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Studies

To explore Kaiser Permanente Northern California studies search keywords, find by program, find by specialty or find by study status.

Emergency Medicine

Improving emergency department triage with user-designed point of care decision support

Dana Sax, Mary Reed | Delivery Science Grants Program | 2026 Ongoing

Provider-level variation in head computed tomography use in emergency department patients with headache and misdiagnosis of critical neurologic disease.

Dustin Mark | Community Health | 2026 Ongoing

Emergency Department Management of Alcohol Withdrawal: phenobarbital vs benzodiazepines and risk of 72-hour return to the ED

Mamata Kene | Community Health | 2026 Ongoing

Improving surgical shared decision making on repeat transurethral resection of bladder tumor for non-invasive and non-muscle invasive bladder cancer

William Tu, Marilyn Kwan, Rika Alavi | Rapid Analytics Unit | 2025 Ongoing

Incorporating emergency medical services (EMS) data into emergency department (ED) risk stratification tools; a triage-based proof of concept study

Dustin Ballard, Mary Reed | Physician Researcher Program | 2025 Ongoing

Reducing Critical Errors in Radiology Reports Using On-Premises Large Language Models

Jason Balkman, Vincent Liu | Physician Researcher Program | 2025 Ongoing

Outpatient Management of Pregnancy-associated Pulmonary Embolism

David Vinson | Community Health | 2025 Completed

Evaluating diuresis strategies for emergency department patients with acute heart failure

Dana Sax | Community Health | 2025 Completed

​​​Utilizing Start-of Shift Markers of ICU Patient Acuity to Predict Call Volume to a TeleCritical Care (TCC) Program ​​

Michael Guarnieri | Community Health | 2025 Completed

Safety of Atrial Fibrillation Antiarrhythmic Regimen using Intravenous Calcium and Beta blockers

Edward Durant | Community Health | 2025 Completed

Clinical guideline-discordant emergency department bronchiolitis management: incidence, predictors, and impact

Scott Casey | Community Health | 2025 Completed

Laying the foundation for building a resilient KPNC community in the face of worsening air quality due to wildfire smoke

Laura Myers, Mary Meyer | Delivery Science Grants Program | 2025 Ongoing

Improving safe transitions of care from the emergency department and hospital to outpatient setting through safe and effective medical management for patients with acute heart failure

Dana Sax | Physician Researcher Program | 2024 Ongoing

Variance in management and outcomes among patients with severe hyponatremia

Dustin Mark, Mary Reed, Rika Alavi | Rapid Analytics Unit | 2024 | View Summary Completed

Safety of SGLT2 antagonist use in the periop / periprocedural period for non-emergent interventions.

Bradley Cohn, Julie Schmittdiel, Michael Hartmann | Rapid Analytics Unit | 2024 | View Summary Completed

Impact of fundoscopic cameras on emergency department evaluation and management of patients with vision loss

Dana Sax, Mary Reed, Rika Alavi | Rapid Analytics Unit | 2024 | View Summary Completed

Pediatric respiratory illnesses in the post-COVID era: illness epidemiology, emergency department care and outcomes

Mamata Kene | Community Health | 2024 Completed

Safety and Operational Impacts of Emergency Department Mis-Triage

Dana Sax | Community Health | 2024 Completed

Comparative effectiveness of outcomes associated with video assisted thoracic surgery (VATS) versus robot assisted thoracic surgery (RATS) for lobectomy in KPNC

Jeffery Velotta, Vinnie Liu | Targeted Analysis Program | 2023 Completed

Antenatal pulmonary embolism diagnostics (APED) in the COVID-19 era

David Vinson | Community Health | 2023 Completed

[2022 Continued Funding] Objective cardiac testing following emergency department evaluations for chest pain: associations between referral for non-invasive cardiac testing and 2-year adverse outcomes.

