Key result
NSTEMI patients present with an occluded coronary artery in ~33% of cases.
Why the study?
Non-ST elevation myocardial infarction is frequently thought to involve incomplete culprit artery blockage, prompting evaluation of the prevalence of occluded coronary arteries in these patients at a tertiary care centre.
What is the prevalence of occluded coronary arteries among patients presenting with non-ST elevation myocardial infarction?
Cross-Sectional (n=196)
simple randomized sampling
No
What is the prevalence of occluded coronary arteries among patients presenting with non-ST elevation myocardial infarction?
Nearly one-third of patients presenting with NSTEMI have a totally occluded culprit coronary artery, highlighting the potential need for early invasive strategies in this population.
Answers are grounded in this paper and cite their sources.
Indicates frequent occluded arteries in NSTEMI; hypothesis-generating for early invasive strategies without supporting practice change.
Introduction: Non-ST elevation myocardial infarction is frequently thought to be caused by incomplete blockage of the culprit artery, whereas ST elevation myocardial infarction is frequently thought to be caused by total occlusion of the culprit artery. The objective of the study was to find out the prevalence of occluded coronary arteries among non-ST elevation myocardial infarction patients department of cardiology of a tertiary care centre. Methods: A descriptive cross-sectional study was conducted among non-ST elevation myocardial infarction patients in a tertiary care centre from 22 June 2020 to 21 June 2021 after taking ethical approval from the Institutional Review Committee [Reference number: 4271 (6-11) E2 076/077]. A total of 196 patients were included in the study by simple randomized sampling. Data on the patient's clinical profile, angiographic findings, and in-hospital complications were recorded. Point estimate and 95% Confidence Interval were calculated. Results: Among 126 non-ST elevation myocardial infarction patients included in the study, the prevalence of occluded coronary artery was 41 (32.54%) (24.36-40.72, 95% Confidence Interval). Conclusions: The prevalence of occluded coronary arteries was similar to the studies done in similar settings.
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Sharma et al. (2023) conducted a cross-sectional in Non-ST elevation myocardial infarction (n=196). Among patients with non-ST elevation myocardial infarction, the prevalence of an occluded coronary artery was 32.54%.
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