Chest Pain-to-Emergency Department Time Effect on EF After Primary PCI

For several years now, primary percutaneous coronary intervention (PPCI) has been considered an effective treatment for ST-elevation myocardial infarction (STEMI). Efforts have been made to reduce the time interval between the patient’s admission to the hospital and PPCI. We evaluated the effect of the time interval between patients’ admission to the emergency department and PPCI on left ventricular ejection fraction (LVEF) in patients with STEMI.
The target population comprised patients who were admitted to the Emergency Department of Shahid Mohammadi Hospital with acute STEMI and scheduled for PPCI between 2017 and 2018. Eventually, 174 patients, who met the inclusion criteria, were investigated using a questionnaire, and the data were analyzed by SPSS20.
From the 174 patients diagnosed with acute STEMI, 72% were male and 28% were female. The mean age of the patients was 57.2 years (SD= ±13). A statistically significant linear relationship existed between symptom-to-balloon time and LVEF (P≤0.05), but no statistically significant linear relationship existed between the door-to-balloon time (DBT) and LVEF (P≤0.05).
Reducing symptom-to-balloon time in PPCI for patients with acute STEMI could preserve LVEF and improve prognosis. (Iranian Heart Journal 2022; 23(2): 68-74)