Association of door-to-ECG time and in-hospital mortality among patients with acute coronary syndrome in a tertiary hospital

Publication Date

2018

Document Type

Research

Abstract

180 subjects were included and sorted into groups on door-to-ECG time of within 10 minutes and door-to-ECG time of more than 10 minutes. All of the patients went to the ER of a tertiary hospital between January and December 2017. Patients with previous heart diseases tend to wait longer to receive their ECGs compared to the patients with typical symptoms (p=0.014). Patients who were expired has significantly longer door-to-ECG time (p< 0.001). For STEMI patients, there was an association of patients with previous heart diseases with approximately 4 times more likely to have door-to-ECG time of more than 10 minutes (p=0.003). There were no associations of demographics and clinical profiles of the NSTEMI and Unstable Angina patients with door-to-ECG time. There was a significant association of in-hospital mortality and door-to-ECG time only in STEMI patients (p=< 0.001), unlike in NSTEMI (p=0.162) and Unstable Angina patients (p=0.869). STEMI patients with more than 10 minutes of door-to-ECG time were approximately 46 times more likely to expire. For comorbidities of all ACS patients, cardiovascular disease (CVD), chronic kidney disease (CKD) and previous heart diseases were statistically associated with in-hospital mortality (p=0.015, p=0.006, and p=0.032, respectively). There was also a significant association of hypertension and in-hospital mortality for STEMI patients (p=0.022). Patients with NSTEMI were 86% less likely to expire compared to patients with STEMI (p=0.002).

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