostic efficiency of the adult neck-mass workup	Wang, Kevin	Haupt, Thomas	Oakland
Exploring the overlap between Meniere’s disease and idiopathic intracranial hypertension	Rivero, Alexander	Melendez, Samuel Collazo	Oakland
Risk of thyroid cancer with glucagon-like peptide-1 receptor agonists	Liang, Jonathan	Del Mundo, Nicholas	Oakland

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Hematology Oncology

Study Title	Principal Investigator	Lead Trainee	Medical Center
Factors associated with lymphedema pre-implementation in patients receiving radiation after surgery for cutaneous Merkel cell carcinoma	Jones, Maris	Seto, Tiffany	San Francisco
Risk factors for ibrutinib related cardiotoxicity	Lopez, Alfredo	Kumar, Deepika	San Francisco
Adherence to extended endocrine therapy in early-stage breast cancer patients within an integrated health system	Liu, Raymond	Wei, Jenny	San Francisco
End of life outcomes of advanced cancer patients at Kaiser Permanente Northern California – Sub-aim: Outpatient pal care improves outcomes in advanced cancer patients	Liu, Raymond	Lynch, Andrew	San Francisco
Patient characteristics associated with oncotype diagnosis in an integrated health system	Liu, Raymond	Aller, Ashley	San Francisco
Community based experiences with pembrolizumab with and without Lenvatinib in patients with advanced endometrial cancer in Northern California	Bookman, Michael	Jang, Allyson	San Francisco
Oncology telehealth utilization in the era of the novel coronavirus pandemic	Liu, Raymond	Lee, Michael	San Francisco
Immunomodulatory drug use and the incidence of secondary primary malignancies in patients with multiple myeloma: A retrospective cohort analysis	Liu, Raymond	Lynch, Andrew	San Francisco

