Comparison of Prognosis According to the Use of Emergency Medical Services in Patients with ST-Segment Elevation Myocardial Infarction.

ABSTRACT:

Purpose

This study aimed to compare long-term clinical outcomes according to the use of emergency medical services (EMS) in patients with ST-segment elevation myocardial infarction (STEMI) who arrived at the hospital within 12 hr of symptom onset.

Materials and methods

A total of 13104 patients with acute myocardial infarction were enrolled in the Korea Acute Myocardial Infarction Registry-National Institutes of Health from October 2011 to December 2015. Of them, 2416 patients with STEMI who arrived at the hospital within 12 hr were divided into two groups: 987 patients in the EMS group and 1429 in the non-EMS group. Propensity score matching (PSM) was performed to reduce bias from confounding variables. After PSM, 796 patients in the EMS group and 796 patients in the non-EM

SUBMITTER: Kim YR 

PROVIDER: S-EPMC8819403 | biostudies-literature | 2022 Feb

REPOSITORIES: biostudies-literature