Clinical Characteristic of Elderly Acute ST Elevation Myocardial Infarction Patients at Emergency Department Maharat Nakhon Ratchasima Hospital

Abstract

This retrospective descriptive study aimed evaluate clinical characteristics, in-hospital
mortality rate and factors associated with in-hospital mortality of elderly acute ST elevation
myocardial infarction patients. Data were retrieved from medical records of elderly patients
diagnosed with STEMI who had visited Emergency department Maharat Nakhon Ratchasima
Hospital from January 1st, 2019, to December 31th 2020.
Result: From total of 727 patients who were diagnosed with STEMI, 412 patients (56.67%)
were youngest-old patients (ages 65-74 years), 256 patients (35.21%) were middle-old patients
(ages 75-85 years) and 59 patients were oldest-old patients (ages ≥85 years). 224 patients (30.81%)
presented with atypical symptoms. Most common atypical symptoms included dyspnea,
epigastrium pain and syncope. Furthermore, In-hospital mortality rate were 27.12% in oldest-old
group, 17.58% in middle-old group and 9.22% in youngest-old group. Factor associated with in-hospital mortality were middle-old patients (Odds ratio,1.72 ;95%CI,1.04-2.84),oldest-old group
(Odds ratio,3.06 ;95%CI,1.45-6.51) and Killip classication≥ 3 (Odds ratio,4.80;95%CI,2.96-7.76)