We report a case of leaflet escape in an Edwards-TEKNA bileaflet valve, in
the mitral position, The examination findings of the explanted valve are co
mpared with a similar case of leaflet escape in an original Edward-Duromedi
cs prosthesis. Based on our findings alone, it is not certain whether the T
EKNA valve continues to have a higher risk for fracture. (C) 2000 by The So
ciety of Thoracic Surgeons.