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  • Title: Increased Rate of Venous Thromboembolism in Hospitalized Inflammatory Bowel Disease Patients with Clostridium Difficile Infection.
    Author: Bhandari S, Mohammed Abdul MK, Dhakal B, Kreuziger LB, Saeian K, Stein D.
    Journal: Inflamm Bowel Dis; 2017 Oct; 23(10):1847-1852. PubMed ID: 28837518.
    Abstract:
    BACKGROUND: Risk of venous thromboembolism (VTE) in patients with inflammatory bowel disease (IBD) is well established; however, there is paucity of data on the potential added risk of VTE in patients with IBD with Clostridium difficile infection (CDI). We sought to study the difference in VTE rates in hospitalized patients with IBD with CDI compared to those without CDI. METHODS: We queried Nationwide Inpatient Sample from year 2011 to identify patients ≥18 years of age with a discharge diagnosis of IBD (i.e., Crohn's disease and ulcerative colitis) based on ICD-9-CM codes 555.xx and 556.xx, respectively. Patients were further divided into 2 groups: those with and without CDI. To adjust and control for potential baseline differences between groups, 1:1 propensity matching was performed. Multivariate regression analysis was used to evaluate the difference in VTE rates in 2 groups. RESULTS: Of 312,147 patients with the discharge diagnosis of IBD, 12,560 (4%) had CDI. VTE was present 6% in group with CDI versus 3% in group without CDI (P < 0.001). On performing multivariate analysis after propensity-score matching, CDI was significantly associated with VTE (adjusted odds ratio 1.7, 95% confidence interval 1.4-2.2, P < 0.001). On subgroup analysis, Crohn's disease with CDI had a higher association with VTE compared with Crohn's disease only. Similarly, ulcerative colitis with CDI had a higher association with VTE compared with ulcerative colitis only. CONCLUSIONS: Rate of VTE was higher in hospitalized patients with IBD with CDI compared with those without CDI, necessitating extra vigilance in this patient population.
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