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Related Experiment Video

Updated: May 8, 2026

Analyzing Beneficial Effects of Nutritional Supplements on Intestinal Epithelial Barrier Functions During Experimental Colitis
08:58

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Published on: January 5, 2017

Dietary modifications to prevent recurrent diverticulitis.

Jamie Schnuck Olapo1, Sarah A Gunby2, Lisa L Strate3

  • 1Department of Surgery, University of Washington, Seattle, WA, USA.

BMC Research Notes
|May 7, 2026
PubMed
Summary

Patients with diverticulitis often change their diet to prevent recurrence. A survey found high-fiber and Mediterranean diets are most common, suggesting openness to dietary research for managing diverticulitis.

Keywords:
Dietary patternsDiverticulitisMediterranean dietRecurrence

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Area of Science:

  • Gastroenterology
  • Dietary Science
  • Public Health

Background:

  • Diverticulitis affects millions annually, causing significant pain and healthcare costs.
  • Recurrence rates for diverticulitis are high, between 20-50% post-episode.
  • While dietary factors influence initial diverticulitis risk, evidence for preventing recurrence is limited.

Purpose of the Study:

  • To understand dietary modifications patients with diverticulitis history are attempting.
  • To assess patient engagement with dietary changes for symptom management and recurrence prevention.

Main Methods:

  • A survey was conducted among 430 individuals with a history of diverticulitis.
  • The survey collected data on attempted dietary changes and adherence levels.

Main Results:

  • High-fiber diets were adopted by 59% of respondents.
  • The Mediterranean diet was adopted by 26% of respondents.
  • Among Mediterranean diet adopters, 45% had modest adherence and 20% had strict/high adherence.

Conclusions:

  • Patients frequently implement dietary changes following a diverticulitis episode.
  • The high adoption rates suggest patient willingness to engage with dietary interventions.
  • Further research into effective dietary strategies for diverticulitis recurrence is warranted and likely to be well-received.