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Japanese

Medium-remote Term Results of the Atrioventricular Valve Replacement with Mechanical Valve for Functional Single Ventricles Katsuo Tao 1 , Yuuichi Ishikawa 2 , Akio Inage 3 , Tomomi Ueda 3 , Kanako Kishiki 3 , Tadahiro Yoshikawa 3 , Naoki Wada 3 , Makoto Ando 3 , Yukihiro Takahashi 3 1Department of Pediatrics, Fukui Aiiku Hospital Keyword: functional single ventricle , atrioventricular valve replacement (AVVR) pp.650-657
Published Date 2018/9/1
DOI https://doi.org/10.15106/j_kyobu71_650
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We prospectively investigated the relation of adaptation, timing of atrioventricular valve replacement (AVVR), valve type, size, durability of replacement valve, and preoperative cardiac function with prognosis of AVVR. The subjects included 26 patients [15.5 years old (day 2-43 years)] with functional single ventricle who underwent AVVR at our institution between August 1996 and January 2014. Of these patients, 24 had regurgitation, whereas 2 had stenosis.

Of 7 patients who died, 3 were infants who died in the postoperative acute phase, and all of them had severe heart failure at the preoperative stage. The 5-year survival rate was 67% as assessed by Kaplan-Meier curve.

On univariate analysis of the preoperative data, pulmonary artery pressure (PAP), pulmonary capillary wedge pressure, age at operation, body height, and body weight were significant risk factors for death;of these, only PAP remained in the last model for multiple regression analysis.

AVVR for regurgitation is supposed to reduce cardiac volume load and help improve prognosis. Atrioventricular valve plasty or replacement should be performed prior to the development of severe heart failure.


© Nankodo Co., Ltd., 2018

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電子版ISSN 2432-9436 印刷版ISSN 0021-5252 南江堂

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