1.Aortic Valve Re-Replacement with Aortic Root Enlargement for Aortic Valvular Stenosis after Aortic Valve Implantation with a Freestyle Stentless Porcine Valve
Ichiro Matsumaru ; Kiyoyuki Eishi ; Shiro Yamachika ; Shiro Hazama ; Tsuneo Ariyoshi ; Hideaki Takai ; Shun Nakaji ; Kuniko Abe ; Tomayoshi Hayashi
Japanese Journal of Cardiovascular Surgery 2004;33(6):425-428
We present a successfully treated case of re-operation for aortic valvular stenosis caused by implantation of a stentless prosthesis using oversizing sub-coronary insertion in a young woman. The 17-year-old Japanese woman received aortic valve replacement (AVR) with a 21mm Freestyle stentless porcine valve (Medtronic Inc.), using the oversizing modified sub-coronary insertion because of infectious endocarditis 12 years previously at another hospital. Just after the operation, she suffered severe heart failure. At 16 years old, since a cardiac murmur and dyspnea on effort appeared, and she presented severe heart failure due to significant aortic valvular stenosis with a mean aortic valve gradient 115mmHg, we performed aortic valve re-replacement (ATS AP 18mm) with an aortic root enlargement procedure. Intraoperative findings suggested that the oversizing technique was related to aortic valvular stenosis. The postoperative course has been uneventful.
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