Abstract Title:

Increasing dietary fiber intake in terms of kiwifruit improves constipation in Chinese patients.

Abstract Source:

Eur J Pharmacol. 2008 Jun 10;587(1-3):273-80. Epub 2008 Apr 4. PMID: 17729399

Abstract Author(s):

Annie-On-On Chan, Gigi Leung, Teresa Tong, Nina-Yh Wong

Article Affiliation:

Department of Medicine, University of Hong Kong, Queen Mary Hospital, Hong Kong, China. [email protected]


AIM: To investigate if increased dietary fiber, in terms of kiwifruit, is effective in Chinese constipated patients. METHODS: 33 constipated patients and 20 healthy volunteers were recruited for a 4-wk treatment of kiwi fruit twice daily. Response during wk 1-4 was defined as an increase in complete spontaneous bowl, motion (CSBM)>or = 1/wk. Secondary efficacy included response during wk 1-4, individual symptoms and scores of bowel habits and constipation. Responses were compared with the baseline run-in period. Colonic transit time and anorectal manometry were performed before and after treatment. RESULTS: Responder rate was 54.5% in the constipated group. The mean CSBM increased after treatment (2.2 +/- 2.6 vs 4.4 +/- 4.6, P = 0.013). There was also improvement in the scores for bothersomeness of constipation (P = 0.02), and satisfaction of bowel habit (P = 0.001), and decreased in days of laxative used (P = 0.003). There was also improvement in transit time (P = 0.003) and rectal sensation (P<0.05). However, there was no change in the bowel symptoms or anorectal physiology in the healthy subjects. CONCLUSION: Increasing dietary fiber intake is effective in relieving chronic constipation in Chinese population.

Study Type : Human Study

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