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  • Title: [An experience with the Ross operation utilizing cryopreserved pulmonary homografts procured by and stored in our homograft valve bank].
    Author: Kitamura S, Yagihara T, Niwaya K, Uemura H, Bando K, Kobayashi J, Sasako Y, Minatoya K, Kawahira Y, Yoshikawa Y, Koizumi N, Nakatani T.
    Journal: Kyobu Geka; 2000 Apr; 53(4):275-80. PubMed ID: 10770052.
    Abstract:
    Eight patients, 4 males and 4 females ranging in age from 10 to 54 years (mean 27 +/- 13 years) underwent the Ross operation using a cryopreserved pulmonary homograft harvested by and cryopreserved in our institutional "Tissue Bank". Seven patients had a congenital bicuspid aortic valve and 3 patients had had healed infective endocarditis of the aortic valve. Four young female patients wanted to have a baby after operation. The Ross procedure was carried out utilizing aortic root replacement techniques in all patients. All patients survived and are currently in NYHA class 1, but 2 cardiac events occurred in 2 patients during the mean follow-up term of 29 +/- 19 months. The one was the anastomic stenosis between the homograft and distal pulmonary artery treated by balloon dilatation and the other was ventricular tachycardia eventually managed by the insertion of an ICD. Pulmonary autograft valve regurgitation is present in 3 patients, but it is not progressive up to the present time. Pulmonary homograft valves function well in all patients. The Ross operation for adolescents and young adults should become more popular along with more easy availability of homograft valves based upon the establishment of the "Homograft Valve Bank" system in Japan.
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