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Internal Medicine

Study Title	Principal Investigator	Lead Trainee	Medical Center
A natural language processing-based approach to characterize the relationship between atrial fibrillation/atrial flutter and worsening heart failure events	Ambrosy, Andrew	Chang, Alex	San Francisco
BMI differences by race/ethnicity and Asian ethnicity among adults with diabetes	Arzumanyan, Hasmik	Chu, Clarence	Oakland
Diabetes care and outcomes in Asian subpopulations	Arzumanyan, Hasmik	Zeng, Billy	Oakland
Predictors and characteristics of adult patients with diabetes mellitus hospitalized for diabetic ketoacidosis and hyperosmolar coma	Arzumanyan, Hasmik	Marquez, Alexandro	Oakland
Role of lipoprotein alpha as a risk factor in subclinical heart failure	Bhatt, Ankeet	Butte, Zara	San Francisco
Characteristics of food protein-induced enterocolitis syndrome patients at Kaiser Permanente	Hoffman, Bryce	Phan, Christina	San Francisco
Incidence and predictors of upper gastrointestinal cancer in patients with Lynch syndrome	Li, Dan	Lin, Christina	Santa Clara
Correlation between nurse-assessed performance status and clinical outcomes in various groups of cancer patients	Liu, Raymond	Wei, Jenny	San Francisco
Hypertension prevalence and associated outcomes among adolescent girls with and without polycystic ovary syndrome	Lo, Joan	Zhang, Sherry	Oakland
The effect of exercise on young, obese adults and their risk for developing depression during the COVID-19 pandemic	Muelly, Emilie	Shing, Joshua	Santa Clara
The factors associated with and clinical impact of utilization of the Liver Imaging Reporting and Data System among Kaiser Permanente members presented at Westbay Liver Tumor Board	Mukhtar, Nizar	Lam, Steven	San Francisco
Advancing research into the effectiveness of a serogroup B outer membrane vesicle meningococcal vaccine against gonorrhea	Zerbo, Ousseny	Pelliccione, Alex	Oakland
Benefits of stenting low gradient arch obstruction in coarctation of the aorta – comparative outcomes with no stent group	Meadows, Alison	Srikanth, Kishan	San Francisco
Early metformin prescription among patients with newly diagnosed type 2 diabetes	Muelly, Emilie	Saba, Dina	Santa Clara
Food allergy outcomes of patients on biologics who have comorbid food allergies	Tan, Jessica	Bhatnagar, Saheba	San Francisco
Effect of lifestyle medicine interventions on asthma management	Muelly, Emilie	Albert, Andria	Santa Clara
The effect of culinary interventions (cooking classes) on risk factors for cardiac and metabolic disease	Muelly, Emilie	Hammack, Lilly	Santa Clara
Cancer screening in patients with primary sclerosing cholangitis – cancer-related screening and outcomes	Hassid, Benjamin	Murphy, Ryan	Oakland
Cancer screening in patients with primary sclerosing cholangitis – disease progression and complications	Hassid, Benjamin	Murphy, Ryan	Oakland
Comparative assessment of coronary revascularization strategies on dementia incidence in older adults with an acute coronary syndrome	Krishnaswami, Ashok	Yang, Janine	Santa Clara
Variable phenotypes of eosinophilic esophagitis: Does gender, age and race play a role? – Deospatial distribution of eosinophilic esophagitis	Lam, Angela	Song, Janet	Santa Clara
Variable phenotypes of eosinophilic esophagitis: Does gender, age and race play a role? – Eosinophilic esophagitis symptoms and eating disorder risk factors	Lam, Angela	Sandhu, Janteshpreet (Jana)	Santa Clara
Risk of colorectal cancer after sessile serrated polyp removal	Lee, Jeffrey	Xie, Willa	San Francisco
Identifying risk factors of acute maternal cardiovascular events in pregnancies with systemic lupus erythematosus	Liu, Lucy	Liu, Emily	San Francisco
Association between pre-established cardiovascular risk scores and cardiovascular mortality in breast cancer patients	Liu, Raymond	Wabl, Chiara	San Francisco
Glucagon-like peptide-1 effects on hypoglycemia rates in type 1 diabetics	Vu, Joseph	Tranton, Henry	Santa Clara
Clinicopathologic studies of kidney disease	Zheng, Sijie	Miramontes, Emily	Oakland
Death in the first 90 days: Comparison between hemodialysis and peritoneal dialysis – demographic and clinical characteristics	Zheng, Sijie	McElhiney, Elizabeth	Oakland
Death in the first 90 days: Comparison between hemodialysis and peritoneal dialysis – early mortality rates and causes of death	Zheng, Sijie	McElhiney, Elizabeth	Oakland
Death in the first 90 days: Comparison between hemodialysis and peritoneal dialysis – risk factors	Zheng, Sijie	McElhiney, Elizabeth	Oakland
The role of terlipressin in treatment of hepatorenal syndrome	Zheng, Sijie	Lu, Jasmine	Oakland
The initial care of younger adults with newly diagnosed Type 2 diabetes: Examining associations between patient-reported factors and inadequate early disease control	Gopalan, Anjali	Yin, Chelsea	Oakland
Evolving incidence of severe alcohol-associated hepatitis	Saxena, Varun	Sandhu, Janteshpreet (Jana)	Santa Clara
Can delta serum bicarbonate be used to differentiate whether patients who present with normal blood pressures and elevated lactates are a maker of occult shock versus other etiologies of hyperlactatemia? – Additional Analyses	Seigel, Todd	Chang, Amanda	Oakland
Prevalence of polycystic ovary syndrome among adolescent females in pediatric primary care 2021–2023	Lo, Joan	Naidu, Anika	Oakland
Adherence to the post-polypectomy surveillance guidelines after removal of non-advanced adenomas	Lee, Jeffrey	Hendel, Jeffrey	San Francisco
Comparing early with late autoimmune hepatitis related hospitalization and assessing clinical and demographic predictors of autoimmune hepatitis related hospitalization	Radhakrishnan, Kavita	Kapoor, Chandni	Oakland
Oral antibiotic use in early adulthood and risk of early-onset colorectal adenomas: Case-control study	Lee, Jeffrey	Bal, Amanat	San Francisco
Evaluating the feasibility of a trauma-focused support group for patients with mixed cancer diagnoses	Liu, Raymond	Anderson, Brandon	San Francisco
Unveiling the hidden burden: Prevalence and characteristics of symptomatic cancer diagnosed in emergency and hospital settings – Aim 1	Liu, Raymond	Anderson, Brandon	San Francisco
Unveiling the hidden burden: Prevalence and characteristics of symptomatic cancer diagnosed in emergency and hospital settings – Aim 2	Liu, Raymond	Tamima, Sabiha	Oakland
Identification of social risks for patients with cancer seen in the oncology infusion center	Ragavan, Meera	Shieh, Christine	Oakland
Antibiotic use in young adults and risk of colorectal adenomas	Lee, Jeffrey	Bal, Amanat	San Francisco
The incidence of acute kidney injury in patients with idiopathic inflammatory myopathy	Sabouri, Amir	Dahabreh, Dante	Oakland
Can delta serum bicarbonate be used to differentiate whether patients who present with normal blood pressures and elevated lactates are a marker of occult shock versus other etiologies of hyperlactatemia?	Seigel, Todd	Deng, Aaron	Oakland
Cancer screening in patients with primary sclerosing cholangitis	Hassid, Benjamin	Murphy, Ryan	Oakland
Long-term outcomes following resection of large and complex colorectal polyps	Lee, Jeffrey	Billett, Nathan M	San Francisco
Patient characteristics and outcomes in low-risk myelodysplastic syndrome	Stevenson, Ryan	Yang, Mike	San Francisco
Pediatric obesity and weight tracking in the Get Healthy Action Plan population – alopecia outcome	Lo, Joan	Dani, Advika	Oakland
Validation and comparative assessment of a hepatocellular carcinoma risk factor score in chronic hepatitis B infection	Mukhtar, Nizar	Li, Xiaoran	San Francisco
Positive antimitochondrial antibodies in patients with or without primary biliary cholangitis: A thirteen-year experience in a large hospital network	Radhakrishnan, Kavita	Mangla, Ananya Majumdar	Oakland
Utility of fluid resuscitation in low-risk patients with severe sepsis	Seigel, Todd	Macko, Christopher	Oakland
Pediatric obesity and weight tracking in the Get Healthy Action Plan population – hypertension outcome	Lo, Joan	Njuguna, Veronica Joy	Oakland
Incidence and risk factors of desmoid tumors in patients with familial adenomatous polyposis	Li, Dan	Thomas, Prakash	Santa Clara
(BHD or LAM) Clinical scoring system: Improving time to diagnosis in a large community health system	Mutneja, Rahul	Ting, Caleb	Santa Clara
Preventing hospitalizations due to air pollution from wildfire smoke	Myers, Laura	Yao, Jimmy	Oakland
Incidence and prevalence of inflammatory bowel disease by race and ethnicity in a Northern California integrated health system	Velayos, Fernando	Mulanax, Catalina	San Francisco
Differences in the prevalence, clinical characteristics, and outcomes in heart failure with improved ejection fraction by age	Bhatt, Ankeet	Srikanth, Kishan	San Francisco
Differences in the prevalence, clinical characteristics, and outcomes in heart failure with improved ejection fraction by race	Bhatt, Ankeet	Chang, Alex	San Francisco
