The Journal of heart valve disease · 2010
Aortic valve replacement in octogenarians: analysis of risk factors for early and late mortality.
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Nicolini Francesco, Beghi Cesare, Barbieri Fabio, Secchi Piercesare, Agostinelli Andrea, Fragnito Claudio, Spaggiari Igino, Gherli Tiziano
Аннотация
BACKGROUND AND AIM OF THE STUDY: Cardiac surgery can be performed on elderly patients in good physical and mental health, thus improving their mortality, morbidity, and quality of life. Nevertheless, for some elderly patients aortic valve replacement (AVR) is still denied because of the presence of preoperative characteristics, such as older age and left ventricular dysfunction. The study aim was to review early and long-term results in patients aged > or = 80 years who underwent AVR for severe aortic stenosis, and to identify risk factors for in-hospital and late mortality.
METHODS: A total of 165 patients (mean age 82 +/- 2.1 years) underwent AVR for severe aortic stenosis, with or without concomitant coronary revascularization, at the authors' institution. The mean aortic valve area was 0.61 +/- 0.2 cm2. Preoperatively, 20 patients (12%) had a left ventricular ejection fraction < 35%. The mean EuroSCORE was 9.45 +/- 1.52.
RESULTS: Seven patients (4%) experienced low cardiac output syndrome, and acute renal failure occurred in 24. No perioperative myocardial infarction, stroke or sternal wound infection was detected. In total, 23 patients (14%) required prolonged ventilatory support. The in-hospital mortality was 3%. After a mean follow up of 43 +/- 35.6 months there were 18 late deaths: the cardiac-related mortality was 7%. The mean NYHA class was improved from 2.86 +/- 0.67 to 1.44 +/- 0.57 (p < 0.0001).
CONCLUSION: Conventional AVR remains the standard of care, and can be performed with satisfactory in-hospital mortality, long-term life expectancy and quality of life in high-risk elderly patients. Although the transcatheter aortic valve technique seems to be a promising option, its long-term value must be established in prospective, randomized trials.
METHODS: A total of 165 patients (mean age 82 +/- 2.1 years) underwent AVR for severe aortic stenosis, with or without concomitant coronary revascularization, at the authors' institution. The mean aortic valve area was 0.61 +/- 0.2 cm2. Preoperatively, 20 patients (12%) had a left ventricular ejection fraction < 35%. The mean EuroSCORE was 9.45 +/- 1.52.
RESULTS: Seven patients (4%) experienced low cardiac output syndrome, and acute renal failure occurred in 24. No perioperative myocardial infarction, stroke or sternal wound infection was detected. In total, 23 patients (14%) required prolonged ventilatory support. The in-hospital mortality was 3%. After a mean follow up of 43 +/- 35.6 months there were 18 late deaths: the cardiac-related mortality was 7%. The mean NYHA class was improved from 2.86 +/- 0.67 to 1.44 +/- 0.57 (p < 0.0001).
CONCLUSION: Conventional AVR remains the standard of care, and can be performed with satisfactory in-hospital mortality, long-term life expectancy and quality of life in high-risk elderly patients. Although the transcatheter aortic valve technique seems to be a promising option, its long-term value must be established in prospective, randomized trials.