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Updated: Jan 22, 2026

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
Published on: May 21, 2017
Modified Commando operation using stentless aortic bioprosthesis
Tetsuro Uchida1, Yoshinori Kuroda1, Azumi Hamasaki1
1Second Department of Surgery, Faculty of Medicine, Yamagata University, Yamagata, Japan.
Abstract:
Operations necessitating intervalvular fibrous body reconstruction in patients with extensive endocarditis are referred to as "Commando operations," an indicator of the procedure's difficulty. Aortic root replacement is inevitable when performing the Commando operation for extensive aortic annular defect after radical debridement. We performed a modified Commando operation, in which supra-annular aortic valve replacement with the Solo Smart stentless bioprosthesis was employed instead of aortic root replacement. Supra-annular implantation can spare damaged annular structures. This modification is expected to render complex reconstructive surgery technically less demanding.
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