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Complicated diverticulitis: is it time to rethink the rules?
Jennifer Chapman1, Michael Davies, Bruce Wolff
1Division of Colon and Rectal Surgery, Mayo Clinic and Mayo Foundation, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA.
Annals of Surgery
|September 30, 2005
Summary
Mortality from complicated diverticulitis (CD) is lower than previously reported. Current guidelines for elective surgery may need reevaluation, especially for patients without prior episodes or specific comorbidities.
Area of Science:
- Gastroenterology
- Surgical Outcomes
- Epidemiology
Background:
- Complicated diverticulitis (CD) knowledge is based on outdated data with high mortality.
- Current practice recommends elective resection after two diverticulitis episodes.
- This study aims to update understanding of CD morbidity, mortality, and outcomes.
Purpose of the Study:
- To determine current morbidity, mortality, and characteristics of complicated diverticulitis.
- To evaluate the effectiveness of current practice parameters for CD management.
- To identify factors associated with adverse outcomes in CD patients.
Main Methods:
- Retrospective analysis of 337 hospitalized CD patients.
- Statistical analysis using chi-squared and Fisher exact tests.
- Evaluation of patient characteristics, comorbidities, and treatment outcomes.
Main Results:
- Overall mortality rate was 6.5%, primarily associated with perforation.
- 53.4% of patients presented with CD as their first episode.
- Steroid use and comorbidities (diabetes, collagen-vascular disease, immune compromise) were significantly associated with mortality and morbidity.
Conclusions:
- Modern mortality rates for CD, excluding perforation, are lower than historical data.
- The high proportion of first-episode CD cases challenges the routine elective resection strategy.
- Further research is needed to identify optimal candidates for prophylactic resection, particularly immunocompromised individuals.