Anatomical characteristics and classifications of gastrocolic trunk of Henle in laparoscopic right colectomy: preliminar
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and Other Interventional Techniques
2019 SAGES ORAL
Anatomical characteristics and classifications of gastrocolic trunk of Henle in laparoscopic right colectomy: preliminary results of multicenter observational study Zirui He1 · Hao Su1 · Kai Ye2 · Yueming Sun3 · Yincong Guo4 · Quan Wang5 · Yong Li6 · Dechang Diao7 · Chunkang Yang8 · Nan Wang9 · Ang Li10 · WeiDong Tong11 · Peirong Ding12 · Yi Xiao13 · Xiaojun Zhou14 · Zhangfa Song15 · Su Yan16 · Hongwei Yao17 · Wenjian Meng18 · Donglei Zhou19 · Anlong Zhu20 · Yuan Gao21 · Hao Wang22 · Yiming Zhou23 · Xinxiang Li24 · Liang Kang25 · Minhua Zheng1 · Bo Feng1 Received: 3 May 2019 / Accepted: 3 November 2019 © Springer Science+Business Media, LLC, part of Springer Nature 2019
Abstract Background As a key landmark during laparoscopic right colectomy, the classification and variation of the gastrocolic trunk of Henle (GTH) remains to be clarified. The aim of this nationwide multicenter study was to describe the characteristics of the GTH intra-operatively during laparoscopic right colectomies. Methods Three hundred seventy-one patients who underwent laparoscopic right colectomies from January 2018 to March 2019 in 25 hospitals across China were enrolled in the study. The length of the GTH, the classification with a precise description of confluent tributaries, and other variations were analyzed. Results Of the 371 patients, 363 had a GTH. The proportion of type-0, type-I, type-II, and type-III was 15.2% (n = 55), 54.8% (n = 199), 25.3% (n = 92), and 4.7% (n = 17), respectively. The average length of the GTH was 8.5 mm, ranging from 2 to 30 mm. Conclusions This is the first multicenter study with a large sample by which the GTH was classified based on laparoscopic intraoperative observation. Variations in the GTH were classified into four types based on the number of colic drainage veins (right colic, superior right colic, middle colic, accessory middle colic, and ileocolic veins), among which the right colic vein was the most common. The length of the GTH was relatively short, and thus might carry a risk of bleeding. Further clinical data should be correlated with the characteristics of the GTH. Keywords Gastrocolic trunk of Henle · Laparoscopic right colectomy · Classification · Anatomic variation Since the first reported laparoscopic right colectomy, the concept of minimally invasive surgery has rapidly been adopted during the last 2 decades [1, 2]. Laparoscopic surgery for colon cancer is believed to offer surgical benefits, with similar oncologic outcomes compared to open surgery [3, 4]. Complete mesocolic excision (CME) with central vascular ligation (CVL) for colon cancer was first described by Hohenberger and has been reported to have a lower local Zirui He and Hao Su contributed equally to this work. * Minhua Zheng [email protected] * Bo Feng [email protected] Extended author information available on the last page of the article
recurrence rate and better survival rate compared to standard approaches [5–7]. Unlike the left colon, the anatomy and variatio
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