• Yusuke Akamaru, Tsuyoshi Takahashi, Toshirou Nishida, Takeshi Omori, Kazuhiro Nishikawa, Shoki Mikata, Noriyuki Yamamura, Satoru Miyazaki, Hiroshi Noro, Shuji Takiguchi, Masaki Mori, and Yuichiro Doki.
• Department of Surgery, Japan Community Healthcare Organization, Osaka Hospital, 4-2-78 Fukushima, Fukushima-ku, Osaka, Japan.
• J. Gastrointest. Surg. 2015 Mar 1; 19 (3): 467-72.

PurposeThis study aimed to assess the efficacy of daikenchuto (DKT), a commonly prescribed, traditional Japanese herbal medicine, on postoperative intestinal dysfunction after gastric cancer surgery.MethodsPatients with gastric cancer scheduled for a total gastrectomy were randomly assigned before surgery to receive either no treatment (n = 40; control group) or DKT (7.5 g/day, t.i.d.) for 3 months (n = 41) postoperatively. We examined gastrointestinal motility, stool attributes, the quantity of bowel gas, the quality of life, and the incidence of postoperative ileus.ResultsDuring the hospital stay, significant differences were observed between the DKT group and controls in the number of stools per day (1.1 ± 0.6 vs 0.8 ± 0.4, respectively; P = 0.037) and stool consistencies (Bristol scale ratings were 3.7 ± 0.8 vs 3.1 ± 0.8, respectively; P = 0.041). The DKT group showed significant reductions in gas volume scores, calculated from abdominal radiographs, at 7 days, 1 month, and 3 months after surgery. The groups did not show significant differences in quality of life scores (based on the Gastrointestinal Symptom Rating Scale) or in the incidence of postoperative ileus.ConclusionDKT improved bowel movements, stool properties, and bowel gas. These results suggested that DKT promoted early postoperative bowel functions after total gastrectomy.

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