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FASCICOLI E ARTICOLI   I PIÙ LETTI   eTOC

ULTIMO FASCICOLOTHE JOURNAL OF CARDIOVASCULAR SURGERY

Rivista di Chirurgia Cardiaca, Vascolare e Toracica

Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,632

Periodicità: Bimestrale

ISSN 0021-9509

Online ISSN 1827-191X

 

The Journal of Cardiovascular Surgery 2007 Giugno;48(3):349-57

CARDIAC SECTION 

 ORIGINAL ARTICLES

Impact of complications on outcomes following aortic and mitral valve replacements in the United States

Allareddy V. 1, Ward M. M. 1, Ely J. W. 2, Allareddy V. 3, Levett J. 4

1 Department of Health Management and Policy, College of Public Health, The University of Iowa, E107 General Hospital, Iowa City,IA, USA
2 Department of Family Medicine, The University of Iowa University of Iowa Hospitals and Clinics Iowa City, IA, USA
3 Departments of Internal Medicine and Pediatrics MetroHealth Medical Center, Cleveland, OH, USA
4 Physicians’ Clinic of Iowa, Cedar Rapids, IA, USA

Aim. Heart valve replacement surgeries account for 20% of all cardiac procedures. In-hospital mortality rates are approximately 6% for aortic valve replacements and 10% for mitral valve replacements. The objectives of the study are to provide nationally representative estimates of complications following aortic and mitral valve replacements and to quantify the impact of different types of complications on in-hospital outcomes.
Methods. The Nationwide Inpatient Sample was analyzed for years 2000-2003. The effect of complications on in-hospital mortality, length of stay (LOS), and hospital charges were examined using bivariate and multivariable logistic and linear regression analyses. The confounding effects of age, sex, primary diagnosis, type of valve replacement, type of admission, comorbid conditions, and hospital characteristics were adjusted.
Results. A total of 43 909 patients underwent aortic valve replacement as the primary procedure during the study period and 16 516 patients underwent mitral valve replacement. Complications occurred in 35.2% of those undergoing aortic valve replacements and in 36.4% of those undergoing mitral valve replacements. Almost half of these are cardiac complications and a quarter involve hemorrhage/hematoma/seroma. Complications were significantly associated with in-hospital mortality, LOS, and hospital charges even after adjusting for patient and hospital characteristics.
Conclusion. Complications are prevalent and exert a considerable influence on outcomes following aortic and mitral valve replacements. Quality initiatives should focus on minimizing complications and improving processes of care that would enable complications to be better resolved if they occur.

lingua: Inglese


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