Academic Emergency Medicine

INTRODUCTION: Geriatric emergency department (ED) guidelines emphasize timely identification of delirium. This article updates previous diagnostic accuracy systematic reviews of history, physical examination, laboratory testing, and ED screening instruments for the diagnosis of delirium as well as test-treatment thresholds for ED delirium screening. METHODS: We conducted a systematic review to quantify the diagnostic accuracy of approaches to identify delirium. Studies were included if they described adults aged 60 or older evaluated in the ED setting with an index test for delirium compared with an acceptable criterion standard for delirium...

OBJECTIVES: Natural language processing (NLP) represents one of the adjunct technologies within artificial intelligence and machine learning, creating structure out of unstructured data. This study aims to assess the performance of employing NLP to identify and categorize unstructured data within the emergency medicine (EM) setting. METHODS: We systematically searched publications related to EM research and NLP across databases including MEDLINE, Embase, Scopus, CENTRAL, and ProQuest Dissertations & Theses Global...

BACKGROUND: It is unknown how changes in the percutaneous coronary intervention (PCI) "built environment" have impacted PCI volumes at the community, hospital, and patient levels. This study sought to determine how PCI hospital openings and closures effect community- and hospital-level PCI volumes as well as the likelihood of receiving PCI at a low-volume hospital. METHODS: We conducted a retrospective cohort study of 3,966,025 Medicare Fee-For-Service patients in 37,451 zip codes and 2564 U...

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BACKGROUND AND OBJECTIVE: Serum procalcitonin (PCT) is a highly accurate biomarker for stratifying the risk of invasive bacterial infections (IBIs) in febrile infants ≤60 days old. However, PCT is unavailable in some settings. We explored the association of leukopenia and neutropenia with IBIs in non-critically ill febrile infants ≤60 days old, with and without PCT. METHODS: We conducted a secondary analysis of a prospective observational cohort consisting of 7407 non-critically ill infants ≤60 days old with temperatures ≥38°C...

BACKGROUND: The U.S. Centers for Disease Control and Prevention (CDC) defines legal intervention injuries as injuries caused by law enforcement agents in the course of official duties. Public health databases utilize International Classification of Diseases, 10th Revision (ICD-10), coding to collect these data through the "Y35" family ICD-10 code. Prior studies report deficiencies in public health recording of fatal legal intervention injuries. Few studies have characterized nonfatal injuries...

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OBJECTIVE: Physicians vary in their computed tomography (CT) scan usage. It remains unclear how physician gender relates to clinical practice or patient outcomes. The aim of this study was to assess the association between physician gender and decision to order head CT scans for older emergency patients who had fallen. METHODS: This was a secondary analysis of a prospective observational cohort study conducted in 11 hospital emergency departments (EDs) in Canada and the United States...

OBJECTIVE: To describe the frequency and observed trends for all Indian Health Service (IHS) and tribal emergency department (ED) transfers to a pediatric referral center from January 1, 2017, to December 31, 2020, with a secondary analysis to describe trends in final dispositions, lengths of stay (LOS), and the most common primary ICD-10 diagnoses. METHODS: We performed a retrospective chart review of IHS and tribal ED transfers to a pediatric referral center from 2017 to 2020 (n = 2433)...

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OBJECTIVES: Sepsis is one of the most common, costly, and misdiagnosed conditions in U.S. emergency departments (EDs). ED providers often treat on nonspecific signs, subjective suspicion, or presumption of infection, resulting in over- and undertreatment. An increased understanding of host response has opened a new direction for sepsis diagnostics. The IntelliSep test is a U.S. Food and Drug Administration-cleared cellular host response diagnostic that could help distinguish sepsis in ED settings...

BACKGROUND: Large-vessel occlusion (LVO) stroke represents one-third of acute ischemic stroke (AIS) in the United States but causes two-thirds of poststroke dependence and >90% of poststroke mortality. Prehospital LVO stroke detection permits efficient emergency medical systems (EMS) transport to an endovascular thrombectomy (EVT)-capable center. Our primary objective was to determine the feasibility of using a cranial accelerometry (CA) headset device for prehospital LVO stroke detection...

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