Differences in the prevalence, clinical characteristics, and outcomes in heart failure with improved ejection fraction by sex	Bhatt, Ankeet	Liang, Yilin	San Francisco
Early metformin prescription among patients with newly diagnosed Type 2 diabetes	Wu, You	Saba, Dina	Santa Clara
Benefits of stenting low gradient arch obstruction in coarctation of the aorta	Meadows, Alison	Srikanth, Kishan	San Francisco
Preventative health care utilization in high risk patients with inflammatory bowel disease	Hassid, Benjamin	Kapoor, Chandni	Oakland
Multigated acquisition scan to echocardiogram project	Thadani, Samir	Huang, Tina	Santa Clara
Efficacy and safety of dual biologic therapy in inflammatory bowel disease: A retrospective study	Truta, Brindusa	Meltzer, Orr	Santa Clara
Real-world implementation of survivorship needs assessment in breast cancer survivors	Liu, Raymond	Wei, Jenny	San Francisco
Food allergy outcomes of patients on biologics who have comorbid food allergies	Hoffman, Bryce	Bhatnagar, Saheba	San Francisco
When targeted therapy targets the heart: Osimertinib-related cardiotoxicity in epidermal growth factor receptor mutated non-small-cell lung cancer	Liu, Raymond	Huang, Tina	Santa Clara
Preventing emergency department presentations of lung cancer in an integrated health system – Aim 2	Liu, Raymond	Zang, Mike	San Francisco
The International Spontaneous Coronary Artery Dissection Registry – Aim 3	Naderi, Sahar	Liang, Yilin	San Francisco
Association between race/ethnicity and gender in attaining cholesterol goals post coronary artery bypass grafting	Pursnani, Seema	Yang, Janine	Santa Clara
Prevalence of cirrhosis at AIH diagnosis among patients with or without concurrent extra-hepatic autoimmune diseases	Radhakrishnan, Kavita	Murphy, Ryan	Oakland
Identify the demographic and clinical characteristics of patients with multiple AIH related admissions versus those with a single admission	Radhakrishnan, Kavita	Kapoor, Chandni	Oakland
Preventing emergency department presentations of lung cancer in an integrated health system – Aim 1	Liu, Raymond	Dang, Arun	Santa Clara
Characteristics of pain related emergency department visits in patients with cancer receiving treatment within an integrated health system	Liu, Raymond	Wei, Jenny	San Francisco
Time toxicity for cancer patients at end-of-life	Liu, Raymond	Duffens, Ali	San Francisco
Contemporary descriptions of heart failure with improved ejection fraction in an integrated healthcare delivery system	Bhatt, Ankeet	Min, Kyung Hoon	San Francisco
Multivessel cardiology and incident dementia	Shah, Ahmed	Shin, Ed	Oakland
Septic arthritis and concomitant crystallography	Knueppel, Ryan	Dharmadhikari, Apoorva	Santa Clara
Reducing hospital-acquired debility by increased resident engagement with holistic institutional patient care model	Patel, Vishal	Fink, Emily	San Francisco
Renal disease in pregnancy and associated maternal and neonatal outcomes	Mehr, Ali Poyan	Chalk, Cynthia	San Francisco
Outcomes of nonsmoker lung adenocarcinoma with lepidic pattern	Mohanasundaram, Uma	Zhao, Jenny	Santa Clara
PSMA positron emission tomography utility in staging patients with prostate cancer and a high prostate-specific antigen (>30 ng/mL)	Harzstark, Andrea	Chee, Bryant	San Francisco
Preventing hospital readmissions using the stroke transitions program	Lynch, Meaghan	Jaberizadeh, Amir	San Francisco
Does surgery improve outcomes for stage IV non-small cell lung cancer (NSCLC) in a large integrated health system? – treatment patterns (aim1)	Velotta, Jeff	Chang, Amanda	Oakland
Does surgery improve outcomes for stage IV non-small cell lung cancer (NSCLC) in a large integrated health system? – survival outcomes by treatment strategy (aim 2)	Velotta, Jeff	Burke, Jackson	Oakland
Racial disparities in lung cancer screening in an integrated healthcare system	Velotta, Jeffrey	Javier, Carmen	San Francisco
Oncology secure messaging in the era of the novel coronavirus pandemic	Liu, Raymond	Anderson, Brandon	San Francisco
Evaluating trends and outcomes in patients with primary central nervous system lymphoma in an Integrated healthcare system	Dutia, Mrinal	Stover, Jack	Santa Clara
Immunosuppressive therapy-related adverse outcomes in patients with glomerular disorders – Aim 2/B	Mehr, Ali Poyan	Chalk, Cynthia	San Francisco
The prevalence and characteristics of sutoimmune hepatitis	Radhakrishnan, Kavita	Yao, Jimmy	Oakland
Immunosuppressive therapy-related adverse outcomes in patients with glomerular disorders – Aim 1/A	Mehr, Ali Poyan	Chalk, Cynthia	San Francisco
Racial/ethnic differences in pharmacotherapy among adults with diabetes	Arzumanyan, Hasmik	Yin, Chelsea	Oakland
Volumetric laser endomicroscopy in patients with Barrett’s esophagus and dysplasia	Chang, Howard	Ho, Samantha	Oakland
Association between race/ ethnicity and gender in attaining cholesterol goals post CABG: extended follow-up	Pursnani, Seema	Yang, Janine	Santa Clara
Effect of shelter-in-place and the COVID-19 pandemic on diabetics	Pursnani, Seema	Bommireddi, Akshay	Santa Clara
Understanding the impact of race-ethnicity and gender on cardiovascular outcomes following coronary artery bypass grafting	Pursnani, Seema	Yang, Janine	Santa Clara
Diagnostic delay in head and neck lymphoma	Lo, Joan	Lynch, Andrew	Oakland
A comparison of patient outcome between teaching and nonteaching services in a large urban integrated health care system	Mok, Kenny	Andemel, Naissem	San Francisco
Bone density in Chinese women with and without limited English proficiency	Lo, Joan	Yang, Betsy	Oakland
End of life outcomes of advanced cancer patients at Kaiser Permanente Northern California. Original project aim: Emergency department utilization and hospitalization among cancer patients in Kaiser Permanente Northern California over a 5-year period	Liu, Raymond	Nortey, Joel	Oakland
Comparing efficacy of treatment for granulomatous mastitis	Knueppel, Ryan	Dharmadhikari, Apoorva	Santa Clara
Variable phenotypes of eosinophilic esophagitis: Does gender, age and race play a role?	Lam, Angela	Song, Janet	Santa Clara
Utility of fluid resuscitation in low-risk patients with severe sepsis – stratified by BMI	Seigel, Todd	Shieh, Christine	Oakland
Time toxicity in malignant glioma patients within an integrated healthcare system	Liu, Raymond	Wabl, Chiara	San Francisco
Trends of lung cancer in those eligible for screening according to standardized screening guideline	Liu, Raymond	Song, Janet	Santa Clara
Improving health outcomes and reducing healthcare costs in individuals with helicobacter pylori infection in a large, community-based population – potential adverse effects of H. pylori treatment on risk of autoimmune disease	Li, Dan	Song, Janet	Santa Clara
Can the omega score be used to stratify women with early stage hormone receptor-positive breast cancer to better understand competing mortality and who would benefit from hormone replacement therapy?	Liu, Raymond	Wabl, Chiara	San Francisco
Glucagon-like peptide-1 agonists efficacy for weight loss in cancer survivors	Feliciano, Elizabeth	Song, Janet	Santa Clara
Risk of colorectal cancer after traditional serrated adenoma removal	Lee, Jeffrey	Oh, Aaron	San Francisco
Seasonal and regional variation in systemic reactions to subcutaneous immunotherapy for environmental allergies at Kaiser Permanente Northern California	Stephen, Ellen	Bhatnagar, Saheba	San Francisco
Outcomes and long-term toxicities of checkpoint inhibitor therapy in Hodgkin lymphoma: A retrospective cohort study	Stevenson, Ryan	Albert, Andria	Santa Clara
Endocrine therapy uptake in estrogen receptor-positive node-negative breast cancer: A comparative analysis	Liu, Raymond	Cho, Hye	Oakland
Risk of colorectal cancer in individuals with serrated polyposis	Li, Dan	Meltzer, Orr	Santa Clara
Identifying risk factors of acute maternal cardiovascular events (CVEs) in pregnancies with systemic lupus erythematosus (SLE) – medication adherence	Liu, Lucy	Liu, Emily	San Francisco
Preventative health care utilization in high risk patients with inflammatory bowel disease	Hassid, Benjamin	Meltzer, Orr	Santa Clara
Confluent and reticulated papillomatosis: A retrospective study of patients within an integrated healthcare system	Inkeles, Megan	Shan, Judy	Santa Clara
Comparative effects of glucagon-like peptide 1 agonists and alternative medical obesity treatments on nonalcoholic fatty liver disease and nonalcoholic steato-hepatitis outcomes	Vu, Joseph	Li, Sophie	Santa Clara
Incidence and prevalence of inflammatory bowel disease by race and ethnicity in a Northern California integrated health system – trend and subgroup analyses	Velayos, Fernando	Mulanax, Catalina	San Francisco
Evaluating a standardized proton pump inhibitor hold protocol prior to esophagogastroduodenoscopy in gastroesophageal reflux disease/dysphagia at Kaiser Permanente Northern California	Ku, Lawrence	Murphy, Ryan	Oakland
Predictors in cirrhosis at time of autoimmune hepatitis diagnosis and delays in diagnosis of autoimmune hepatitis patients with baseline cirrhosis	Radhakrishnan, Kavita	Murphy, Ryan	Oakland

