Key result
Cabrol's operation using the previously replaced aortic valve was successfully performed for a 7.5 cm aortic root dilatation 5 years post-AVR, with good patency of coronary anastomoses at 2.5 years.
Case Report (n=1)
No
Cabrol's operation with preservation of the prosthetic valve is a viable surgical option for severe aortic root dilatation following previous AVR.
症例は61歳, 男性. 1987年12月9日に大動脈弁閉鎖不全 (AR) の診断で31mmSJM弁にて大動脈弁置換術 (AVR) 施行した. その時すでに上行大動脈起始部は4cmと拡大していたが放置した. 術後5年目脳梗塞発症時に最大径7.5cmの大動脈基部拡大を指摘された. 人工弁機能は正常であることと左右冠動脈が均衡型であるため1992年7月16日人工弁を温存した Cabrol 型手術を施行した. 術後の造影でも両側の冠動脈口は良好に開存し術後2年5か月の現在元気に外来通院中である. ARに上行大動脈が4cmを越えるとAVRのみではなく大動脈基部置換術も必要と考える.
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Sasaki et al. (1996) conducted a case report in Aortic root dilatation following aortic valve replacement (n=1). Cabrol's operation was evaluated on Postoperative patency and clinical course. Cabrol's operation using the previously replaced aortic valve was successfully performed for a 7.5 cm aortic root dilatation 5 years post-AVR, with good patency of coronary anastomoses at 2.5 years.
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