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Effects of Burdock tea on recurrence of colonic diverticulitis and diverticular bleeding: An open-labelled randomized

Akira Mizuki1, Masayuki Tatemichi2, Atsushi Nakazawa3

  • 1Department of Internal Medicine, Keiyu Hospital, Yokohama, Japan. amizuki2@yahoo.co.jp.

Scientific Reports
|May 3, 2019
PubMed

Insights

Burdock tea effectively prevents acute colonic diverticulitis (ACD) recurrence. However, it did not show significant preventive effects on colonic diverticular bleeding (CDB) recurrence in this study.

Area of Science:

  • Gastroenterology
  • Clinical Nutrition
  • Herbal Medicine

Background:

  • Colonic diverticular bleeding (CDB) and acute colonic diverticulitis (ACD) have high recurrence rates.
  • Preventing recurrence of CDB and ACD is a significant clinical concern for gastroenterologists.

Purpose of the Study:

  • To evaluate the efficacy of burdock tea in preventing recurrences of CDB and ACD.
  • To assess burdock tea as a potential preventative strategy for these conditions.

Main Methods:

  • A randomized clinical trial involving patients newly diagnosed with CDB or ACD.
  • Patients were assigned to either a burdock tea group (1.5g three times daily) or a control group.
  • Recurrence rates and recurrence-free duration were monitored and compared between groups using Kaplan-Meier analysis and log-rank tests.

Main Results:

  • Burdock tea significantly reduced ACD recurrence rates (10.6% vs. 31.8%) and increased recurrence-free duration (59.3 vs. 45.1 months).
  • No significant preventive effect of burdock tea was observed for CDB recurrence.
  • Statistical significance for ACD prevention was confirmed by log-rank test (p=0.012).

Conclusions:

  • Daily intake of burdock tea is a potentially effective strategy for preventing acute colonic diverticulitis recurrence.
  • Burdock tea does not appear to be effective in preventing colonic diverticular bleeding recurrence.
  • Further research may explore mechanisms and optimal use of burdock tea in ACD management.

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