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Comorbid Diabetes in Inflammatory Bowel Disease Predicts Adverse Disease-Related Outcomes and Infectious Complications.

TitleComorbid Diabetes in Inflammatory Bowel Disease Predicts Adverse Disease-Related Outcomes and Infectious Complications.
Publication TypeJournal Article
Year of Publication2020
AuthorsKumar A, Teslova T, Taub E, Miller JD, Lukin DJ
JournalDig Dis Sci
Date Published2020 Jul 02

BACKGROUND: Diabetes mellitus (DM) and inflammatory bowel diseases (IBD) are chronic systemic illnesses associated with chronic inflammation, dysbiosis, impaired immune function, and infection risk. The impact of DM in modifying disease activity in patients with IBD remains largely unknown.

AIM: To investigate the impact of DM on IBD-related disease outcomes, mortality, and infections in patients with IBD.

METHODS: We performed a longitudinal cohort analysis. Using a large institutional database, patients with concurrent IBD and DM (IBD-DM), and IBD without DM (IBD cohort), were identified and followed longitudinally to evaluate for primary (IBD-related) and secondary (mortality and infections) outcomes. Cox proportional hazards models were used to determine the independent effect of DM on each outcome, adjusting for confounding effects of covariates.

RESULTS: A total of 901 and 1584 patients were included in the IBD-DM and DM cohorts. Compared with IBD, IBD-DM had significantly higher risk of IBD-related hospitalization [adjusted hazard ratio (HR) 1.97, 95% confidence interval (1.71-2.28)], disease flare [HR 2.05 (1.75-2.39)], and complication [HR 1.54 (1.29-1.85)]. No significant difference was observed in the incidence of IBD-related surgery. All-cause mortality, sepsis, Clostridioides difficile infection (CDI), pneumonia, urinary tract infection, and skin infection were also more frequent in the IBD-DM than the IBD cohort (all pā€‰ā‰¤ā€‰0.05). Subgroup analysis of Crohn's disease (CD) and ulcerative colitis patients showed similar associations, except with an additional risk of surgery and no association with CDI in the CD-DM cohort.

CONCLUSION: Comorbid diabetes in patients with IBD is a predictor of poor disease-related and infectious outcomes.

Alternate JournalDig Dis Sci
PubMed ID32617771