Dustin Mark | Community Health | 2023 Completed

Non-endoscopic management of acute esophageal food impaction (EFI) in the emergency department

Linda Lee | Community Health | 2023 Completed

Trends in the use of computed tomographic cerebral angiography for emergency department patients with headache

Dustin Mark, Mary Reed, Brandon Horton | Rapid Analytics Unit | 2022 | View Summary Completed

Improving management of emergency department patients with undifferentiated syncope; prospective validation of the Canadian Syncope Risk Score

David Vinson, Mary Reed | Physician Researcher Program | 2021 Completed

Reducing Variation in Hospitalization and Processes of Care in Emergency Department Patients with Atrial Fibrillation: A Stepped Wedge Cluster Randomized Trial

David Vinson, Mary Reed | Delivery Science Grants Program | 2021 Completed

Improving Risk Stratification of Emergency Department Patients with Acute Heart Failure: Building and Testing a Machine-learning Platform for Personalized, Accurate, Real-time Risk Prediction

Dana Sax, Mary Reed | Physician Researcher Program | 2020 Ongoing

Characteristics of ED Patients Who Test Positive for SARS-CoV-2 in a Community Health Setting

Dale Cotton, Mary Reed, Liyan Liu | Rapid Analytics Unit | 2020 | View Summary Completed

Impact of Opioid Safety Initiative Education on Emergency Department Opioid Prescribing

Mamata Kene, Mary Reed, Abigial Eaton | Rapid Analytics Unit | 2019 | View Summary Completed

Real-time decision support algorithms for pulmonary embolism in the ED

CREST Network, Mary Reed | Delivery Science Grants Program | 2018 | View Summary Completed

Improving stroke prevention for high-risk AFib by discharge redesign using electronic clinical decision support

David Vinson, Mary Reed | Physician Researcher Program | 2017 | View Summary Completed

Improving risk stratification of E.D. patients with acute heart failure: external validation of the STRATIFY tool

Dana Sax, Mary Reed | Delivery Science Grants Program | 2016 | View Summary Completed

KP-specific cardiac history and risk summaries: standardizing Emergency Work-ups Around Risk Data (STEWARD) Chest Pain Project – Phase 3

Dustin Mark, Mary Reed | Delivery Science Grants Program | 2015 | View Summary Completed

Patterns and Impact of Chemical Restraint Use for Patients in the Emergency Department Presenting with Acute Psychiatric Distress

Suzanne Lippert | Community Health | 2013 Completed

Assessing frequency and predictors of under- and over-triage of pediatric emergency department patients

Dana Sax | Community Health | 2013 Completed

Assessing the frequency and predictors of mis-triage among pediatric patients in the emergency department

Dana Sax | Community Health | 2013 Completed

Patterns and Impact of Restraint Use for Patients in the Emergency Department Presenting with Acute Psychiatric Distress

Suzanne Lippert | Community Health | 2013 Completed

Risk stratification of emergency department patients with lower gastrointestinal bleeding: identifying patients who may be safe for outpatient management

Sean Bouvet | Community Health | 2013 Completed

In-hospital mortality among patients with non-traumatic intracranial hemorrhage: In a hub-and-spoke model of neuroscience care, are outcomes non-inferior following presentation to a spoke versus a hub medical center?

Dustin Mark | Community Health | 2013 Completed

Imaging in suspected renal colic: retrospective validation of clinical decision rules to predict uncomplicated ureteral stone

Edward Durant | Community Health | 2013 Completed

Utility of Fluid Resuscitation in Low-Risk Patients with Severe Sepsis

Todd Seigel | Community Health | 2013 Completed

Cannabinoid Hyperemesis Syndrome in the ED: Characteristics and Determinants of Length of Stay

Dale Cotton | Community Health | 2013 Completed

Utilization of Computed Tomography Pulmonary Angiograms at KPNC: Predictors of Higher Yield and Comparison to National Rates

Mamata Kene | Community Health | 2013 Completed

Sustainability of Electronic Clinical Decision Support System Effects: an Evaluation of Two Use Cases

Dustin Ballard | Community Health | 2013 Completed

Derivation and Testing of a Search Tool that Combines ICD Codes and Unstructured Clinical Data to Improve Accurate Case Identification of Emergency Department Patients with Acute Heart Failure

Dana Sax | Community Health | 2013 Completed

The Management of Stable Monomorphic Ventricular Tachycardia in the Community Emergency Department Setting

Ian McLachlan | Community Health | 2013 Completed

Evaluating the Incidence of Contrast Associated Acute Kidney Injury in Emergency Department Patients

Mamata Kene | Community Health | 2013 Completed

Acute Emergency Care and Outcomes for Stroke, Myocardial Infarction, and Surgery During the COVID-19 Pandemic in Kaiser Permanente Northern California: Implications for Care Delivery During COVID-19 Recovery Phase and Future Surges

Mai Nguyen-Huynh, Matthew Solomon, David Vinson, Robert Chang | Other | 2013 Ongoing

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