Radiographic detection of strut separations in Björk-Shiley convexo-concave mitral valves.

  title={Radiographic detection of strut separations in Bj{\"o}rk-Shiley convexo-concave mitral valves.},
  author={William W O'neill and James G. Chandler and Rachael P. E. Gordon and D M Bakalyar and A H Abolfathi and Marco Castellani and Jamie Lee Hirsch and David W. Wieting and Joseph S Bassett and K C Beatty},
  journal={The New England journal of medicine},
  volume={333 7},
BACKGROUND The outlet struts of Björk-Shiley convexo-concave heart valves can occasionally fracture. By December 31, 1994, 564 complete strut fractures had been reported to the manufacturer, approximately two thirds of which were fatal. There are no reliable diagnostic methods to detect valves that may be at risk for strut fracture. The outlet strut has two legs, and one leg often appears to break before the other, potentially permitting detection of the single-leg separation while the valve is… CONTINUE READING


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