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J Thorac Cardiovasc Surg 1998;115:736
© 1998 Mosby, Inc.
LETTERS TO THE EDITOR |
To the Editor:
I enjoyed Dr. Oury's "Can You Top This?" letter to the Editor (J Thorac Cardiovasc Surg 1997;114:147), and I rise to the challenge. Currently I am aware of two of our patients who underwent mitral valve replacement on May 11, 1976, and April 8, 1977, respectively.
The transthoracic echocardiogram on the first patient revealed a mean transvalvular gradient of 6 mm Hg with a calculated mitral valve area of 1.5 to 1.6 cm2. The latter patient has only Doppler evidence of mild mitral regurgitation; however, no murmur is audible. Both echocardiograms were performed in 1995.
The first patient died of chronic obstructive pulmonary disease and liver failure on March 29, 1997 (20 years and 348 days after mitral valve replacement), and the second patient remains alive and well 20 years and 203 days after mitral valve replacement.
I do believe it is even more impressive that a porcine mitral valve lasted this long, particularly in view of continued systolic trauma with cardiac contraction.
Cardiovascular Surgical Associates, PC1725 West Harrison St., Suite 1156, Chicago, IL 60612
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R. El Oakley and E. Al Bukhari We Can Top That With a Photo Asian Cardiovasc Thorac Ann, December 1, 1999; 7(4): 359 - 359. [Full Text] [PDF] |
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