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06.03.2019 | Original Article

Surgical outcomes and risk assessment for anastomotic complications after laparoscopic proximal gastrectomy with double-flap technique for upper-third gastric cancer

Zeitschrift:
Gastric Cancer
Autoren:
Yoshiaki Shoji, Souya Nunobe, Satoshi Ida, Koshi Kumagai, Manabu Ohashi, Takeshi Sano, Naoki Hiki
Wichtige Hinweise

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Abstract

Background

Double-flap technique (DFT) has received increased attention as an anastomotic procedure preventing reflux esophagitis after laparoscopic proximal gastrectomy (LPG) for upper-third gastric cancer. However, incidence of anastomotic stricture still remains high. This study was a retrospective review aimed to demonstrate details of surgical outcomes and to assess risk factors for anastomotic complications using pre-operative CT image after LPG with DFT (LPG–DFT).

Methods

Patient background data, surgical outcomes, post-operative courses, and complications for patients who underwent LPG–DFT from January 2013 to June 2017 were collected. In addition to the details of short-term outcomes, risk factors for anastomotic stricture and gastroesophageal reflux were analyzed.

Results

The study sample was 147 patients, including 139 patients with upper-third gastric cancer and 8 patients with submucosal tumor of the upper-third stomach. The overall morbidity rate was 12.2% (18/147), and 97.3% (143/147) of the patients achieved R0 resection. Twelve (8.3%) patients required endoscopic balloon dilatation for anastomotic stenosis, and six (4.2%) suffered regurgitation grade ≥ B in the Los Angeles classification. Multivariate analysis revealed that diameter of the esophagus < 18 mm on pre-operative CT image and the presence of short-term complications were found to be independent risk factors for post-operative anastomotic stenosis. No specific risk for gastroesophageal reflux was identified.

Conclusions

The incidence rate of anastomotic complications after LPG–DFT was far lower than that reported after conventional esophagogastrostomy. Alternative anastomotic method may be considered for patients with diameter of the esophagus < 18 mm on pre-operative CT image. Prevention of short-term complications may lessen post-operative stricture.

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