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International Journal of Colorectal Disease
Published in: International Journal of Colorectal Disease 10/2017

Open Access 01-10-2017 | Review

Risk factors for complicated diverticulitis: systematic review and meta-analysis

Authors: H. E. Bolkenstein, B. J. M. van de Wall, E. C. J. Consten, I. A. M. J. Broeders, W. A. Draaisma

Published in: International Journal of Colorectal Disease | Issue 10/2017

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Abstract

Purpose

The aim of this systematic review is to identify risk factors that can predict complicated diverticulitis. Uncomplicated diverticulitis is a self-limiting and mild disease, but 10% of patients with diverticulitis develop complications requiring further treatment. It is important to estimate the risk of developing complicated diverticulitis at an early stage to set the right treatment at initial presentation.

Methods

Embase, MEDLINE, and Cochrane databases were searched for studies reporting on risk factors for complicated diverticulitis. Complicated diverticulitis was defined as Hinchey ≥Ib or severe diverticulitis according to the Ambrosetti criteria. Meta-analyses were performed when at least four studies reported on the outcome of interest. This study was conducted according to the PRISMA guidelines.

Results

A total of 12 studies were included with a total of 4619 patients. Most were of reasonable quality. Only the risk factors “age” and “sex” were eligible for meta-analysis, but none showed a significant effect on the risk for complicated diverticulitis. There was reasonable quality of evidence suggesting that high C-reactive protein; white blood cell count; clinical signs including generalized abdominal pain, constipation and vomiting; steroid usage; a primary episode; and comorbidity are risk factors for complicated diverticulitis.

Conclusion

Although high-level evidence is lacking, this study identified several risk factors associated with complicated diverticulitis. Individually, these risk factors have little value in predicting the course of diverticulitis. The authors propose a prognostic model combining these risk factors which might be the next step to aid the physician in predicting the course of diverticulitis and setting the right treatment at initial presentation.
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Metadata
Title
Risk factors for complicated diverticulitis: systematic review and meta-analysis
Authors
H. E. Bolkenstein
B. J. M. van de Wall
E. C. J. Consten
I. A. M. J. Broeders
W. A. Draaisma
Publication date
01-10-2017
Publisher
Springer Berlin Heidelberg
Published in
International Journal of Colorectal Disease / Issue 10/2017
Print ISSN: 0179-1958
Electronic ISSN: 1432-1262
DOI
https://doi.org/10.1007/s00384-017-2872-y

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