Discharge Timing and Outcomes After Uncomplicated Non-ST-segment Elevation Acute Myocardial Infarction

Overview

Journal Am Heart J

Specialty Cardiology & Vascular Diseases

Date 2018 Jun 19

PMID 29910048

Citations 1

Authors

Jennifer A Rymer

Michael W Tempelhof

Robert M Clare

Karen S Pieper

Christopher B Granger

Frans Van de Werf

David J Moliterno

Robert A Harrington

Harvey D White

Paul W Armstrong

Renato D Lopes

Kenneth W Mahaffey

L Kristin Newby

Affiliations

Soon will be listed here.

Abstract

Background: Length of stay after non-ST-segment elevation myocardial infarction (NSTEMI) continues to decrease, but information to guide duration of hospitalization is limited.

Methods: We used landmark analyses, in which the landmark defined potential days of discharge, to estimate complication rates on the first day the patient would have been out of the hospital, and estimated associations between timing of discharge and 30-day and 1-year event-free survival after discharge among NSTEMI patients.

Results: Among 20,410 NSTEMI patients, median length of stay was 7 (4, 12) days; 3,209 (15.7%) experienced a cardiac complication on days 0 to 2 and 1,322 (6.5%) were discharged without complications during hospital days 0 to 2. At the start of day 3, 15,879 patients (77.8%) were still hospitalized without complications. Of these, 1,689 (10.6%) were discharged event-free on day 3. Adjusted event-free survival rates of death or myocardial infarction from day 4 to 30 days after among the 1,689 patients was 99.1% compared with 93.1% for the 14,190 who remained hospitalized at the end of day 3. For 1-year mortality, these rates were 98.1% and 96.4%, respectively. Among 13,334 patients hospitalized without complications at the start of day 4, 1,706 were discharged event-free that day. Adjusted survival rates among these patients, compared with those still hospitalized at the end of day 4, were 98.0% versus 93.7% for 30-day death or myocardial infarction and 97.8% versus 96.1% for 1-year mortality.

Conclusions: Patients with NSTEMI who had no serious complications during the first 2 hospital days were at low risk of subsequent short- and intermediate-term death or ischemic events.

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