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COMPARATIVE STUDY
JOURNAL ARTICLE
A comparison trial for stratifying intermediate-risk chest pain: benefits of emergency department observation centers.
Chest pain of uncertain etiology (intermediate-risk chest pain [IR-CP]) constitutes a majority of acute chest pain presentations to emergency departments (EDs). A before- and-after trial of 2197 IR-CP patients transferred from the hospital's ED to one of three units-ED-based observation center (ED-OC), inpatient observation center (IN-OC), and inpatient units-compared mean cost, length of stay, and safety over a 2-year period. The mean per patient cost for management of IR-CP was lower in the ED-OC ($1642) than the IN-OC ($1910) or the inpatient units ($2785). The mean length of stay was shorter in the ED-OC (0.75 days) than in the IN-OC (1.18 days) or the inpatient units (2.16 days). Return rates were lower in the ED-OC at 7 days (0%) and at 6 months (0.45%) than the IN-OC (0% and 1.22%) or the inpatient units (0.77% and 3.67%). Overall hospital costs for managing IR-CP dropped significantly (12.5%) after the ED-OC was opened. ED-OCs provide a safe and cost-effective alternative to admission of IR-CP patients.
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