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Nephrology

Study Title	Principal Investigator	Lead Trainee	Medical Center
Peritoneal dialysis outcomes in patients with BMI>35	Reddy, Chitra	Alam, Mahza	San Francisco
Outcomes of arterio-venous fistula and aterio-venous graft for hemodialysis access in diabetic patients – Aims 2 & 4	Zheng, Sijie	Ukponmwan, Esosa	San Francisco
Frequency of chronic kidney disease patient referrals to nephrology clinics using kidney failure risk equation at Kaiser Permanente Northern California	Lapasia, Jessica	Contreras, Jessenia	San Francisco
Outcomes of arterio-venous fistula and aterio-venous graft for hemodialysis access in diabetic patients – Aims 1 & 3	Zheng, Sijie	Huang, Jin	San Francisco
Comparison of effect of direct oral anticoagulation and Vitamin K antagonist with no anticoagulation in dialysis dependent patients in Kaiser Permanente Northern California cohort – CODEX VKA NCAL Study	Zheng, Sijie	Shaheed, Tariq	San Francisco
Comparison of effect of direct oral anticoagulation and Vitamin K antagonist with no anticoagulation in dialysis dependent patients in Kaiser Permanente Northern California cohort – CODEX VKA NCAL Study – Thrombosis Risk	Zheng, Sijie	Shaheed, Tariq	San Francisco

