• Benjamin G Hassid, Julia Wei, Dana Sax, and Fernando S Velayos.
• Department of Gastroenterology, The Permanente Medical Group, Oakland Medical Center, Oakland, California, USA.
• Acad Emerg Med. 2024 Jan 1; 31 (1): 283528-35.

ObjectivesPatients with inflammatory bowel disease (IBD) need frequent emergency care due to flares of their disease. However, understanding which patients are most vulnerable to repeat emergency care due to recurrent flares of their disease remains poor.MethodsThis was a retrospective cohort study of Kaiser Permanente Northern California health plan members aged ≥18 years between 2009 and 2018. Our primary outcome was occurrence of repeat emergency department (ED) visits with a primary diagnosis code of IBD in the 6 months following their index ED visit. Baseline characteristics and clinical service use patterns were extracted. We used multivariable negative binomial regression analysis to measure the incident risk of a recurrent ED visit within 6 months.ResultsWe found 2111 patients who met eligibility criteria, of whom 56.7% were female and 39.7% were non-White. During the 6-month observation period, 19.3% (n = 408) returned to the ED for a second IBD flare. In adjusted analyses, we found older age (incident risk ratio [IRR] 0.44, 95% confidence interval [CI] 0.31-0.62 for age 60+ compared to 18-30), higher neighborhood household income (IRR 0.80, 95% CI 0.65-0.98 for income ≥$85,000), and diagnosis of alcohol use disorder were associated with a lower risk of repeat ED utilization (IRR 0.62, 95% CI 0.41-0.93), while presence of mood disorder (IRR 1.26, 95% CI 1.03-1.58), history of opiate prescription (IRR 1.38, 95% CI 1.10-1.73), and corticosteroid prescription (IRR 1.57, 95% CI 1.27-1.95) were associated with increased risk of repeat ED utilization. Prompt outpatient follow-up was not associated with a lower odds of recurrent ED utilization (IRR 0.93, 95% CI 0.75-1.15).ConclusionsOur study identified multiple patient characteristics associated with higher recurrent short-term use of the ED for IBD care. Although we did not find prompt outpatient follow-up after initial ED visit to be protective, targeted interventions directed at high-risk individuals based on mood disorders, opiate use, or steroid use may help to optimize care and health care utilization.© 2023 Society for Academic Emergency Medicine.

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