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Selective Sinus Replacement for Aortic Root Disease Michio Yoshitake 1 , Ryuuichi Nagahori 1 , Yoko Matsumura 1 , Akihiro Masuzawa 1 , Naoaki Ichihara 1 , Kay Maeda 1 , Tomomitsu Takagi 1 , Satoshi Arimura 1 , Takanori Tsujimoto 1 , Keiichi Ishiwari 1 , Kenta Zaikokuji 2 , Takashi Kunihara 3 1Department of Cardiac Surgery, The Jikei University School of Medicine Keyword: selective sinus replacement , acute aortic dissection , aortic root replacement , valve sparing root replacement pp.498-504
Published Date 2024/7/1
DOI https://doi.org/10.15106/j_kyobu77_498
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Background:Selective sinus replacement seems a reasonable option in cases requiring replacement of one or two sinuses of Valsalva, especially with acute aortic dissection and high bleeding risk.

Methods:Six patients (average age 58±17 years;five males) underwent selective replacement of the right sinus of Valsalva with right coronary artery bypass grafting (n=5) in 2015-2023. Five patients developed acute aortic dissection and one developed aneurysm of the right sinus of Valsalva.

Results:All patients survived the operation, and there were no cases requiring re-exploration for bleeding. Intraoperative transesophageal echocardiography showed trivial or less aortic regurgitation (AR) in all patients. Cardiopulmonary bypass time, aortic cross-clamping time, and lower body circulatory arrest time were 214±28 min, 159±22 min, and 31±6 min (n=5), respectively. During follow-up of 55±44 (4-104) months, all patients were asymptomatic. AR was mild or less in four patients, mild-moderate in one patient, and severe in one patient. All patients had normal cardiac function without left ventricular enlargement, and so no reoperation was required.

Conclusions:Although this method appears to be relatively safe and effective, some patients developed late AR. Long-term follow-up of larger numbers of patients will be necessary to confirm its effectiveness.


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

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