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Mortality and readmission rates in patients hospitalized for acute decompensated heart failure: a comparison between cardiology and general-medicine service outcomes in an underserved population.
Clin Cardiol. 2015 Mar;38(3):131-8
Authors: Selim AM, Mazurek JA, Iqbal M, Wang D, Negassa A, Zolty R
Abstract
BACKGROUND: With recent legislation imposing penalties on hospitals for above-average 30-day all-cause readmissions for patients with acute decompensated heart failure (ADHF), there is concern these penalties will more heavily impact hospitals serving socioeconomically vulnerable and underserved populations.
HYPOTHESIS: Patients with ADHF and low socioeconomic status have better postdischarge mortality and readmission outcomes when cardiologists are involved in their in-hospital care.
METHODS: We retrospectively searched the electronic medical record for patients hospitalized for ADHF from 2001 to 2010 in 3 urban hospitals within a large university-based health system. These patients were divided into 2 groups based on whether a cardiologist was involved in their care or not. Measured outcomes were 30- and 60-day postdischarge mortality and readmission rates.
RESULTS: Out of the 7516 ADHF patients, 1434 patients were seen by a cardiologist (19%). These patients had lower 60-day mortality (5.4% vs 7.0%; hazard ratio [HR]: 0.70, 95% confidence interval [CI]: 0.52-0.96, P = 0.034) and lower 30- and 60-day readmission rates (16.7% vs 20.6%; HR: 0.76, 95% CI: 0.66-0.89, P = 0.002, and 26.1% vs 30.2%; HR: 0.81, 95% CI: 0.72-0.92, P = 0.003, respectively). There was no significant difference in the in-hospital mortality between the 2 groups. Compared with other races, whites with systolic HF have marginally lower HF-related readmission rates when treated by cardiologists.
CONCLUSIONS: In this cohort of ADHF patients from the Bronx, New York, involvement of a cardiologist resulted in improved short-term mortality and readmission outcomes compared with treatment by general internal medicine.
PMID: 25694226 [PubMed - indexed for MEDLINE]