Outpatient Gastroenterology follow-up reduces GI-specific readmissions among patients with acute severe ulcerative colitis

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Abstract/Contents

Abstract
Ulcerative colitis (UC) is a form of inflammatory bowel disease (IBD) that is characterized by pathologic inflammation and ulcerations in the colon resulting in bloody bowel movements, anemia and malnutrition with a relapsing and remitting course. Hospitalization for disease flares is common in cases with a severe phenotype and requires intensive monitoring and intravenous therapies; readmission within 30 days occurs in up to 18% of patients, for which the most common indication is disease flare. Readmissions are associated with increased morbidity, mortality, as well as costs, but the importance of post-discharge follow-up with a gastroenterology specialist as well as the optimal interval are unknown. We conducted a retrospective cohort study of 223 patients with medically-managed ulcerative colitis who were admitted to the Stanford University Hospital between 2010 and 2020. We included adult patients with UC who were admitted for a UC flare. Patients with a colectomy by time of discharge or who were diagnosed with Clostridium difficile infection at the index hospitalization were excluded. The primary outcome was time to readmission for a GI-related indication, and the primary predictor of interest was follow-up with a gastroenterology provider. Patients were censored 180 days after discharge. At the index hospitalization, 60.9% had pan-colitis, and 87.9% had moderate-to-severely active endoscopic disease. Follow-up occurred within 7 days in 65 patients (29%), within 30 days in 153 patients (68.7%), and within 180 days in 198 patients (89%). Readmission occurred in 57 patients (25%); 31 happened within 30 days for a 30-day readmission rate of 13.9%. In the Cox proportional hazards model adjusted for age, sex, and albumin level using follow-up with a gastroenterology provider as a time-dependent predictor, follow-up was associated with fewer readmissions (hazard ratio 0.42, 95% confidence interval 0.22-0.81, p=0.009). In particular, follow-up within 7 days after discharge (occurred in 65 patients) was strongly associated with reduced risk of subsequent readmission (HR 0.24, 95% CI 0.09-0.69, p-0.008). Via the log-rank test for trend, earlier follow-up was found to be associated with fewer less readmissions (p<0.0001). Our analysis demonstrates the benefits of early post-discharge follow-up in patient, which may represent an important approach to reduce the burdens of readmissions in this patient group.

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Type of resource text
Date created June 3, 2022
Date modified December 5, 2022
Publication date June 3, 2022

Creators/Contributors

Author Barber, Grant
Author Zhuo, Justin
Author Okafor, Philip
Author Chen, Ying
Author Hsing, Ann
Author Streett, Sarah

Subjects

Subject Inflammatory bowel diseases
Subject Ulcerative colitis
Subject readmission
Subject follow-up
Genre Text
Genre Thesis

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Barber, G., Zhuo, J., Okafor, P., Chen, Y., Hsing, A., and Streett, S. (2022). Outpatient Gastroenterology follow-up reduces GI-specific readmissions among patients with acute severe ulcerative colitis. Stanford Digital Repository. Available at https://purl.stanford.edu/cw697vd3058

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Epidemiology & Clinical Research Masters Theses

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