Comparison of the Effects of Aortic Valve Replacement Using 19-mm Carpentier-Edwards Perimount Bioprosthesis and 19-mm Medtronic Mosaic Bioprosthesis.

Comparison of the Effects of Aortic Valve Replacement Using 19-mm Carpentier-Edwards Perimount Bioprosthesis and 19-mm Medtronic Mosaic Bioprosthesis. Research Abstract Details 

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Comparison of the Effects of Aortic Valve Replacement Using 19-mm Carpentier-Edwards Perimount Bioprosthesis and 19-mm Medtronic Mosaic Bioprosthesis. Abstract Text:

Objective: Short (/=4 months)-term results of aortic valve replacement (AVR) using 19-mm Carpentier-Edwards Perimount (CEP) bioprosthetic valves and 19-mm Medtronic Mosaic (MM) bioprosthetic valves in patients with small aortic annulus were compared. Patients and Methods: At our facility, AVR was performed using bioprostheses in 110 patients from April 1999 to March 2006. Of these patients, 40 were treated using 19-mm CEP (Group C), and 9 using 19-mm MM (Group M). Evaluation by inquiry, physical examination, and echocardiography was performed before, a short term after, and a middle term after surgery, and the effects of AVR were compared. Results: The New York Heart Association (NYHA) functional class grade showed improvements in both groups. The aortic valve peak pressure gradient was 29.8 +/- 10.1 mmHg in Group C and 53.8 +/- 17.3 mmHg in Group M, being higher in Group M, a middle term after surgery. However, the left ventricular mass index (LVMI) showed improvements in both groups compared with the values before surgery, and the left ventricular ejection fraction (LVEF) was maintained. During the middle term after surgery, the frequency of cardiac events showed no significant difference between the two groups. Conclusions: In the patients treated with 19-mm MM, the aortic valve peak pressure gradient was higher than in those treated with 19-mm CEP, but acceptable improvements in the LVMI, maintenance of the LVEF, and avoidance of cardiac events were observed in both groups.

Comparison of the Effects of Aortic Valve Replacement Using 19-mm Carpentier-Edwards Perimount Bioprosthesis and 19-mm Medtronic Mosaic Bioprosthesis. Publishing Authors By Initials

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Comparison of the Effects of Aortic Valve Replacement Using 19-mm Carpentier-Edwards Perimount Bioprosthesis and 19-mm Medtronic Mosaic Bioprosthesis. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Annals of thoracic and cardiovascular surgery : of

VOLUME: 14

Page Numbers: 81-7

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ISSN: 1341-1098

DAY: 16

MONTH: Apr

YEAR: 2008

Comparison of the Effects of Aortic Valve Replacement Using 19-mm Carpentier-Edwards Perimount Bioprosthesis and 19-mm Medtronic Mosaic Bioprosthesis. Information

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LANGUAGE: eng

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AFFILIATION: Cardiovascular Surgery, Nagasaki University School of Medicine, Nagasaki, Japan.

Country: Japan

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MEDLINETA: Ann Thorac Cardiovasc Surg

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