Journal
CIRCULATION-HEART FAILURE
Volume 9, Issue 11, Pages -Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1161/CIRCHEARTFAILURE.116.003226
Keywords
catheterization; heart failure; hospitalization; International Classification of Diseases; pulmonary artery
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Funding
- National Institutes of Health
- Agency for Healthcare Research and Quality
- National Heart, Lung, and Blood Institute of the National Institutes of Health [K08HL 122527]
- National Center for Advancing Translational Sciences of the National Institutes of Health [UL1TR001105]
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Background-There has been an increase in the use of pulmonary artery (PA) catheters in heart failure (HF) in the United States in recent years. However, patterns of hospital use and trends in patient outcomes are not known. Methods and Results-In the National Inpatient Sample 2001 to 2012, using International Classification of Diseases-Ninth Revision codes, we identified 11 888 525 adult (>= 18 years) HF hospitalizations nationally, of which an estimated 75 209 (SE 0.6%) received a PA catheter. In 2001, the number of hospitals with >= 1 PA catheterization was 1753, decreasing to 1183 in 2011. The mean PA catheter use per hospital trended from 4.9 per year in 2001 (limits 1-133) to 3.8 per year in 2007 (limits 1-46), but increased to 5.5 per year in 2011 (limits 1-70). During 2001 to 2006, PA catheterization declined across hospitals; however, in 2007 to 2012, there was a disproportionate increase at hospitals with large bedsize, teaching programs, and advanced HF capabilities. The overall in-hospital mortality with PA catheter use was higher than without PA catheter use (13.1% versus 3.4%; P<0.0001); however, in propensity-matched analysis, differences in mortality between these groups have attenuated over time-risk-adjusted odds ratio for mortality for PA catheterization, 1.66 (95% confidence interval, 1.60-1.74) in 2001 to 2003 down to 1.04 (95% confidence interval, 0.97-1.12) in 2010 to 2012. Conclusions-There is substantial hospital-level variability in PA catheterization in HF along with increasing volume at fewer hospitals over-represented by large, academic hospitals with advanced HF capabilities. This is accompanied by a decline in excess mortality associated with PA catheterization.
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