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Nobuchika Ozaki
Kenji Okada
Takuro Tsukube
Yutaka Okita
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Ann Thorac Surg 2006;82:2282-2285
© 2006 The Society of Thoracic Surgeons

Case Reports

Perforation of the Valsalva Sinus After Implantation of Medtronic Freestyle Aortic Bioprosthesis

Nobuchika Ozaki, MD, Yutaka Hino, MD, Yuji Hanafusa, MD, Teruo Yamashita, MD, Kenji Okada, MD, Takuro Tsukube, MD, Yutaka Okita, MD*

Kobe University Graduate School of Medicine, Division of Cardiovascular, Thoracic, and Pediatric Surgery, Kobe, Japan

Accepted for publication April 24, 2006.

* Address correspondence to Dr Yutaka Okita, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan. (Email: yokita{at}med.kobe-u.ac.jp).

We report on structural valve deterioration in patients with the Medtronic Freestyle aortic bioprosthesis (Medtronic, Inc, Minneapolis, MN), including spontaneous perforation of the Valsalva sinus. These occurred in four prosthesis in 3 patients using the modified subcoronary method or full root technique. One patient died of ruptured pseudoaneurysm and the others survived reoperation well. Careful follow-up is required after Freestyle bioprosthesis implantation.




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