title: [Application of transorally inserted anvil (OrVil(TM)) in laparoscopic-assisted radical resection for Siewert type II adenocarcinoma of the esophagogastric junction].
abstract: OBJECTIVE
  To study the safety and feasibility of transorally inserted anvil (OrVil(TM)) in laparoscopic-assisted radical resection for Siewert type II adenocarcinoma of the esophagogastric junction (AEG).
  
  
  METHODS
  Clinical data (operative time, rate of thoracotomy, residual cancer in the proximal margin, and postoperative recovery) of 72 patients suffered from Siewert type II AEG were analyzed retrospectively, including 46 cases of applying OrVil(TM) in digestive tract reconstruction for laparoscopic-assisted radical resection and 26 cases of applying pouch clamp embedding anvil, between May 2009 and August 2012 in Department of Minimally Invasive Gastrointestinal Surgery at the Peking University Cancer Hospital and Institute.
  
  
  RESULTS
  The length between proximal margin and superior border of tumor was (2.5±1.5) cm in OrVil(TM) group, significantly longer than that in the traditional group [(1.6±1.1) cm, P<0.01]. Moreover, the intraoperative frozen pathological positive incidence of cancer remnant was 2.2% (1/46), and rate of thoracotomy was 0, both of which were significantly lower as compared to the traditional group [23.1% (6/26) and 15.4% (4/26) respectively, both P<0.01]. However, intraoperative blood loss and postoperative complications did not differ between the two groups (both P>0.05).
  
  
  CONCLUSIONS
  As for laparoscopic-assisted Siewert type II AEG radical resection, application of OrVil(TM) in digestive tract reconstruction is a safe surgical procedure, and can effectively reduce the rate of intra-operative thoracotomy, which is beneficial to postoperative recovery.
authors.affiliation: Department of Minimally Invasive Gastrointestinal Surgery, Peking University Cancer Hospital and Institute, Beijing, China.
authors.forename: Zhen-dan
authors.initials: ZD
authors.lastname: Yao
authors.forename: Hong
authors.initials: H
authors.lastname: Yang
authors.forename: Ming
authors.initials: M
authors.lastname: Cui
authors.forename: Jia-di
authors.initials: JD
authors.lastname: Xing
authors.forename: Yi-yuan
authors.initials: YY
authors.lastname: Ma
authors.forename: Cheng-hai
authors.initials: CH
authors.lastname: Zhang
authors.forename: Nan
authors.initials: N
authors.lastname: Zhang
authors.forename: Xiang-qian
authors.initials: XQ
authors.lastname: Su
mesh_terms: D000230:Adenocarcinoma / Q000601:surgery*; D000368:Aged; D004938:Esophageal Neoplasms / Q000601:surgery; D004943:Esophagogastric Junction; D005260:Female; D005743:Gastrectomy / Q000379:methods*; D006801:Humans; D010535:Laparoscopy / Q000379:methods*; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D013274:Stomach Neoplasms / Q000601:surgery