The Manouguian technique for aortic root enlargement can be successfully utilized during redo double valve replacement for deteriorated bioprosthetic valves to alleviate pulmonary hypertension.
Case report indicates feasibility in complex redo double valve surgery; leaves open confirmation of pulmonary hypertension benefit.
症例は83歳女性(BSA 1.36 m2).8年前に重症大動脈弁狭窄症,重症僧帽弁閉鎖不全症,中等症三尖弁閉鎖不全症,心房細動に対して大動脈弁置換術(Magna ease 19 mm),僧帽弁置換術(Epic mitral 25 mm),三尖弁輪形成術(De Vega technique),肺静脈隔離術を他院で施行.来院6カ月前よりの労作時息切れ,呼吸苦等の心不全症状を来し当院紹介.精査にて弁尖の穿孔による僧帽弁閉鎖不全症および人工弁機能不全による僧帽弁狭窄症(平均圧較差7.8 mmHg)による肺高血圧症(安静時平均肺動脈圧 49 mmHg)の診断で,Manouguian法による弁輪拡大と大動脈弁再置換術(Inspiris 23 mm)および僧帽弁再置換術(Epic mitral 29 mm)を施行し肺高血圧症の改善を得た.
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Nakamura et al. (2023) studied this question.
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