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MP13: Characteristics and outcomes of older emergency department patients assigned a low acuity triage score

Published online by Cambridge University Press:  15 May 2017

A. Hendin*
Affiliation:
University of Ottawa, Ottawa, ON
D. Eagles
Affiliation:
University of Ottawa, Ottawa, ON
V.R. Myers
Affiliation:
University of Ottawa, Ottawa, ON
I.G. Stiell
Affiliation:
University of Ottawa, Ottawa, ON
*
*Corresponding authors

Abstract

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Introduction: Older patients are a high-risk population in the Emergency Department (ED) for poor outcomes after ED visit, including return presentation and hospital admission. Little is known however about outcomes in older patients identified as “low acuity” by triage. We aim to describe the characteristics, ED workup, disposition, and 14-day outcomes of ED patients 65 years and up who are triaged as low acuity and compare them to a younger cohort. Methods: This health records review was done in a Canadian tertiary care ED. Included patients received a Canadian Triage Acuity score (CTAS) of 4 or 5 and were either 65 years and up (“older” group), or 40-55 years (controls). Data collected included patient demographics, tests and services involved in ED, and disposition. Return ED visit and hospital admission rates at 14 days were tracked. Data were analyzed descriptively and chi-square testing conducted to assess for differences (p < 0.05) between groups. A pre-planned stratified analysis of patients 65-74 years, 75-84, and 85 and older was conducted. Results: 350 patients (mean age 76.5, 56.6% female) were included in the older group and 150 in the control group (mean age 47.3, 55.3% female). Most patients presented with musculoskeletal or skin complaints (older cohort: 28.6% extremity pain/injury, 10% rash, 8.9% laceration, versus control 30% extremity pain/injury, 14.7% rash, 14.0% laceration) and were triaged to the ambulatory care area (88.6% elderly, 99.3% control). Older patients were significantly more likely than younger controls to be admitted on index visit (5.0% vs 0.3% admit rate, p=0.016). They had a trend towards increased re-presentation rates within 14 days (13.7% vs 8.7% control, p=0.11) and were more likely to be admitted on re-presentation (4.0% vs 0.7%, p=0.045). In sub-group analysis, very elderly patients (85 years and up, n=79) were more likely to be admitted (8.9%, p=0.003). Conclusion: Patients 65 years of age and older who present to the ED with issues labelled as “less acute” at triage are 16 times more likely to be admitted than younger controls. Patients 85 years and up are the primary drivers of this higher admit rate. This study characterizes “low acuity” elders presenting to ED and indicates these patients are high risk for re-presentation and admission within 14 days.

Type
Moderated Poster Presentations
Copyright
Copyright © Canadian Association of Emergency Physicians 2017