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首页> 外文期刊>Journal of Clinical and Diagnostic Research >Morphometric Study of Left Coronary Artery Trunk in Adult Human Cadavers: A Study on the Eastern Region Population
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Morphometric Study of Left Coronary Artery Trunk in Adult Human Cadavers: A Study on the Eastern Region Population

机译：成年人类尸体左冠状动脉干的形态计量学研究：东部地区人群的研究

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Introduction: The left coronary artery shows a wide range of morphological variations which has great clinical importance. Difficulties may occur during performance of diagnostic procedures, especially in patients who undergo evaluation of percutaneous coronary interventions or during coronary artery surgeries or prosthetic valve replacements. Even, it has been found that short length of main left coronary artery was one of the congenital factors which predisposed to the development of coronary artery disease. The aim of this work was to determine the variations in the origin, length and divisions of the left coronary artery trunk in the eastern region population of India.Materials and Methods: The present study was carried out on 100 heart samples which were collected from a mixed race population group from West Bengal, India, after preserving them in 10% formalin solution. While carefully maintaining all standard precautions, scientifically well-planned cadaveric dissections were done and variations were noted.Results: It was found that in all specimens, left coronary artery arose from single ostia at the left posterior aortic sinus. In about 65% cases, ostia was below or at the sinotubular junction (STJ) and in a significant number (35%) of cases, it is above the level of STJ. The mean length of the left coronary artery trunk was found to be 11.42 ± 4.98 mm. LMCA were bifurcated in 56% cases, they were trifurcated in 40% cases and they were tetrafurcated in 2% cases. The results were compared with those of other studies, which showed considerable variations.Conclusion: Thus, this morphometric study done on left coronary artery trunk in the eastern Indian population will be helpful for interventional cardiologists and radiologists for avoiding inadvertent vascular trauma during diagnostic and therapeutic procedures.
机译：简介：左冠状动脉表现出广泛的形态变化，具有重要的临床意义。在执行诊断程序期间可能会出现困难，尤其是在接受了经皮冠状动脉介入治疗评估的患者中，或者在冠状动脉手术或人工瓣膜置换期间。甚至，已经发现左主冠状动脉的短长度是导致冠状动脉疾病发展的先天因素之一。这项工作的目的是确定印度东部地区人群左冠状动脉主干的起源，长度和间隔的变化。材料与方法：本研究是从100例心脏样本中进行的。将他们保存在10％的福尔马林溶液中后，来自印度西孟加拉邦的混合种族人群。结果：发现在所有标本中，左冠状动脉均由左主动脉窦后的单个口形成，在所有标本中均进行了科学规划的尸体解剖并注意到了变化。在约65％的病例中，口孔低于或位于窦管交界处（STJ），在相当多的病例中（35％），其高于STJ水平。发现左冠状动脉干的平均长度为11.42±4.98mm。 LMCA在56％的情况下是分叉的，在40％的情况下是三叉的，在2％的情况下是四叉的。将结果与其他研究的结果进行比较，得出不同的结论。结论：因此，对印度东部人群左冠状动脉主干进行的形态测量研究将有助于介入心脏病学家和放射科医生避免在诊断和治疗过程中因疏忽而引起的血管损伤程序。

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