Impact of obesity on laparoscopic-assisted radical gastrectomy for gastric cancer

Jian-xin CHEN; Chang-ming HUANG; Chao-hui ZHENG; Ping LI; Jian-wei XIE; Jia-bin WANG; Jian-xian LIN

OBJECTIVETo study the impact of obesity on the short-term outcomes after laparoscopic-assisted radical gastrectomy.METHODSA total of 531 gastric cancer patients underwent radical resection at the Fujian Medical University Union Hospital between May 2007 and June 2010. There were 83 patients with BMI ≥ 25 kg/m(2) (obese group) and 448 patients with BMI<25 kg/m(2) (non-obese group). Intraoperative and postoperative parameters, and short-term survival rates between the two groups were compared.RESULTSThere was no significant difference between obese and non-obese patients in terms of conversion rate (2.4% vs. 1.8%, P>0.05). The operative time in obese group was (224.7 ± 57.3) min, which was significantly longer than that in non-obese group [(210.0 ± 57.9) min, P<0.05]. However, no statistically significant differences were observed between obese and non-obese groups in terms of blood loss, blood transfusion rate, elevated leukocyte and granulocyte count on the first postoperative day, time to temperature recovery, first flatus, and postoperative hospital stays(P>0.05). The mean number of retrieved lymph nodes in obese group was (24.8 ± 8.4), and was significantly less than that of non-obese group[(29.9 ± 10.2), P<0.05]. There were no significant differences between obese and non-obese groups in postoperative complication rate (16.8% vs. 10.2%, P>0.05), postoperative mortality(1.2% vs. 0.4%, P>0.05), and 3-year overall survival (68.8% vs. 74.0%, P>0.05).CONCLUSIONSObesity is associated with prolonged operative time for laparoscopic radical gastrectomy. However, the short-term outcomes after the laparoscopic radical gastrectomy is not influenced by obesity.

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Impact of obesity on laparoscopic-assisted radical gastrectomy for gastric cancer / 中华胃肠外科杂志

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