Laparoscopic proximal gastrectomy with double tract reconstruction is superior to laparoscopic total gastrectomy for proximal early gastric cancer
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Laparoscopic proximal gastrectomy (LPG) with double tract reconstruction (DTR) is known to reduce reflux symptoms, which is a major concern after proximal gastrectomy. The aim of this study is to compare retrospectively the clinical outcomes of patients undergoing LPG with DTR with those treated by laparoscopic total gastrectomy (LTG).
Ninety-two and 156 patients undergoing LPG with DTR and LTG for proximal stage I gastric cancer were retrospectively analyzed for short- and long-term clinical outcomes.
There were no significant differences in the demographics, T-stage, N-stage, and complications between the groups. The LPG with DTR group had a shorter operative time and lower estimated blood loss than the LTG group (198.3 vs. 225.4 min, p < 0.001; and 84.7 vs. 128.3 mL p = 0.001). The incidence of reflux symptoms ≥ Visick grade II did not significantly differ between the groups during a mean follow-up period of 37.2 months (1.1 vs. 1.9%, p = 0.999). The hemoglobin change was significantly lower in the LPG with DTR group compared to in the LTG group in the first and second postoperative years (5.03 vs. 9.18% p = 0.004; and 3.45 vs. 8.30%, p = 0.002, respectively), as was the mean amount of vitamin B12 supplements 2 years after operation (0.1 vs. 3.1 mg, p < 0.001). The overall survival rate was similar between the groups.
LPG with DTR maintained comparable oncological safety and anastomosis-related late complications compared to LTG and is preferred over LTG in terms of preventing postoperative anemia and vitamin B12 deficiency.
KeywordsLaparoscopic proximal gastrectomy Double tract reconstruction Proximal early gastric cancer Anemia
The authors have been awarded the research grant from Korean National Strategic Coordinating Center of Clinical Research (Grant No.: HI10V0084010014).
Compliance with ethical standards
Do Hyun Jung, Yoontaek Lee, Dong Wook Kim, Young Suk Park, Sang-Hoon Ahn, Do Joong Park and Hyung-Ho Kim have no conflicts of interest or financial ties to disclose.
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