Ethan Abbott
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Methodology for creating a novel cardiac arrest registry using the Trinetx electronic health record database Open
Using Trinetx real-world data, it is possible to create a multicentre, OHCA post-arrest care database with a substantial number of clinical variables, enabling novel post-arrest care research.
Out-of-Hospital Cardiac Arrest in US Airports Open
Importance Airports are uniquely situated to facilitate several aspects of the out-of-hospital cardiac arrest (OHCA) chain of survival, including a high likelihood of cardiac arrest events being witnessed and the ready availability of auto…
Are unmet health related social needs associated with emergency department utilization among Medicare beneficiaries? Open
Background Health-related social needs (HRSN) are increasingly recognized as important factors influencing healthcare outcomes and utilization. This study examined the association between unmet HRSNs and emergency department (ED) utilizati…
Association of Racial Residential Segregation and Survival After Out‐of‐Hospital Cardiac Arrest in the United States Open
Background Social determinants of health such as residential segregation have been identified as drivers of disparities in health outcomes; however, this has been understudied for out‐of‐hospital cardiac arrest (OHCA). We sought to examine…
View article: A strategy for cost-effective large language model use at health system-scale
A strategy for cost-effective large language model use at health system-scale Open
Large language models (LLMs) can optimize clinical workflows; however, the economic and computational challenges of their utilization at the health system scale are underexplored. We evaluated how concatenating queries with multiple clinic…
View article: Leveraging Artificial Intelligence and Data Science for Integration of Social Determinants of Health in Emergency Medicine: Scoping Review
Leveraging Artificial Intelligence and Data Science for Integration of Social Determinants of Health in Emergency Medicine: Scoping Review Open
Background Social determinants of health (SDOH) are critical drivers of health disparities and patient outcomes. However, accessing and collecting patient-level SDOH data can be operationally challenging in the emergency department (ED) cl…
View article: Assessing Retrieval-Augmented Large Language Model Performance in Emergency Department ICD-10-CM Coding Compared to Human Coders
Assessing Retrieval-Augmented Large Language Model Performance in Emergency Department ICD-10-CM Coding Compared to Human Coders Open
Background Accurate medical coding is essential for clinical and administrative purposes but complicated, time-consuming, and biased. This study compares Retrieval-Augmented Generation (RAG)-enhanced LLMs to provider-assigned codes in prod…
The Association of Racial Residential Segregation and Survival After Out-of-Hospital Cardiac Arrest in the United States Open
Background Residential segregation has been identified as drivers of disparities in health outcomes, but further work is needed to understand this association with clinical outcomes for out-of-hospital cardiac arrest (OHCA). We utilized Ca…
Joint Modeling of Social Determinants and Clinical Factors to Define Subphenotypes in Out-of-Hospital Cardiac Arrest Survival: Cluster Analysis Open
Background Machine learning clustering offers an unbiased approach to better understand the interactions of complex social and clinical variables via integrative subphenotypes, an approach not studied in out-of-hospital cardiac arrest (OHC…
View article: Leveraging Artificial Intelligence and Data Science for Integration of Social Determinants of Health in Emergency Medicine: A Scoping Review
Leveraging Artificial Intelligence and Data Science for Integration of Social Determinants of Health in Emergency Medicine: A Scoping Review Open
Objective Social Determinants of Health (SDOH) are critical drivers of health disparities and patient outcomes. However, accessing and collecting patient level SDOH data can be operationally challenging in the emergency department clinical…
Association of Racial Residential Segregation With Long‐Term Outcomes and Readmissions After Out‐of‐Hospital Cardiac Arrest Among Medicare Beneficiaries Open
Background The national impact of racial residential segregation on out‐of‐hospital cardiac arrest outcomes after initial resuscitation remains poorly understood. We sought to characterize the association between measures of racial and eco…
Joint modeling of social determinants and clinical factors defines subphenotypes in out-of-hospital cardiac arrest survival (Preprint) Open
UNSTRUCTURED Machine learning clustering offers an unbiased approach to better understand the interactions of complex social and clinical variables via integrative subphenotypes, an approach not studied in out-of-hospital cardiac arrest (O…
The Association of Racial Residential Segregation and Long-Term Outcomes after Out-Of-Hospital Cardiac Arrest Among Medicare Beneficiaries Open
Background Racial residential segregation in the US is associated with poor health outcomes across multiple chronic conditions including cardiovascular disease. However, the national impact of racial residential segregation on out-of-hospi…
Predictors of outpatient follow-up care after adult emergency department asthma visits and association with 30-day outcomes Open
Objective: Guidelines recommend outpatient follow-up after emergency department visits for asthma, but factors related to rates of follow-up among the adult population are understudied. We sought to describe patient and community-level pre…