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Despite the significant global burden of gastroenteritis and resulting sequelae, there is limited evidence on risk factors for sequelae development. We updated and extended previous systematic reviews by assessing the role of antibiotics, proton pump inhibitors (PPI) and symptom severity in the development of sequelae following campylobacteriosis and salmonellosis. We searched four databases, including PubMed, from 1 January 2011 to 29 April 2016. Observational studies reporting sequelae of reactive arthritis (ReA), Reiter's syndrome (RS), irritable bowel syndrome (IBS) and Guillain-Barré syndrome (GBS) following gastroenteritis were included. The primary outcome was incidence of sequelae of interest amongst cases of campylobacteriosis and salmonellosis. A narrative synthesis was conducted where heterogeneity was high. Of the 55 articles included, incidence of ReA (n=37), RS (n=5), IBS (n=12) and GBS (n=9) were reported following campylobacteriosis and salmonellosis. A pooled summary for each sequela was not estimated due to high level of heterogeneity across studies (I2>90%). PPI usage and symptoms were sparsely reported. Three out of seven studies found a statistically significant association between antibiotics usage and development of ReA. Additional primary studies investigating risk modifying factors in sequelae of GI infections are required to enable targeted interventions.

Original publication

DOI

10.1016/j.ebiom.2016.12.006

Type

Journal article

Journal

EBioMedicine

Publication Date

02/2017

Volume

15

Pages

100 - 111

Keywords

Acid suppression, Antibiotics, Campylobacter, Gastroenteritis, Salmonella, Sequelae, Anti-Bacterial Agents, Campylobacter, Campylobacter Infections, Gastroenteritis, Humans, Incidence, Risk Factors, Salmonella, Salmonella Infections