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KMID : 0364019970300040390
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Korean Journal of Thoracic and Cardiovascular Surgery
1997 Volume.30 No. 4 p.390 ~ p.395
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Clinical Analysis of Reoperation for Prosthetic Valve Replacement -Report of 12 cases-
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장진우
이연재/황상원/김한용/송원영/유병하
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Abstract
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Between May 1986 and May 1996, 269 patients underwent prosthetic valve replacement. A bioprosthetic valve was replaced in 70 cases and mechanical valve was replaced in 232. Of this 12 patients performed reoperations for replacement, and the mean
interval between primary valve operation and reoperation was 87.6 months for mitral valve and 37.7 months for aortic valve.
There were 10 women and 2 men, aged from 22 to 68 years(mean 45). A bioprosthetic valve was implanted in 8 cases and a mechanical valve was implanted in 4 cases for initial operation. Indications for reoperation were structural deterioration in 5
cases(42%), valve thrombus in 5 cases(42%) and endocarditis in 2 cases(17%). Operations performed included 3 aortic valve replacements(25%), 9 mitral valve replacements(75%). We used mechanical valve in 11 cases(92%) and tissue valve in 1
cases(8%)
for
reoperation. There were 2 early operative deaths because of valve detachment and of acute respiratory failure. Among ten survivors, there were no late deaths with follow up of 35.8 months.
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KEYWORD
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