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This research aims to evaluate a new trapezoidal tunnel technique for esophagogastric anastomosis during laparoscopic proximal gastrectomy.

Trapezoidal tunnel intracorporeal esophagogastric anastomosis technique in laparoscopic-assisted proximal gastrectomy: technical notes and preliminary experience

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This research aims to evaluate a new trapezoidal tunnel technique for esophagogastric anastomosis during laparoscopic proximal gastrectomy.
Retrospective analysis of clinical data from 12 patients undergoing laparoscopic proximal gastrectomy using the trapezoidal tunnel technique from 2017 to 2022.
Assessment of demographic, clinical pathological characteristics, and postoperative outcomes, including reflux and stenosis status via endoscopy.
The technique was successfully performed in all 12 cases with a mean operative time of 262 minutes.
No postoperative complications of Clavien-Dindo grade II or higher were observed.
Endoscopic follow-up revealed normal findings in most patients, except one with grade A esophagitis; no anastomotic strictures were noted.

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Retrospective analysis demonstrates safe esophagogastric anastomosis technique in surgery, indicating potential benefits.

Sakurazawa et al. (2026) studied this question.

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