A study on coronary dominance and luminal diameters of major coronary arteries in cadaveric human hearts of the Maharashtra population

Q4 Medicine Italian journal of anatomy and embryology Pub Date : 2018-01-01 DOI:10.13128/IJAE-24167

Nihal S. Kiran, M. Doshi, Shashikiran N Devendrappa, S. Saxena, Merina Sam

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Abstract

The study was undertaken to assess the coronary dominance and variations in luminal diameters of major coronary arteries and to compare the relation between the coronary dominance and variation in luminal diameter and between coronary dominance and number of vessels measuring less than 2.5 mm in diameter, in 75 cadaveric human hearts obtained from the Department of Anatomy from the various medical colleges of western Maharashtra, India. Out of 75 hearts, 58 (77.33%) showed right dominance, 14 (18.67%) showed left dominance and 3 (4%) showed codominant pattern. No significant difference was noted in the luminal diameters of coronary arteries (right coronary artery, marginal artery, posterior interventricular artery, left coronary artery, anterior interventricular branch, circumflex branch) among the dominance type. It was also observed that 63 hearts (84%) showed more than 2 arteries measuring less than 2.5mm in diameter. To conclude, a majority of the population has a right predominance and hence the chances of suffering from coronary artery disease are relatively less, but howe ver 84% of the sample under study had more than two coronary arteries measuring less than 2.5 mm in diameter out of the 6 arteries studied, thus increasing susceptibility of thrombosis in these arteries and therefore increasing the chances of myocardial infarction.

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马哈拉施特拉邦人尸体心脏冠状动脉优势和主要冠状动脉管径的研究

本研究旨在评估冠状动脉优势和主要冠状动脉管腔直径的变化，并比较冠状动脉优势与管腔直径变化之间的关系，以及冠状动脉优势与直径小于2.5 mm的血管数量之间的关系，研究对象为印度马哈拉施特拉邦西部各医学院解剖学系的75具人类尸体心脏。75个红心中，右侧占优势58个(77.33%)，左侧占优势14个(18.67%)，共占优势3个(4%)。优势型患者冠状动脉(右冠状动脉、边缘动脉、室间后动脉、左冠状动脉、室间前支、旋支)管腔直径差异无统计学意义。63例(84%)心脏有2条以上动脉直径小于2.5mm。综上所述，大多数人群具有右优势，因此患冠状动脉疾病的机会相对较少，但在研究的6条动脉中，超过84%的研究样本有两条以上直径小于2.5 mm的冠状动脉，从而增加了这些动脉血栓形成的易感性，从而增加了心肌梗死的机会。

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来源期刊

Italian journal of anatomy and embryology Medicine-Embryology

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0.20

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0.00%

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期刊介绍： The Italian Journal of Anatomy and Embryology, founded in 1901 by Giulio Chiarugi, Anatomist at Florence University, is a peer-reviewed journal sponsored by the Italian Society of Anatomy and Embryology. The journal publishes original papers, invited review articles, historical article, commentaries, obituitary, and book reviews. Its main focus is to understand anatomy through an analysis of structure, function, development and evolution. Priority will be given to studies of that clearly articulate their relevance to the anatomical community. Focal areas include: experimental studies, contributions based on molecular and cell biology and on the application of modern imaging techniques; comparative functional morphology; developmental biology; functional human anatomy; methodological innovations in anatomical research; significant advances in anatomical education. Studies that are essentially descriptive anatomy are appropriate only if they communicate clearly a broader functional or evolutionary significance. All papers should be submitted in English and must be original works that are unpublished and not under consideration by another journal. An international Editorial Board and reviewers from the anatomical disciplines guarantee a rapid review of your paper within two to three weeks after submission.