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KMID : 1141820230230040523
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Journal of Gastric Cancer
2023 Volume.23 No. 4 p.523 ~ p.534
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Novel Clean End-to-End Anastomosis Method, Without Opening the Stomach Lumen, in Totally Laparoscopic or Robotic Pylorus-Preserving Gastrectomy
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Takashi Mitsui
Kazuyuki Saito
Yuhei Hakozaki
Yoshiyuki Miwa
Takuji Noro
Emiko Takeshita
Taizen Urahashi
Yasuyuki Seto
Takashi Okuyama
Hideyuki Yoshitomi
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Abstract
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Purpose : Intra-abdominal infection is a common postoperative complication of laparoscopic pylorus-preserving gastrectomies (PPGs). Many studies have reported that intra-abdominal infectious complications after gastrectomy adversely affect patient survival outcomes. To prevent gastric fluid leakage into the abdominal cavity, we developed a novel anastomosis method in which the stomach lumen is not opened (termed the non-opened clean end-to-end anastomosis method [NoCEAM]) and evaluated its feasibility.
Materials and Methods : Subsequent to lymphadenectomy, the oral and anal resection lines were sutured using an intraoperative endoscope. After closing the stomach circumferentially with clips, the specimen was rolled outward like a “donut.” We resected the specimen circumferentially using a linear stapler, and anastomosis was completed simultaneously. We examined the feasibility of this procedure ex vivo, using three porcine stomachs, and in vivo, using one pig. Subsequently, we applied the procedure to 13 consecutive patients with middle-third early gastric cancer utilizing laparotomic, laparoscopic, and robotic PPG.
Results : NoCEAM was completed in all porcine models and human cases. In the human cases, the mean operation time (±standard deviation) was 279±51 minutes, and mean blood loss volume was 22±45 mL. The mean number of linear staples used was 5.06±0.76. None of the patients had complications, and all were discharged on the eighth postoperative. The serum total protein, serum albumin, and hemoglobin levels did not change significantly after surgery.
Conclusions : NoCEAM is feasible and safe for performing totally laparoscopic or robotic PPG. It may reduce postoperative complications, such as intra-abdominal infections.
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KEYWORD
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Robot surgery, Gastrectomy, Intra-abdominal infection, Postoperative complication, PylorusPurpose
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