Mode of delivery does not affect the risk of inflammatory bowel disease

Catarina Frias Gomes, Neeraj Narula, Bárbara Morão, Paulo Nicola, Marília Cravo, Joana Torres*

*Autor correspondente para este trabalho

Resultado de pesquisarevisão de pares

7 Citações (Scopus)


Background: Recent evidence suggests that exposures in early life that are known to influence microbiome development may affect the risk of developing inflammatory bowel disease (IBD). Cesarean section has been associated with altered colonization of commensal gut flora and is thought to predispose to immune-mediated diseases later in life. Aims: To evaluate the risk of IBD, Crohn’s Disease (CD), and Ulcerative Colitis (UC) according to mode of delivery (C-section vs vaginal delivery). Methods: A systematic search was performed in PubMed and Embase. The primary outcome was the risk of IBD in individuals delivered vaginally compared to those born by C-section. Secondary outcomes were UC and CD risk according to mode of delivery and IBD risk in individuals born by emergent compared to elective C-section. Publication bias was evaluated by funnel plots and Egger’s test. Study’s quality was characterized using the Newcastle–Ottawa Scale. Results: Ten studies fulfilled the inclusion criteria, of which seven were population-based. No publication bias was detected. Overall, 14.164 IBD patients and 4.206.763 controls were included. Being born by C-section was not associated with increased risk of IBD [OR 1.01, 95% CI (0.81–1.27), p = 0.92], CD [OR 1.15, 95% CI (0.94–1.42), p = 0.18] or UC [OR 0.94, 95% CI (0.61–1.45), p = 0.79]. No differences were found between emergent and elective C-section in IBD [OR 1.05, 95% CI (0.59–1,87), p = 0.87]. Substantial heterogeneity was found in statistical analysis, and further studies are needed. Conclusion: Overall, the risk of developing IBD was not affected by mode of delivery.

Idioma originalEnglish
Páginas (de-até)398-407
Número de páginas10
RevistaDigestive Diseases and Sciences
Número de emissão2
Estado da publicaçãoPublicado - fev. 2021
Publicado externamenteSim

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