Valve Structure and Survival in Quadragenarians Having Aortic Valve Replacement for Aortic Stenosis (±Aortic Regurgitation) With Versus Without Coronary Artery Bypass Grafting at a Single US Medical Center (1993 to 2005)

The purpose of this study was to determine the effect of simultaneous coronary artery bypass grafting (CABG) and the influence of valve structure on both early and late survival in quadragenarians having aortic valve replacement (AVR) for aortic stenosis (AS) (with or without aortic regurgitation)....

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Veröffentlicht in:The American journal of cardiology 2007-12, Vol.100 (11), p.1683-1690
Hauptverfasser: Roberts, William Clifford, MD, Ko, Jong Mi, BA, Filardo, Giovanni, PhD, MPH, Kitchens, Benjamin L, Henry, Albert Carl, MD, Hebeler, Robert Frederick, MD, Cheung, Edson Hoi-Kam, MD, Matter, Gregory John, MD, Hamman, Baron Lloyd, MD
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Sprache:eng
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Zusammenfassung:The purpose of this study was to determine the effect of simultaneous coronary artery bypass grafting (CABG) and the influence of valve structure on both early and late survival in quadragenarians having aortic valve replacement (AVR) for aortic stenosis (AS) (with or without aortic regurgitation). We analyzed survival and valve structure in 48 adults (12 women), aged 40 to 49 years, having AVR for AS from 1993 through 2005 at Baylor University Medical Center, including 7 (15%) with and 41 (85%) without simultaneous CABG. Of the 48 quadragenarians, none died within 60 days of operation. Assessment of the relation between long-term survival and gender, aortic valve structure, preoperative severity of the AS, and concomitant CABG was not possible due to the low mortality. Four patients (9%) died >60 days after AVR: at 1.8, 6.3, 7.1, and 9.9 years, respectively. The aortic valve was congenitally unicuspid in 15 patients (31%), congenitally bicuspid in 32 (67%), and 3-cuspid in 1 (2%). In conclusion, of the 48 quadragenarians having AVR for AS, 47 (98%) had a congenitally malformed aortic valve, 60-day mortality was zero, and late mortality was low (8%).
ISSN:0002-9149
1879-1913
DOI:10.1016/j.amjcard.2007.08.027