A comparison of aortic valve replacement with viable cryopreserved and fresh allograft valves, with a note on chromosomal studies.

@article{Obrien1987ACO,
  title={A comparison of aortic valve replacement with viable cryopreserved and fresh allograft valves, with a note on chromosomal studies.},
  author={M F O'brien and Edward Stafford and Michael A H Gardner and Peter G Pohlner and David C McGiffin},
  journal={The Journal of thoracic and cardiovascular surgery},
  year={1987},
  volume={94 6},
  pages={812-23}
}
We examined the long-term clinical function and fate of allograft aortic valves, preserved by two differing methods, for aortic valve replacement: (1) fresh allografts stored at 4 degrees C refrigeration (group I) and (2) viable allografts cryopreserved in liquid nitrogen at -196 degrees C (group II). A total of 316 aortic valve replacement operations were performed, 124 in group I (December 1969 to May 1975) and 192 in group II (June 1975 to December 1986). Concomitant surgical procedures (eg… CONTINUE READING

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