Obstructive sleep apnea is associated with increased readmission in heart failure patients.

Obstructive sleep apnea is associated with increased readmission in heart failure patients.

Clin Cardiol. 2017 Jun 06;:

Authors: Sommerfeld A, Althouse AD, Prince J, Atwood CW, Mulukutla SR, Hickey GW

Abstract
BACKGROUND: Heart failure (HF) readmission rates have become an increasingly important quality metric since the advent of the Hospital Readmissions Reduction Program. Despite many well-intentioned efforts to reduce readmissions, clinicians continue to struggle with the problem of high HF readmission rates.
HYPOTHESIS: HF patients with obstructive sleep apnea (OSA) will have higher burden of rehospitalization and mortality than HF patients without OSA.
METHODS: Our study included 344 patient encounters (among 271 unique patients) with a diagnosis of HF from September 2014 through September 2015. Our primary endpoints were all-cause readmission within 30 and 90 days. Multivariate logistic regression was used to assess the relationship between OSA and readmission when accounting for potential confounders.
RESULTS: The patients' were 72 ± 10 years old, and predominantly white (76.2%) and male (99.4%). Among the 344 patient encounters, 247 (71.8%) had diagnosed coronary artery disease, 159 (46.2%) had atrial fibrillation, and 99 (28%) had obstructive sleep apnea (OSA). Notably, patients with OSA had an elevated rate of readmission within 30 days (OSA: 30.3% vs no OSA: 19.6%, P = 0.037) and within 90 days (OSA: 57.6% vs no OSA: 36.3P < 0.01). Patients with OSA had increased risk of readmission within 90 days (odds ratio: 2.38, 95% confidence interval: 1.47-3.83, P < 0.01) even after adjustment for potential confounders of age, race, obesity, diabetes, and chronic obstructive pulmonary disease.
CONCLUSIONS: HF patients with OSA have an elevated rate of readmission compared to the general HF population, particularly within the first 90 days after discharge.

PMID: 28586100 [PubMed - as supplied by publisher]

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