• JNMA J Nepal Med Assoc · Aug 2022

    Collateral Development in Patients Undergoing Coronary Angiography in a Tertiary Care Centre: A Descriptive Cross-sectional Study.

    • Ajeevan Gautam, Bishnu Mani Dhital, Manas Pokhrel, and Amrit Kafle.
    • Department of Anatomy, Chitwan Medical College, Bharatpur, Chitwan, Nepal.
    • JNMA J Nepal Med Assoc. 2022 Aug 1; 60 (252): 707709707-709.

    IntroductionCoronary artery disease is one of the major cardiovascular diseases affecting the global human population. When the primary stenotic or blocked channel fails to deliver enough blood to the myocardium, the coronary collateral circulation serves as a backup source of blood supply. The aim of this study was to find out the prevalence of collateral development in patients undergoing coronary angiography in a tertiary care centre.MethodsThis descriptive cross-sectional study was conducted among patients with peripheral vascular injuries that underwent operative management in a tertiary care centre from November 2021 to April 2022. Ethical approval was taken from the Institutional Review Committee (Registration number: CMC-IRC/078/079-027). Convenience sampling technique was used. Data for the study was retrieved from operation records of the patients along with their treatment summaries. Point estimate and 95% Confidence Interval were calculated.ResultsAmong 170 patients undergoing coronary angiography, 84 (49.41%) (41.6-56.6, 95% Confidence Interval) had developed collateral circulation. The mean age was 62.8±11.7 years.ConclusionsThe prevalence of collateral development in the coronary artery was similar to other published literature.Keywordsangiography; artery; blood circulation; prevalence.

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