Background: Postoperative gastrointestinal dysfunction remains a major determinant of the duration of stay after complex abdominal surgery. This study was performed to evaluate the effectiveness of heated fennel therapy in accelerating the recovery of gastrointestinal function.
Methods: This surgeon-blinded, prospective randomized controlled study included 381 patients with hepatobiliary, pancreatic, and gastric tumors who were divided into 2 groups. The patients in the experimental groups received heated fennel therapy, and those in the control groups received heated rice husk therapy. We compared the baseline characteristics, time to first postoperative flatus and defecation, fasting time, duration of postoperative hospital stay, grading of abdominal pain, classification of abdominal distension, inflammatory markers, and nutritional status indicators.
Results: The time to first flatus and first defecation and the fasting time were statistically significantly less in the heated fennel therapy group than those in the control groups (P < .05 each); and abdominal distension was also relieved in the experimental groups (P < .001). Heated fennel therapy had no obvious beneficial effect on inflammatory markers but improved the serum albumin (ALB) level of the patients at postop day 9 (P < .001). Among the patients with alimentary tract reconstruction, those in the heated fennel therapy group had a clinically important, lesser hospital stay than those in the control group (9.2 5 ± 5.1 versus 11.1 ± 6.4; P < .023).
Conclusion: Heated fennel therapy facilitated the gastrointestinal motility function of patients early postoperatively.
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