J.Jpn. Surg. Soc.. 102(4): 325-329, 2001

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Feature topic

INDICATIONS FOR AND RESULTS OF CRYOPRESERVED HOMOGRAFT VALVE REPLACEMENT

The cryopreserved aortic homograft valve is one of the most reliable of the stentless biological prosthesis if implanted properly. Due to the limited availability of homograft valves in Japan, the indications for their use are different from those in other countries. The first indication is active infective endocarditis in the aortic valve position, especially infection surrounding artificial implants. Another indication is for reconstruction of the right ventricular outflow tract during pulmonary autografting. Finally, aortic valve replacement in young women of childbearing age who wish become pregnant is an accepted indication.
Since 1992, cryopreserved homograft valves have been used in Japan, and the number of surgeries performed with them has gradually increased. While efforts have been made to expand the homograft bank system in some areas, the supply remains insufficient. Because the demand for homografts is high, it is extremely important to establish a nationwide tissue bank system as soon as possible.

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