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Obstetrics & Gynecology

Study Title	Principal Investigator	Lead Trainee	Medical Center
Evaluating neonatal outcomes after fetomaternal hemorrhage	Boller, Marie	Pettway, Bria	Oakland
Delivery of contraception to adolescents: How are we doing with long-acting reversible contraception	Lau, Josephine	Mickelsen, Riley	Santa Clara
Impact of screening history on cervical cancer diagnosed in women > 65 years	Littell, Ramey	Reim (Zimmermann), Katherine	San Francisco
Hepatitis B viremia in pregnancy: A retrospective cohort study	Regenstein, Anne	Ye, Clara	San Francisco
Impact of hemorrhage packs on postpartum hemorrhage	Stephenson, Megan	Partani, Ekta	Santa Clara
Massive transfusion protocol in obstetrics	Stephenson, Megan	Tsai, Rebecca	Santa Clara
Trends and factors contributing to racial disparities cesarean birth rate among low-risk, first-time industry/institutionals nulliparous, term, singleton, vertex	Torrente, Sandra	Swain, Celeste	San Francisco
Primary surgery or chemoradiation for vulvar squamous cell cancer	Tran, Arthur-Quan	Bruce, Kelly	Santa Clara
Post-operative pain management in gynecologic oncology: Patient-controlled anesthesia vs transversus abdominus plane blocks vs continuous epidural infusion	Zaritsky, Eve	Lee, Jaimie	Oakland
Impact of language on pregnancy of unknown location (PUL) management and outcomes: Covariate-adjusted associations	Danovitch, Yael	Rojasova, Sofia	Santa Clara
Time from phone call to abortion appointment within an integrated healthcare system in Northern California – LMP Subgroup	Goldsmith, Crystal	Yanez, Mia	Oakland
Active management of AUB (abnormal uterine bleeding) and prevention of uterine cancer – Hormone therapy dose–response and adherence	Kay, Allison	Ramanan, Prianca	San Francisco
Neonatal outcomes for prolonged cervical ripening requiring 2 or more balloons	Livingston, Julie	Calderon, Alexandra	Santa Clara
Examining outcomes of pregnancies with resolved vasa previa	Wu, Danny	Rachuri, Supraja	San Francisco
The impact of first trimester ultrasound on gestational age at diagnosis of fetal anomalies	Wu, Danny	Boehler-Tatman, Mattie	San Francisco
Continuity of care for gender diverse pediatric patients	Kaskowitz, Alexa	Archibald, Abigail	Santa Clara
Active management of AUB (abnormal uterine bleeding) and prevention of uterine cancer – Anovulatory AUB	Kay, Allison	Ramanan, Prianca	San Francisco
Fluorescein colposcopy – a more specific diagnostic method for detection of high grade cervical precancer lesions than acetic acid	Moein, Sudabeh	Kusisto, Vanessa	Santa Clara
Trichloroacetic acid therapy – a novel topical treatment for HPV infection and intraepithelial neoplasia of the cervix	Moein, Sudabeh	Kusisto, Vanessa	Santa Clara
Exploring the use of trastuzumab deruxtecan in HER2 1+ ovarian and endometrial cancers	Mori, Kristina	Fitzsimmons, Kasey	Santa Clara
Postpartum contraceptive use among South Asian patients within Kaiser Permanente Northern California – gestational diabetes and dietary preference	Nguyen, Anh	Vyas, Prema	Santa Clara
Outcomes following National Comprehensive Cancer Network screening guidelines for endometrial cancer – recurrent and non-recurrent cases	Tran, Arthur-Quan	Khosravian, Kiana	Santa Clara
Characterizing the pre-implementation of cardiology in women after adverse pregnancy outcomes – pattern and type of antihypertensive medication use and development of cardiovascular disease	Woo, Victoria	Ramanan, Prianca	San Francisco
Incidence rate of and risk factors associated with neonatal herpes simplex virus infection – characteristics of the infant herpes simplex virus cases	Greenhow, Tara	Batiste, Kierra	Oakland
Is in vitro fertilization a risk factor for failed induction of labor: A retrospective cohort study	Salmeen, Kirsten	Murphy, Hana	San Francisco
Impact of language on pregnancy of unknown location management and outcomes	Danovitch, Yael	Rojasova, Sofia	Santa Clara
Efficacy of MARA endometrial ablation system – Aim 3	Longinotti, Mindyn	Rojasova, Sofia	Santa Clara
Characterizing the development of cardiology in women after adverse pregnancy outcomes: Evaluation of the association between medication used to manage blood pressure and high cholesterol, and cardiovascular disease acquisition	Woo, Victoria	Ramanan, Prianca	San Francisco
General breast cancer screening and hereditary breast and ovarian genetic risk: Variations in screening and treatment in transgender and non-binary patients, an updated study	Zaritsky, Eve	Archibald, Abigail	Oakland
Anesthetic practices and outcomes in operating room procedural abortions	Fernandes, Samantha	Walsh, Allison	Santa Clara
Myomectomy rates and trends: Demographic, clinical and healthcare variations within a large integrated health care system – surgeon volume over time by surgical route	Zaritsky, Eve	White, Briana	Oakland
Risk factors for intrauterine synechiae	Joshi, Nikhil	Han, Sophia J	Santa Clara
Impact of osmotic dilators on cervical dilation and subsequent procedural outcomes	Fernandes, Samantha	Chau, Kelly	Santa Clara
Outcomes following National Comprehensive Cancer Network screening guidelines for endometrial cancer	Tran, Arthur-Quan	Khosravian, Kiana	Santa Clara
Examining outcomes of pregnancies with resolved vasa previa	Yadava, Stacy	Rachuri, Supraja	San Francisco
Bilateral salpingectomy for permanent sterilization and subsequent pregnancy rates	Goldsmith, Crystal	Gritten, Rozalyna	Oakland
Medication abortion in twin gestations	Dethier, Divya	Phan, Jessica	San Francisco
Impact of osmotic dilators on cervical dilation and subsequent procedural outcomes – by indication	Fernandes, Samantha	Bresnitz, Wyanet	Santa Clara
Impact of osmotic dilators on cervical dilation and subsequent procedural outcomes – by antibiotic status	Fernandes, Samantha	Gasacao, Sofia Jo	Santa Clara
Impact of osmotic dilators on cervical dilation and subsequent procedural outcomes – by anticoagulation status	Fernandes, Samantha	Chau, Kelly	Santa Clara
Impact of nitrous oxide on patient pain, anxiety and satisfaction level with office urogynecology procedures	Yip, Sallis	Kusisto, Vanessa	Santa Clara
Pregnancy outcomes after prenatal diagnosis of vasa previa	Lin, Carol	Gonzalez, Lynette	Santa Clara
Interpreters on labor & delivery: Hospital childbirth experiences of patients with limited English proficiency	Barres, Lauren	Edber, Simon	San Francisco
Hysteroscopy for retained or fractured IUDs: A retrospective cohort study	Dethier, Divya	TBD	San Francisco
The impact of racial residential segregation on the mental health of pregnant women	Avalos, Lyndsay	Gritten, Rozalyna	Oakland
Impact of COVID-19 on the utilization of long-acting reversible contraception	Murphy, Karrie	Claypoole, Lauren	Santa Clara
Hormonal IUD as a risk factor for uterine scarring	Woo, Victoria	Boehler-Tatman, Mattie	San Francisco
Obstetric and neonatal outcomes of prolonged cervical ripening requiring two or more balloons	Livingston, Julie	Calderon, Alexandra	Santa Clara
Severe maternal morbidity rates and risk factors among native Hawaiian/Pacific Islander ethnic groups	Gunderson, Erica	De Bourmont, Shalila	Oakland
Effects of mode of delivery on treatment of patients with preexisting bladder pain syndrome	Morrill, Michelle	Kent, Ariel	San Francisco
Active management of abnormal uterine bleeding and prevention of uterine cancer	Kay, Allison	Ramanan, Prianca	San Francisco
Time from phone call to abortion appointment within an integrated healthcare system in Northern California	Goldsmith, Crystal	Yanez, Mia	Oakland
Uterine procedures after medication abortion: Prevalence and associated risk factors	Goldsmith, Crystal	Ahlbach, Christopher	Oakland
Missed opportunities for ovarian cancer prevention with salpingectomy	Kay, Allison	Gbordzoe, Laureen	San Francisco
Venous thromboembolism risk in patients with an elevated body mass index using combined hormonal contraception	Goldsmith, Crystal	Ford, Jordanne	Oakland
Exploring the intersection of obstetrical outcomes and language concordant care	Stark, Joanna	Posadas Rivas, Mercedes	Santa Clara
The impact of first trimester ultrasound on gestational age at diagnosis of fetal anomalies	Yadava, Stacy	Boehler-Tatman, Mattie	San Francisco
Unexpected cesarean delivery among low-risk induced nulliparous pregnant people	Palacios, Janelle	Craft, Morgan	Oakland
Efficacy of MARA endometrial ablation system – Aims 1 & 2	Longinotti, Mindyn	Mickelsen, Riley	Santa Clara
Myomectomy rates and trends: Demographic, clinical and healthcare variations within a large integrated health care system – myomectomy trends over time according to fibroid count and surgical route	Zaritsky, Eve	Okai, Shammah	Oakland
Oncologic outcomes of minimally-invasive hysterectomy vs open in Stage IA1 cervical cancer	Tran, Arthur-Quan	Aryasomayajula, Chinmayi	Santa Clara
Incidence and risk factors in development of intrauterine synechiae in reproductive age women after dilation and curettage	Joshi, Nikhil	Chen, Sally	Santa Clara
Hysterectomy with concurrent bilateral oophorectomy vs. ovarian conservation in transgender men and gender diverse persons	Zaritsky, Eve	Radoc, Jeannie	Santa Clara
Does in vitro fertilization and embryo transfer increase the likelihood of live birth in women with diminished ovarian reserve when compared to lower-cost options like intrauterine insemination?	Joshi, Nikhil	Gritten, Rozalyna	Oakland
Demographic and clinical characteristics of patients undergoing surgical and medical interventions for management of endometriosis and industry/institutional related pelvic pain diagnoses within Kaiser Permanente Northern California	Zaritsky, Eve	Hen, Eden	Oakland
Salpingo-oophorectomy rates at time of benign hysterectomy for premenopausal women: Demographic variations within a large integrated health care system	Zaritsky, Eve	Guerra, Tiffany	Oakland
Before and after study on the effect of a multi-disciplinary surgical checklist to reduce maternal morbidity and mortality from placenta accreta	Stephenson, Megan	Neville, Roselyn	Santa Clara
Does centering pregnancy impact hospital utilization and postpartum contraception?	Stark, Joanna	Shi, Carol	Santa Clara
Morphine sleep therapeutic rest in prodromal labor Aim 2: Clinical efficacy	Palacios, Janelle	Hen, Eden	Oakland
Morphine sleep therapeutic rest in prodromal labor Aim 3: Patient education	Palacios, Janelle	Craft, Morgan	Oakland
Paratubal cysts and risk of polycystic ovary syndrome	Woo, Victoria	Boehler-Tatman, Mattie	San Francisco
Postpartum contraceptive use among South Asian patients within Kaiser Permanente Northern California	Zaid, Eisha	Partani, Ekta	Santa Clara
Survival in HPV and non-HPV related cervical cancer	Garcia, Christine	Williams, Grace	Oakland
Menstrual suppression and management in adolescents on anticoagulation	Zaritsky, Eve	Dillard, Victoria	Oakland
Management of cancer risks in patients with Lynch syndrome	Garcia, Christine	Lowry, Christina	San Francisco
The impact of the COVID-19 pandemic on disclosure of intimate partner violence among women of reproductive age within a large integrated healthcare system	Adler, Naomi	Banta, Kelly	Oakland
Posttreatment surveillance: Abnormal cytology and cervical cancer recurrence rates in a large integrated healthcare system in Northern California	Vay, Agnieszka	Nguyen, Nhi	Oakland
Fertility preservation in women with hereditary risk for gynecologic malignancies	Garcia, Christine	Lowry, Christina	San Francisco
The role for perinatal palliative care: A descriptive analysis and needs assessment among pregnancies impacted by fetal life-limiting conditions in Kaiser Permanente Northern California	Fracchia, Carla	Ladenheim, Maya	San Francisco
Prenatal iron deficiency anemia: Examining trends and racial Disparities within a large integrated healthcare system before and after standardized clinical interventions	Barres, Lauren	Rachuri, Supraja	San Francisco
How surgeon volume predicts rates of minimally invasive myomectomy	Zaritsky, Eve	Tierney, Cassidy	Oakland
Pregnancy and contraceptive outcomes in women that desired elective sterilization in the setting of increased access to postpartum long-acting reversible conception	Murphy, Karrie	Tsai, Rebecca	Santa Clara
The utility of bishop scores: Comparing outcomes of late term inductions	Joshi, Nikhil	Tsai, Rebecca	Santa Clara
Peripartum cardiomyopathy: Long term outcomes from a Kaiser Permanente Northern California cohort – Aim 1 and 2	Pursnani, Seema	Choo, Monica	Santa Clara
Exploring the association between treatment with PARP inhibitors for epithelial ovarian cancer and response to subsequent platinum-based chemotherapy	Bookman, Michael	Connelly, Elizabeth	San Francisco
Somatic tumor testing for patients with newly diagnosed epithelial ovarian cancer	Garcia, Christine	Ostiller, Kayla	San Francisco
Comparison of piperacillin/tazobactam (Zosyn) versus standard antibiotic regimens for the treatment of intrapartum chorioamnionitis	Niemasik, Erin	Boehler-Tatman, Mattie	San Francisco
Non-surgical management of lower urinary tract symptoms in cervical cancer survivors undergoing primary radiation therapy, 2010-2020	Garcia, Christine	Lowe, Christian	San Francisco
Difference in time to delivery between D and E vs induction of labor for medical indications during the periviable period	Goldsmith, Crystal	Navarrete, Emily	Oakland
Uptake of long-acting reversible contraceptives and incidence of abortion prior to and during the first 6-months of the COVID-19 pandemic	Sackeim, Maryl	Termulo, Kara	San Francisco
Sexual activity and contraception use in reproductive age women who have undergone liver transplantation	Balasubramanian, Sreepriya	Hen, Eden	Oakland
Healthcare utilization due to complications associated with immediate vs 6-week postpartum IUD placement	Howe, Margaret	Swisher, Talis	San Francisco
Morphine sleep therapeutic rest in prodromal labor Aim 1: Safety profile	Palacios, Janelle	Barnhart, Caroline	Oakland
Comparison of preimplantation and prenatal genetic testing	Joshi, Nikhil	Chen, Sally	Santa Clara
Association of National Comprehensive Cancer Network-recommended posttreatment surveillance with outcomes in patients with ductal carcinoma in situ	Liu, Raymond	Waites, Bethany	San Francisco
Postpartum IUD insertion after peripartum infection	Goldsmith, Crystal	Osei-bonsu, Kate	Oakland
Microscopic accreta and risk of adverse delivery outcomes in subsequent pregnancy	Greenberg, Mara	Le, Gianna	Oakland
Risks factors associated with presenting for abortion in the second trimester in a community integrated health care system	Goldsmith, Crystal	Rounds, Kacie	Oakland
Placenta accreta spectrum outcomes with termination versus continuation of pregnancy	Stephenson, Megan	Mattson, Anna	Santa Clara
Maternal and neonatal outcomes associated with inductions of labor and medically-indicated vs. elective induction of labor in a large integrated health delivery system	Greenberg, Mara	Mvemba, Audrey	Oakland
Performance of transvaginal ultrasound for the diagnosis of uterine cancer in patients with postmenopausal bleeding	Garcia, Christine	Wallis-Lang, Kendahl	San Francisco
General breast cancer screening and hereditary breast and ovarian genetic risk: Variations in screening and treatment in transgender and non-binary patients, an updated study – low risk group	Zaritsky, Eve	Archibald, Abigail	Oakland
Pregnancy in women with gynecologic precancer or cancer	Garcia, Christine	Gbordzoe, Laureen	San Francisco
Applying national standards for indicated nulliparous, term, singleton, vertex cesarean delivery	Palacios, Janelle	Craft, Morgan	Oakland
Induced nulliparous, term, singleton, vertex cesarean delivery rate over time	Palacios, Janelle	Craft, Morgan	Oakland
Pregnancy outcomes in women with cardiovascular disease: A cohort study from Kaiser Permanente Northern California	Pursnani, Seema	Vyas, Prema	Santa Clara
Improving Kaiser Permanente Northern California health care provider experience with microaggressions using the Interrupting Microaggressions Workshop and VITALS (Validate, Inquire, Take time, Assume, Leave opportunities, Speak up) tool	Sudol, Neha	Khalfay, Nuha	San Francisco

