Appendix, Gallbladder and Surgical Emergencies · 20 April 2026

Diverticulitis Admissions Show Seasonal Patterns Worldwide

Diverticulitis incidence peaks in warmer months, highlighting potential environmental triggers.

1.1 million cases across 8 studies show a summer/autumn peak and winter trough, with amplitude variation of 16% to 27%.
Phase reversal observed between hemispheres confirms this pattern.

Surgeons should consider seasonal trends when making preoperative assessments and advising patients on preventive measures.

Further research is needed to identify specific modifiable risk factors linked to these patterns.

Journal Article by Cheng E, Yeh D (…) Sarofim M et 3 al. in JAMA Surg

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