Usefulness of the Transoral Anvil Delivery System for Esophagojejunostomy After Laparoscopic Total Gastrectomy: A Single-institution Comparative Study of Transoral Anvil Delivery System and the Overlap Method

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Abstract

Purpose:

Many reconstruction techniques have been reported after laparoscopic total gastrectomy (LTG), but it is not clear which anastomosis technique is most useful, and no standard methods have been established. This study examined whether LTG using the transoral anvil delivery system (TOADS) is a feasible and safe procedure for gastric cancer.

Materials and Methods:

A series of 47 patients underwent the overlap method and 36 underwent the hemi-double-stapling technique with TOADS. Intraoperative and postoperative outcomes were compared between the 2 groups.

Results:

In the TOADS group, operation time for reconstruction was shorter (16±3 vs. 45±10 min, P=0.003), and blood loss was reduced (45±15 vs. 126±13 mL, P=0.0002). There were no significant differences in intraoperative complications, conversion to open surgery, and intraoperative anastomosis-related complications between the 2 groups. Furthermore, there were no significant differences in the incidence of complications, reoperation, mortality, and postoperative hospital stay.

Conclusion:

LTG using TOADS for gastric cancer may be a technically feasible surgical procedure with acceptable morbidity.

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