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- Title
Trígono Cistohepático: Área Crítica Anatómica para la Seguridad Quirúrgica.
- Authors
Algieri, Rubén Daniel; Ferrante, María Soledad; Ugartemendía, Juan Sebastián; de las Mercedes Bernadou, María; Pina, Lucas; Álvarez Escalante, Agustín
- Abstract
Knowing the anatomy of the bile duct and its anatomical variations becomes essential to safely perform any surgery. Gallbladder resection requires careful attention: knowing the region's anatomy by heart and taking into account the possibility of anatomical variations. Misunderstanding the anatomy is not only a failure in technical ability but also a cause of injury to the bile duct during a cholescystectomy. The objectives of this study were, to distinguish the boundaries and content of the trigonum cystohepaticum. Furthermore, to design the areas of Safety and Critical Vision as a safety measure for the patient undergoing surgery. Analysis of 458 surgical reports on cholecystectomies performed from January 2010 to October 2012 by the Hospital Aeronáutico's General Surgery Department, and dissection of 12 adult cadavers preserved in a 10% formalin solution at the IIIrd Chair of Anatomy, School of Medicine, University of Buenos Aires. From 458 cholecystectomies, surgical reports were classified as mentioning: Calot triangle, 247 (53.93%); cystohepatic triangle, 59 (12.88%); critical vision area, 152 (33.18%). None of them mentioned Buddé triangle or trigonum cystohepaticum. Twelve adult cadavers were dissected in which we identified the cystic artery: originating from right hepatic artery, 9 (75%); originating from left hepatic artery, 2 (16.66%); and originating from hepatic artery, 1 (8.34%). Trigonum cystohepaticum is observed in 7 cadavers (58.35%). Knowing the anatomy of the bile duct and its anatomical variations becomes essential to safely perform any surgery. The triangle described by Calot is the lower half of the triangle described by Buddé. The lateral portion (Safety Triangle) is the area of critical vision to be dissected due to the lower probability of injuring noble structures.
- Publication
International Journal of Morphology, 2014, Vol 32, Issue 3, p860
- ISSN
0717-9367
- Publication type
Article
- DOI
10.4067/S0717-95022014000300019