• Manju Sharma, Raja Ram Khanal, Sangam Shah, Ratna Mani Gajurel, Chandra Mani Poudel, Suman Adhikari, Vijay Yadav, Surya Devkota, and Shovit Thapa.
• Department of Cardiology, Manmohan Cardio Thoracic Vascular and Transplant Centre, Institute of Medicine, Maharajgunj, Kathmandu, Nepal.
• JNMA J Nepal Med Assoc. 2023 Jan 1; 61 (257): 545854-58.

IntroductionNon-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.MethodsA 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.ResultsAmong 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).ConclusionsThe prevalence of occluded coronary arteries was similar to the studies done in similar settings.Keywordscoronary angiography; MINOCA; Non-ST elevation myocardial infarction.

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