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Optometry

Study Title	Principal Investigator	Lead Trainee	Medical Center
Rate of endophthalmitis after intravitreal injection prior to and during the COVID-19 pandemic	Gohari, Ali	Campbell, Lindsay	Santa Rosa
Rate of endophthalmitis after intravitreal injection prior to and during the COVID-19 pandemic: long-term outcomes	Gohari, Ali	Campbell, Lyndsey	Santa Rosa

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Patient Safety

Study Title	Principal Investigator	Lead Trainee	Medical Center
Connecting survivors to support: community referral patterns for intimate partner violence and sexual assault at Kaiser Permanente Northern California East Bay	Adler, Naomi	Solomon, Chloe	Oakland
The impact of the COVID-19 pandemic on disclosure of intimate partner violence among adult women within a large integrated healthcare system: Late and post COVID groups	Adler, Naomi	Vega, Shayna	Oakland
Investigation of correlations between maternal and child Adverse Childhood Experience scores	Young-Wolff, Kelly	Fort, Victoria	Oakland
Surgical complications of hysterectomy in transgender men	Zaritsky, Eve	Vega, Shayna	Oakland

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Pediatric Hospital Medicine

Study Title	Principal Investigator	Lead Trainee	Medical Center
Appropriate activation of pediatric rapid response with Pediatric Early Warning Score	Cassidy, Brian	Maleknia, Lydia	Oakland
The impact of adverse childhood experiences on hospitalization outcomes in children with respiratory illness	Young-Wolff, Kelly	Rivkin, Lauren	Oakland
Care optimization during vaso-occlusive pain crisis in pediatric patients with sickle cell disease	Shah, Rina	Ali, Murtaza	Oakland
Frequency of urine testing and urinary tract infection treatment in neonates with and without significant hyperbilirubinemia	Kane, Miranda	Nayak, Krisha	Oakland
A retrospective review of children with E.Coli or Shiga 1 or 2 toxin diarrhea with subsequent development of hemolytic uremic syndrome	Greenhow, Tara	Maleknia, Lydia	Oakland

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Pediatrics

Study Title	Principal Investigator	Lead Trainee	Medical Center
Accuracy of bone age read based on Greulich and Pyle atlas in diverse pediatric population	Lee, Yvonne	Sujit, Shweta	Oakland
Improving rooming times in resident clinic	Phu, Phan	Chu, Geoffrey	Oakland
Retrospective analysis of association between timing of physical therapy intervention and length of hospital stay among mechanically ventilated patients in the pediatric intensive care unit	Rogers, Tim	Boshuizen, Vanessa	Oakland
Unveiling perspectives: Exploring Kaiser Permanente East Bay resident feedback on the utility and framework of a Peer Support Outreach Team for residents	Tolins, Molly	Roberts, Krista	Oakland
Social determinants of health and pediatric appendicitis	Shah, Rina	Kragel, Emily	Oakland
Conduct a patient safety quality improvement project within Kaiser Permanente Northern California focusing on pediatric patients diagnosed with autism, ages 4–17, between 2015 and 2025	Hayes, Elizabeth	Lee, Young	Oakland
Trends in vitamin K administration during newborn admission	Webb, Nicole	Jahanmir, Yasamin	Oakland
Patterns in pediatric urinary tract infection diagnosis, imaging practices and outcomes: Aim 1a–infant populations	Greenhow, Tara	Skladman, Rachel	Oakland
Patterns in pediatric urinary tract infection diagnosis, imaging practices and outcomes: Aim 1b–seasonal trends	Greenhow, Tara	Barnes, Robertha	Oakland
Patterns in pediatric urinary tract infection diagnosis, imaging practices and outcomes: Aim 3	Greenhow, Tara	Perry, Ross	Oakland
The role of steroids in the management of pediatric orbital cellulitis	Bornstein, Lea	Cooper, Amanda	Oakland
Moderating effects of receiving gender affirming care on adverse childhood experiences in gender diverse adolescents	Parmar, Deepika	Jain, Chandni	Oakland
Comparison of automatic and discretionary pediatric intensive care specialist consultation for pediatric rapid response	Shah, Rina	Bowers, Keegan	Oakland
Rapid blood culture identification clinical impact evaluation	Cooch, Peter	Cooper, Amanda	Oakland
Use of oral antibiotics in neonates with bacteremic urinary tract infections	Greenhow, Tara	Caro, Diana	Oakland
Assessing disparities in emergency department triage among pediatric patients	Sax, Dana	Nguyen, Pearl	Oakland
Social determinants of health and pediatric appendicitis	Yamout, Sani	Kragel, Emily	Oakland
Incidence of infantile/pediatric glaucoma in patients with port wine stain/Sturge Weber syndrome	Verkuil, Lana	Morgan, Kelly	Oakland
Pediatric patients with neutropenic fever: A comparison of treatment and clinical outcomes according to body temperature thresholds for hospital admission	Hu, Caroline	Bhattacharjee, Saptati Priya	Oakland
The SIP study: Simultaneously Implementing Pathways for Improving Asthma, Pneumonia and Bronchiolitis Care for Hospitalized Children	Kane, Miranda	Cooper, Amanda	Oakland
Genetic testing in the neonatal intensive care unit	Mendelsohn, Bryce	Morgan, Kelly	Oakland
Respiratory and neurologic complications of pediatric patients with acute flaccid myelitis	Kane, Miranda	Kragel, Emily	Oakland
Incidence rate of and risk factors associated with neonatal herpes simplex virus infection: Maternal HSV antiviral use for prophylactic versus treatment purposes	Greenhow, Tara	Khera, Jaibir	Oakland
Rapid blood culture identification clinical impact evaluation – safety outcomes	Cooch, Peter	Cooper, Amanda	Oakland
Rapid blood culture identification clinical impact evaluation – utilization outcomes	Cooch, Peter	Cooper, Amanda	Oakland
A case series of scurvy in pediatric patients with autism	Fuentebella, Judy	Laurence-Diaz, Wendy	Oakland
The Simultaneously Implementing Pathways for Improving Asthma, Pneumonia, and Bronchiolitis Care for Hospitalized Children study: Differences in length of stay among hospitalized asthma pediatric patients	Kane, Miranda	Cooper, Amanda	Oakland

