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Vascular anatomy of the jejunal mesentery and complications associated with division of the first jejunal venous trunk during pancreaticoduodenectomy
Author(s) -
Kobayashi Yuta,
Sakamoto Yoshihiro,
Arita Junichi,
Akamatsu Nobuhisa,
Kaneko Junichi,
Hasegawa Kiyoshi,
Kokudo Norihiro
Publication year - 2018
Publication title -
journal of surgical oncology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.201
H-Index - 111
eISSN - 1096-9098
pISSN - 0022-4790
DOI - 10.1002/jso.24948
Subject(s) - medicine , pancreaticoduodenectomy , superior mesenteric artery , superior mesenteric vein , trunk , mesentery , sma* , anastomosis , vein , anatomy , radiology , resection , surgery , portal vein , computer science , biology , ecology , algorithm
Background Little is known about the anatomy of the jejunal veins (JVs) flowing into the superior mesenteric vein (SMV), and whether they can be safely divided during pancreaticoduodenectomy. Methods Computed tomography was used to review the jejunal branches off the superior mesenteric artery (SMA) and into the SMV in 123 consecutive patients. The common trunk of the JVs (jejunal venous trunk, JVT) was classified as ventral or dorsal to the SMA. Results The first JVT involved multiple JVs in 108 (87.8%) cases. The first JVT diameter (≥7 or <7 mm) was significantly associated with the number of JVs (≥4 or <4; P < 0.05). Surgical outcomes were not significantly different between cases in which the first JVT was sacrificed ( n = 32) or preserved ( n = 91), except for operation time and portal venous resection frequency. One of the 32 cases (3.1%) with first JVT sacrifice showed severe congestion of the jejunal limb requiring emergency jejunal resection. Conclusions The size and topology of the first JVT are associated with the number of JVs involved. This is important for understanding the resectional area of the mesojejunum and the pathogenesis of jejunal congestion.