Key result
The overall incidence of cardiac arrhythmias in STEMI patients during and up to 48 hours post-primary PCI was 16.6%, with ventricular arrhythmias being the most common.
Why the study?
The frequency of arrhythmias in acute STEMI patients during PPCI up to 48 hours post-PPCI required evaluation at NICVD, Karachi.
Observational (n=285)
No
Cardiac arrhythmias occur in 16.6% of STEMI patients undergoing PPCI, predominantly within the first 24 hours and more frequently in older patients (≥55 years).
Objective: To determine the frequency of arrhythmias in patients with acute ST-segment elevation myocardial infarction primary percutaneous coronary intervention (PPCI) till 48 hours post PPCI in admitted at national institute of cardiovascular diseases (NICVD), Karachi. Material & Methods: This was a hospital based clinical study conducted at NICVD through convenience sampling technique for the period of 6 months from 1st September 2021 to 31st March, 2022. All the adult (age more than 18 years) male and female, presented with acute ST-segment elevation myocardial infarction, and eligible for PPCI were included in this study. Cardiac arrhythmias during 48 hours post-PPCI were evaluated and documented. SPSS v. 26 was used for data entry and analysis. Results: A total of 285 patients were included for final analysis. The overall mean age ± SD was 56.56±13.07 years. Most of the patients were belongs to age group II (age ≥55 years) as compare to age group I (age <55 years), 50.87% and 49.12%, respectively. The overall incidence of arrhythmias was 16.6% among them most of the arrhythmias were observed during the first 24 hours of PPCI (72.22%). Ventricular arrhythmias were most common as compare to atrial arrhythmias (61.11%). There was an insignificant association observed in relation to gender and incidence of arrhythmias, p 0.236. Patients having age ≥55 were significantly associated with occurrence of arrhythmias, p <0.001. Conclusion: Frequency of cardiac arrhythmias is higher during early hours of after PPCI. Among them, ventricular arrhythmias were more common as compare to atrial arrhythmias. Older patients (age >55 years) were significantly associated with increased incidence of cardiac arrhythmias as compare to younger age group (age <55 years).
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Siddiqui et al. (2023) conducted an observational in Acute ST-segment elevation myocardial infarction (STEMI) (n=285). Primary percutaneous coronary intervention (PPCI) was evaluated on Incidence of cardiac arrhythmias during or within 48 hours after PPCI. The overall incidence of cardiac arrhythmias in STEMI patients during and up to 48 hours post-primary PCI was 16.6%, with ventricular arrhythmias being the most common.
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