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- Title
Aortic Valve Leaflet Replacement with Bovine Pericardium to Preserve Native Dynamic Capabilities of the Aortic Annulus.
- Authors
Kyung Hwa Kim; Jong Bum Choi; Min Ho Kim; Won Ho Kim; Mi Kyung Lee; Sam Youn Lee
- Abstract
Valve replacement Is typically the most appropriate option for treating aortic valve stenotic Insufficiency. However, neither mechanical nor bioprosthetic replacement components preserve the circumferential expansion and contraction of a native aortic annulus during the cardiac cycle, because the prosthetic ring is affixed to the annulus. A 64-year-old man presented with a bicuspid and stenotic aortic valve, and the native annulus was too small to accommodate a porcine replacement valve. We fashioned new aortic leaflets from bovine pericardium with use of a template, and we affixed the sino-tubular junction with use of inner and outer stabilization rings. Postoperative echocardiograms revealed coaptation of the 3 new leaflets with no regurgitation. At the patient's 5.5-year follow-up examination, echocardiograms showed flexible leaflet movement with a coaptation height of 7 mm, and expansion and contraction of the aortic annulus similar to that of a normal native annulus. The transvalvular pressure gradient was insignificant. If long-term durability of the new leaflets is confirmed, this method of leaflet replacement and fixation of the sinotubular junction might serve as an acceptable alternative to valve replacement in the treatment of aortic valve stenosis. We describe the patient's case and present our methods and observations
- Subjects
AORTIC valve insufficiency treatment; PERICARDIUM; AORTIC stenosis; PATIENTS; AORTIC valve diseases
- Publication
Texas Heart Institute Journal, 2014, Vol 41, Issue 1, p97
- ISSN
1526-6702
- Publication type
Article
- DOI
10.14503/THIJ-12-2983