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Size of Acute Myocardial Infarction Correlates with Earlier Time of Initiation of Reperfusion Therapy with Cardiac Perfusion Scintigraphy: A National Single-Center Study

Hajdin Çitaku, Ramë Miftari, David Stubljar, Xhevdet Krasniqi

Clinic for Cardiology, University Clinical Center of Kosovo, Prishtina, Kosovo

Med Sci Monit Basic Res 2021; 27:e933214

DOI: 10.12659/MSMBR.933214

Available online: 2021-09-13

Published: 2021-09-13


BACKGROUND: The aim of this study was to determine the correlation between the size of acute myocardial infarction (AMI) and the time of initiation of reperfusion therapy with cardiac perfusion scintigraphy.
MATERIAL AND METHODS: Overall, 80 patients with acute ST elevation myocardial infarction (STEMI) were examined. All patients were treated with primary percutaneous coronary intervention (pPCI). Data on patient and system delay expressed in minutes were recorded and compared with recommended timelines. Cardiac scintigraphy was performed with 99m Tc-sestamibi single-photon emission computed tomography (SPECT). The median time of cardiac scintigraphy was 20 days. The correlation between the size of infarction and the time of initiation of reperfusion therapy was evaluated.
RESULTS: The mean age of patients was 60.5±11.5 years, and 72.5% were male. The average system delay was 348 min, and the average patient delay was 173 min. The mean total ischemic time was 800 min. There was a correlation between time delays of reperfusion therapy and infarct size. Patients with a shorter time delay to patent artery after FMC showed smaller infarct size when compared to the patients with longer delay times. Multiple linear regression analysis showed that FMC, being male, and smokers had statistical significance when predicting infarct size.
CONCLUSIONS: There is a correlation between the size of myocardial infarction and the time of initiation of reperfusion therapy determined by perfusion myocardial scintigraphy. The study showed that there are time delays in starting the treatment of AMI with pPCI when compared to the recommended time, which requires an action plan in the near future to ensure earlier treatment for our patients.

Keywords: Angioplasty, Anterior Wall Myocardial Infarction, Technetium Tc 99m Sestamibi, Time Factors