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Prevalence of anatomical variations of cystic artery in South Indian cadavers

Journal: International Journal of Research in Medical Sciences (Vol.1, No. 4)

Publication Date:

Authors : ;

Page : 424-428

Keywords : Cystic artery; Gall bladder; Variations; Cholecystectomy; Calot’s triangle;

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Background: The knowledge of variations in the origin and course of cystic artery is important for the surgeons as uncontrolled bleeding from the cystic artery and its branches can be fatal during cholecystectomy. Intra operative bleeding can result in an increase in the risk of intra operative injury to vital vascular and biliary structures. Keeping in view the clinical significance and applied importance of the cystic artery anatomy and to add some more knowledge to the existing ones, the present study was undertaken, to know in detail the level of origin, length, and variations in the course and relation of the cystic artery. Methods: The present study was performed on 100 human liver specimens with intact gallbladder and extrahepatic duct system, obtained after dissection from the cadavers in the Department of Anatomy and from post-mortem cases from the Department of Forensic Medicine, Mysore Medical College and Research Institute, Mysore, over a period of 18 months. Results: Most common source of origin of the cystic artery was the right hepatic artery in 92 cases (92%) followed by aberrant right hepatic artery in 4 cases (4%) and the least common sources observed were the left hepatic artery in 1 case (1%) and the gastroduodenal artery in 1 case (1%).Mean length of the cystic artery was 17.6 mm and ranged between 3.7 mm to 42 mm. Out of the 100 dissected specimens, in 65 (65%) the cystic artery was found inside the Calot’s triangle and in 35 (35%) outside the triangle. Conclusion: This study provides details of the normal as well as the variant anatomy of the cystic artery, knowledge of which is very essential for the surgeons to minimize the risk of injury to the blood vessels and the biliary apparatus during cholecystectomy. [Int J Res Med Sci 2013; 1(4.000): 424-428]

Last modified: 2013-11-11 15:31:49