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Podiatric Surgery

Study Title	Principal Investigator	Lead Trainee	Medical Center
Assessing tibial tray coverage of distal anterior tibial’s impact upon 10 year survival rate of the total ankle arthroplasty (TAA) implant	Kim, Jae Yoon	Cao, Autumn	Vallejo
Assessing tibial tray coverage of distal anterior tibial’s impact 3-10 year survival rate of the total ankle arthroplasty (TAA) implant	Kim, Jae Yoon	Cao, Autumn	Vallejo
Evaluation of current practices in pain management in foot and ankle surgery	King, Christy	Ishibashi, Megan	Oakland
The effect of ankle angular deformity on total ankle arthroplasty failure rate	Ko, Caroline	Svidler, Frances	Vallejo
Incidence of midfoot arthritis and maintenance of correction following open reduction internal fixation of Lisfranc’s injuries comparing trans-articular screw versus K-wire fixation	Pollard, Jason	Medina, Aaron	Oakland
What proportion of patients require revision surgery following Lapidus?	Pollard, Jason	Kane, Lewis	Oakland
Tarsal coalitions: Outcomes following surgical resection	Williams, Mitzi	Sanker, Jeffrey	Oakland
The effect of cortisone injections on COVID-19 risk, morbidity, and mortality in lower extremity musculoskeletal conditions	Yin, Amy	Limcaoco, Patricia	Santa Clara
Comparison of outcomes of traditional ORIF vs intramedullary nail fixation of unstable distal fibula fractures in the geriatric patient population: A matched cohort comparison of __ cases	Pollard, Jason	Jones, Miriam	Oakland
Impact of peri-operative glucagon-like peptide-1 receptor agonist on bone healing in foot and ankle surgery	Williams, Samantha	Ismail, Abdulla	Santa Clara
People who underwent tarsal tunnel release surgery within Kaiser Permanente Northern California between January 2010 and December 2022 with a minimum of 1 year of follow-up (Feasibility Only)	King, Christy	Chung, Denny	Oakland
Outcomes of early weightbearing versus non-weightbearing treatment in acute, nonoperative Jones fractures in adults: A multicenter study	Williams, Gray	Bodempudi, Vishnupriya	Vallejo
Outcomes of talar microfracture surgery and predictors of failure	Carter, Ryan	Huynh, Sophia	Santa Clara
A retrospective study on synovial fluid analysis of the native foot and ankle joint – Aim 3	Lickiss, Jessica	Xu, Lucy	Santa Clara
Bedside diabetic foot ulcer tissue biopsy: Treatment and biopsy technique factors	Neagu, Cristian	Tran, Tiffany	Santa Clara
Ultrasound imaging of Achilles tendon ruptures treated non-surgically to determine the impact of tendon gap size on patient outcomes	Hayano, Todd	Herman, Camray	Santa Clara
Mortality of geriatric patients with surgically managed ankle fractures: A retrospective study	Pollard, Jason	Abjelina, Koby	San Francisco
Loss of correction in lisfranc injury: A comparative analysis of postoperative hardware removal timing—within 4 months vs after 4 months open reduction internal fixation	Pollard, Jason	Sehgal, Ashita	Oakland
Outcomes following operative versus non-operative treatment of acute Jones fractures	Bowlby, Melinda	Hooshivar, Lili	Santa Clara
A comparison of hospital-based complications following partial ray amputation vs initial transmetatarsal amputations in diabetics	Williams, Gray	Loitz, Jake	Vallejo
Ultrasound-guided percutaneous needling with prolIndustry/institutionalapy for treatment of chronic Achilles tendinopathy	Bailowitz, Zachary	Mariano, Chanelle	Santa Clara
Radiographic analysis of Evans-assisted subtalar joint fusion with talonavicular joint preservation: A case series	Pollard, Jason	Brennan, Noah	Oakland
Revision surgery following lapidus bunionectomy	King, Christy	Caldera, Airam	Oakland
Bedside diabetic foot ulcer tissue biopsy	Neagu, Cristian	Tran, Tiffany	Santa Clara
The effect of deltoid release in varus ankle deformity on total ankle arthroplasty	Choung, Dan	Svidler, Frances	Vallejo
The effect of changes in tibial sesamoid position on patient outcome scores after distal chevron osteotomies for bunion correction	Schneider, Matthew	Tran, Tiffany	Santa Clara
Pediatric osteomyelitis of the foot and ankle	King, Christy	Nijjar, Sukhranjan	Oakland
Quantifying the amount of blood flow needed to heal a transmetatarsal amputation	Patel, Sumer	Herman, Camray	Santa Clara
Long term survivorship and follow up of revision total ankle replacement	Schuberth, John	Jones, Miriam	Oakland
Impacts of vitamin K antagonist Warfarin on ankle fracture healing	Bowlby, Melinda	Hoque, Tamanna	Santa Clara
Ankle open reduction with internal fixation infection rates and associated risk factors	Bowlby, Melinda	Zhang, Huaitao	Santa Clara
Early weight bearing in the Vantage total ankle: An analysis of the tibial tray interface	Pollard, Jason	Kennedy, Matthew	Oakland
Treatment options for neglected Achilles tendon ruptures	King, Christy	Marinos, Paul	Oakland
Does weight bearing status play a role in the incidence of a symptomatic deep vein thrombosis in patients treated surgically and conservatively for an acute Achilles tendon rupture?	Babu, Nina	Kim, Jae Yoon	Vallejo
A retrospective study on synovial fluid analysis of the native foot and ankle joint – Aims 1 & 2	Lickiss, Jessica	Ivanova, Varsha	Santa Clara
Has the implementation of a podiatric surgery wound care clinic further reduced the rate of emergency department visits and higher-level complications related to adult diabetic foot ulcerations?	Balani, Ekta	To, Andrew	Santa Clara
Evaluating the efficacy of regional liposomal bupivacaine blocks versus popliteal blocks using plain bupivacaine in perioperative pain management in foot and ankle surgery	Sellenriek, Steven	Sibal, Jessica	Vallejo
Correlation between isolated fibular fracture displacement and deep deltoid injury: A comparative analysis of arthroscopic and radiographic assessments	Collman, David	Ramirez, Fernando	Oakland
Does plate vs. screw fixation affect non-union rate in 2nd and 3rd tarsometatarsal joint fusions among patients in an integrated health system? A retrospective study	Kernbach, Klaus	Hang, Sambo	Vallejo

