Clinical study on the effectiveness of Shen Huang ointment and powder on the postoperative ileus (POI) with qi stagnation and blood stasis

INTERVENTION: Shen Huang powder group:Shen Huang powder spreading umbilicus plus routine treatment;Shen Huang powder group:Shen Huang ointment spreading umbilicus plus routine treatment;placebo of Shen Huang powder group:placebo of Shen Huang powder spreading umbilicus placebo;placebo of Shen Huang ointment group:placebo of Shen Huang ointment spreading umbilicus + routine treatment; CONDITION: ICD‐9:151.9,153,154 Postoperative ileus after gastrointestinal tumor operation PRIMARY OUTCOME: recovery of normal bowel sound;the first postoperative defecation;postoperative anal exhaust time;postoperative anal exhaust time; SECONDARY OUTCOME: scores of TCM symptom;intestinal peristalsis;Gastrointestinal hormones (motilin, somatostatin; INCLUSION CRITERIA: 1. consecutive patients aged from 40y‐75y, either sex; 2. accord with the diagnosis standard(gastrointestinal tumor); 3. the TCM syndrome of the postoperative ileus is identified as qi stagnation and blood stasis; 4. to be approved by the ethic committee and an informed consent form to be signed prior to study; 5. patients underwent radical operation for gastrointestinal tumor under general anesthesia, with postoperative ileus (gastrointestinal dysfunction).