Twelve-year experience with the Carpentier-Edwards pericardial aortic valve at a single Japanese center.
Summary of "Twelve-year experience with the Carpentier-Edwards pericardial aortic valve at a single Japanese center."
Our aim was to evaluate the long-term results of implantation of the Carpentier-Edwards pericardial (CEP) valve in the aortic position. Between January 1996 and December 2007, 244 patients who underwent aortic valve replacement using the CEP valve were enrolled in this study. A 19-mm valve was used in 39 patients, a 21-mm valve in 94 patients, a 23-mm valve in 81 patients, and a 25-mm valve in 30 patients. The early and the late results were evaluated. Furthermore, echocardiographic examination was performed at follow-up. There were 5 early deaths, with an early mortality rate of 2.0%. Follow-up was performed in 95.4% of the survivors of the operation for a mean period of 4.1 years. Actuarial survival rates at 5, 10, and 12 years were 85.3 ± 2.8, 80.0 ± 3.7 and 70.0 ± 9.8%, respectively. Thromboembolism was observed in 6 patients, endocarditis in 2 patients, reoperation in 4 patients, and structural valve deterioration in 2 patients. Actuarial freedoms from thromboembolism, endocarditis, and reoperation at 10 years were 96.9 ± 0.14, 97.7 ± 0.16, and 97.0 ± 0.16%, respectively. Echocardiographic examination revealed that the pressure gradients across the valve prosthesis for valves of each size were acceptable. Left ventricular mass index decreased significantly in all valve sizes. The long-term results of implantation of the CEP bioprosthesis in the aortic position were satisfactory. The CEP bioprosthesis maintained its hemodynamic performance even as late as 10 years after implantation.
Department of Surgery, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan, email@example.com.
This article was published in the following journal.
Name: Journal of artificial organs : the official journal of the Japanese Society for Artificial Organs
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/21534012
- DOI: http://dx.doi.org/10.1007/s10047-011-0566-8
Medical and Biotech [MESH] Definitions
Small clusters of chemoreceptive and supporting cells located near the ARCH OF THE AORTA; the PULMONARY ARTERIES; and the coronary arteries. The aortic bodies sense PH; CARBON DIOXIDE; and oxygen concentrations in the BLOOD and participate in the control of RESPIRATION. The aortic bodies should not be confused with the PARA-AORTIC BODIES in the abdomen (which are sometimes also called aortic bodies).
Small masses of chromaffin cells found near the SYMPATHETIC GANGLIA along the ABDOMINAL AORTA, beginning cranial to the superior mesenteric artery (MESENTERIC ARTERY, SUPERIOR) or renal arteries and extending to the level of the aortic bifurcation or just beyond. They are also called the organs of Zuckerkandl and sometimes called aortic bodies (not to be confused with AORTIC BODIES in the THORAX). The para-aortic bodies are the dominant source of CATECHOLAMINES in the FETUS and normally regress after BIRTH.
Pericardial Window Techniques
Surgical construction of an opening or window in the pericardium. It is often called subxiphoid pericardial window technique.
Aortic Valve Insufficiency
Pathological condition characterized by the backflow of blood from the ASCENDING AORTA back into the LEFT VENTRICLE, leading to regurgitation. It is caused by diseases of the AORTIC VALVE or its surrounding tissue (aortic root).
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