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Psychiatry

Study Title	Principal Investigator	Lead Trainee	Medical Center
Identifying the clinical characteristics of patients with posttraumatic stress disorder within Kaiser Permanente Northern California	Altman, Alexander	Abeldt, Brittany	Oakland
Evaluation of the efficacy of ketamine treatment for treatment resistant depression in a managed health care population	Rajan, Rajani	Carroll, Mariah	San Jose
Characterizing patterns of benzodiazepine prescribing and deprescribing among older adults at KPNC	Hirschtritt, Matthew	Annam, Jay	Oakland
Antidepressant and anxiolytic prescribing patterns among US youth	Hirschtritt, Matthew	Avila, Samantha	Oakland
Lithium-associated nephrotoxicity, reversibility and the utility of a lithium rechallenge	Hirschtritt, Matthew	Kalladanthyil, Abyson	Oakland
Associations among consumption of self-reported dietary quality and anxiety severity in early pregnancy	Ferrara, Assiamira	Sedaghati, Shawyon	Oakland
Impact of adverse childhood experiences on suicidality and healthcare utilization	Erickson-Ridout, Kathryn	Kanja, Kassidy	San Jose
Associations among consumption of self-reported dietary quality and depression severity in early pregnancy	Ferrara, Assiamira	Abeldt, Brittany	Oakland
Characterizing patterns of benzodiazepine prescribing and deprescribing among older adults at KPNC: prescriber-level factors	Hirschtritt, Matthew	Annam, Jay	Oakland
Characterizing patterns of benzodiazepine prescribing and deprescribing among older adults at KPNC: setting-level factors	Hirschtritt, Matthew	Annam, Jay	Oakland
Examining the clinical location and sociodemographic characteristics associated with a first diagnosis of a psychotic disorder	Stavers-Sosa, Icelini	Haigler, Christyn	Oakland
Characterizing alcohol use among transgender adults using the STRONG and AVS cohorts – Aim 1.3	Hirschtritt, Matthew	He, Shannon	Oakland
Characterizing alcohol use among transgender adults using the STRONG and AVS cohorts – Aims 1.1 and 1.2	Hirschtritt, Matthew	Darby-McClure, Riley	Oakland
Characterizing alcohol use among transgender adults using the STRONG and AVS cohorts – Aim 1.4	Hirschtritt, Matthew	Shu, Alan	Oakland
Behavioral health education class use among elderly patients	Maygren, Drew	Sosa, Eliana	Oakland
Valproic acid usage for management of delirium in non-intensive care unit medicine patients	Shim, Jewel	Chen, Ingrid	Oakland
Changes in clozapine prescribing patterns, laboratory monitoring, and medication adherence associated with elimination of the clozapine Risk Evaluation and Mitigation Strategies program	Hirschtritt, Matthew	Allee-Munoz, Alec	Oakland
Response and remission rates of patients with bipolar depression treated with repetitive transcranial magnetic stimulation at community-based outpatient clinics in Northern California	Bongale, Rajshree	Constant, Allison	San Jose
Geospatial and temporal associations between Google search queries for depression and outpatient utilization for depression at Kaiser Permanente – Aims 1a.i and 2a.i	Hsin, Honor	Houk-Syau, Sharon	San Jose
Geospatial and temporal associations between Google search queries for depression and outpatient utilization for depression at Kaiser Permanente – Aims 1a.ii and 2a.ii	Hsin, Honor	Constant, Allison	San Jose
Psychiatric comorbidity, behavioral health service use and psychotropic medication use among various demographic groups with Parkinson’s disease	Hirschtritt, Matthew	Shvartsur, Anna	Oakland
Impact of language barriers on psychiatry inpatient treatment	Yang, Zhongshu	Lih-chiao, Hsu	San Jose

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Pulmonary & Critical Care Medicine

Study Title	Principal Investigator	Lead Trainee	Medical Center
Optimal timing of inotrope initiation in initially hemodynamically stable patients with Society of Cardiovascular Angiography and Intervention stage B cardiogenic shock being admitted to the hospital from the emergency department: A retrospective cohort study – mortality outcome	Villar, Julian	Maehara, Curtis	Oakland
Optimal timing of inotrope initiation in initially hemodynamically stable patients with Society of Cardiovascular Angiography and Intervention stage B cardiogenic shock being admitted to the hospital from the emergency department: A retrospective cohort study – lactate thresholds	Villar, Julian	Hannon, Connor	Oakland

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Spine Surgery

Study Title	Principal Investigator	Lead Trainee	Medical Center
Opioid utilization after lumbar endoscopic spine surgery: A data-only cohort study within Kaiser Permanente Northern California	Tabaraee, Ehsan	Best, Shawn	Oakland

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Urogynecology

Study Title	Principal Investigator	Lead Trainee	Medical Center
Retropubic versus transobturator midurethral sling in women undergoing concomitant colpoclesis	Patel, Minita	Wong, Jennifer	Oakland
Adverse childhood experiences and urogenital pain disorders study	Deraleau, Erika	Saad, Jaber	Oakland
The implication of neighborhood deprivation index on referral patterns and management of female pelvic organ prolapse in a health maintenance organization model	Deraleau, Erika	Toro, Marcela	Oakland
Urinary tract infections in transgender men and nonbinary people	Ramm, Olga	Wong, Jennifer	Oakland
Efficacy of home transcutaneous tibial nerve stimulation for overactive bladder	Patel, Minita	Wong, Jennifer	Oakland
Dementia in women with overactive bladder treated with anti-muscarinics	Margulies, Rebecca	Saad, Jaber	Oakland
Long term use of intradetrusor botox for treatment of overactive bladder	Patel, Minita	Wong, Jennifer	Oakland
Pelvic floor symptoms, sexual function, and psychological well-being in women during the immediate postpartum period	Deraleau, Erika	Saad, Jaber	Oakland
Lower urinary tract injury and the role of cystoscopy at the time of hysterectomy for gynecologic cancer	Ramm, Olga	Painter, Caitlyn	Oakland
Association between connective tissue disease diagnosis and the prevalence and surgical management of pelvic organ prolapse in a healthcare maintenance organization (Feasibility Only)	Alagh, Amy	Cheng, Wenjin	Oakland

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Vascular Surgery

Study Title	Principal Investigator	Lead Trainee	Medical Center
Contralateral carotid artery surveillance following carotid endarterectomy: Long-term results from a large integrated regional health system	Chang, Robert	Flanagan, Colleen	Oakland
Association between connective tissue disease diagnosis and the prevalence and surgical outcomes of pelvic organ prolapse in a healthcare maintenance organization	Alagh, Amy	Cheng, Wenjin	Oakland
Urinary tract infections, antibiotic exposure, and early-onset colorectal cancer: A multisite case-control analysis	Alagh, Amy	Cheng, Wenjin	Oakland
Re-evaluating current post-carotid endarterectomy surveillance: Long-term results from a large integrated regional health system	Chang, Robert	Flanagan, Colleen	San Francisco
The natural history and stroke risk of carotid artery occlusion	Chang, Robert	Mangipudi, Sowmya	San Francisco

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