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The Annals of Thoracic Surgery, Vol 21, 230-236, Copyright © 1976 by The Society of Thoracic Surgeons

ARTICLES

Establishment of a viable homograft cardiac valve bank: a rapid method of determining homograft viability

LK Watts, P Duffy, RB Field, EG Stafford and MF O'Brien

A method for determining the viability of homograft valves has been developed based on sequential measurements of glucose and pH levels of the culture medium in which cardiac valves have been maintained for short periods at 37 degrees C. Viable valves, as determined by tissue culture, showed a characteristic pattern of glucose utilization and pH reduction that was absent in nonviable valves. Upon explantation of valve leaflet fragments into tissue culture, only fragments from valves that metabolized glucose produced viable fibroblast cultures. The method reported here is rapid, requires no specialized equipment, is nondestructive, and can directly determine the viability of the valve homograft within 24 to 48 hours.


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Copyright © 1976 by The Society of Thoracic Surgeons.