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JAMA. 2010 Jun 2;303(21):2141-7. doi: 10.1001/jama.2010.748.

Trends in length of stay and short-term outcomes among Medicare patients hospitalized for heart failure, 1993-2006.

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  • 1Department of Cardiology, Hospital General Universitario Gregorio Marañón, Madrid, Spain.

Abstract

CONTEXT:

Whether decreases in the length of stay during the past decade for patients with heart failure (HF) may be associated with changes in outcomes is unknown.

OBJECTIVE:

To describe the temporal changes in length of stay, discharge disposition, and short-term outcomes among older patients hospitalized for HF.

DESIGN, SETTING, AND PARTICIPANTS:

An observational study of 6,955,461 Medicare fee-for-service hospitalizations for HF between 1993 and 2006, with a 30-day follow-up.

MAIN OUTCOME MEASURES:

Length of hospital stay, in-patient and 30-day mortality, and 30-day readmission rates.

RESULTS:

Between 1993 and 2006, mean length of stay decreased from 8.81 days (95% confidence interval [CI], 8.79-8.83 days) to 6.33 days (95% CI, 6.32-6.34 days). In-hospital mortality decreased from 8.5% (95% CI, 8.4%-8.6%) in 1993 to 4.3% (95% CI, 4.2%-4.4%) in 2006, whereas 30-day mortality decreased from 12.8% (95% CI, 12.8%-12.9%) to 10.7% (95% CI, 10.7%-10.8%). Discharges to home or under home care service decreased from 74.0% to 66.9% and discharges to skilled nursing facilities increased from 13.0% to 19.9%. Thirty-day readmission rates increased from 17.2% (95% CI, 17.1%-17.3%) to 20.1% (95% CI, 20.0%-20.2%; all P < .001). Consistent with the unadjusted analyses, the 2005-2006 risk-adjusted 30-day mortality risk ratio was 0.92 (95% CI, 0.91-0.93) compared with 1993-1994, and the 30-day readmission risk ratio was 1.11 (95% CI, 1.10-1.11).

CONCLUSION:

For patients admitted with HF during the past 14 years, reductions in length of stay and in-hospital mortality, less marked reductions in 30-day mortality, and changes in discharge disposition accompanied by increases in 30-day readmission rates were observed.

PMID:
20516414
[PubMed - indexed for MEDLINE]
PMCID:
PMC3020983
Free PMC Article
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