Key result
Modified aortic root remodeling combined with valve repair successfully treats severe aortic regurgitation.
Why the study?
Severe aortic regurgitation due to right coronary cusp prolapse combined with aortic root dilatation presents a surgical challenge requiring effective repair techniques.
Case Report (n=1)
No
Modified aortic root remodeling combined with aortic valve repair and CABG can be safely and effectively performed in patients with severe aortic regurgitation, root dilatation, and concomitant coronary artery disease.
Demonstrates technical feasibility of combined aortic valve repair and CABG in AR; leaves open generalizability and durability in larger cohorts.
症例は70歳男性．大動脈弁閉鎖不全症（AR）にて外来経過観察を受けていたが，その増悪のため手術適応と判断された．心エコー図にて右冠尖の逸脱による高度ARが認められ，CTにて上行基部大動脈の約50 mmまでの拡大が見られた．さらに冠動脈造影検査（CAG）で右冠動脈（RCA)#2の90%の狭窄が認められた．手術はaortic root remodeling および subvalvular circular annuloplasty と逸脱したRCCに対する leaflet suspension を用いた大動脈弁形成術を施行した．RCA#2の狭窄に対しては冠動脈バイパス術を併用した．術後経過は良好で無輸血管理で第10病日に独歩退院となった．
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Yamasaki et al. (2009) conducted a case report in Severe aortic regurgitation and aortic root dilatation (n=1). Modified aortic root remodeling combined with aortic valve repair was evaluated on Postoperative recovery and valve function. Modified aortic root remodeling combined with aortic valve repair was successfully performed in a 70-year-old man with severe aortic regurgitation, resulting in an uneventful recovery and discharge on day 10.
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