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Hospital Readmissions Among Patients With Decompensated Cirrhosis

Volk, Michael L MD, MSc1; Tocco, Rachel S MA1; Bazick, Jessica MD2; Rakoski, Mina O MD1; Lok, Anna S MD1

American Journal of Gastroenterology: February 2012 - Volume 107 - Issue 2 - p 247–252
doi: 10.1038/ajg.2011.314
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OBJECTIVES: Early rehospitalizations have been well characterized in many disease states, but not among patients with cirrhosis. The aims of this study were to identify the frequency, costs, predictors, and preventable causes of hospital readmissions among patients with decompensated cirrhosis.

METHODS: Rates of readmission were calculated for 402 patients discharged after one of the following complications of cirrhosis: ascites, spontaneous bacterial peritonitis, renal failure, hepatic encephalopathy, or variceal hemorrhage. Costs of readmissions were calculated using the hospital accounting system. Predictors of time to first readmission were determined using Cox regression, and predictors of hospitalization rate/person-years were determined using negative binomial regression. The independent association between readmission rate and mortality was determined using Cox regression. Admissions within 30 days of discharge were assessed by two reviewers to determine if preventable.

RESULTS: Overall, 276 (69%) subjects had at least one nonelective readmission, with a median time to first readmission of 67 days. By 1 week after discharge, 14% of subjects had been readmitted, and 37% were readmitted within 1 month. The mean costs for readmissions within 1 week and between weeks 1 and 4 were $28,898 and $20,581, respectively. During a median follow-up of 203 days, the median number of readmissions was 2 (range 0–40), with an overall rate of 3 hospitalizations/person-years. Patients with more frequent readmissions had higher risk of subsequent mortality, despite adjustment for confounders including the Model for End-stage Liver Disease (MELD) score. Predictors of time to first readmission included MELD score, serum sodium, and number of medications on discharge; predictors of hospitalization rate included these variables as well as the number of cirrhosis complications and being on the transplant list at discharge. Among 165 readmissions within 30 days, 22% were possibly preventable.

CONCLUSIONS: Hospital readmissions among patients with decompensated cirrhosis are common, costly, moderately predictable, in some cases, possibly preventable, and independently associated with mortality. These findings support the development of disease management interventions to prevent rehospitalization.

1 Division of Gastroenterology and Hepatology, University of Michigan, Ann Arbor, Michigan, USA

2 Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA

Correspondence: Michael L. Volk, MD, MSc, Division of Gastroenterology and Hepatology, University of Michigan Health System, 300 N Ingalls, 7C27, Ann Arbor, Michigan 48109, USA. E-mail: mvolk@med.umich.edu

Received 5 April 2011; accepted 9 August 2011

published online 20 September 2011

© The American College of Gastroenterology 2012. All Rights Reserved.
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