Abstract
We report our experience with 30 children under 15 years of age treated surgically for congenital mitral valve disease from March 1972 to July 1986. Valve reconstruction was possible in 26 patients (87%), whereas in four the valve was replaced with a mechanical prosthesis. Five patients died in the hospital (16.6%), four after conservative operations and one after mitral valve replacement. There was only one late death in a child in chronic congestive heart failure. Three patients, treated conservatively, required valve replacement 2, 22, and 24 months, respectively, after the operation. Follow-up data reveal that 22 of 24 patients are asymptomatic 5 months to 15 years after operation. Two-dimensional echocardiographic studies were performed in 19 patients treated conservatively, 17 of whom are asymptomatic. Eleven of them have no signs of mitral regurgitation or stenosis, six show only mild mitral incompetence, and two have moderate mitral regurgitation or stenosis. Peak pulmonary artery pressure is within normal limits in all. Our results indicate that mitral valve reconstructive procedures for congenital valve dysplasia may be effective and reliable in children despite the frequent severity of valve malformation. Although no major prosthesis-related complications were observed in the present series, we believe that mitral valve repair should always be attempted in the pediatric population to avoid the drawbacks of the currently available prostheses.
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More From: The Journal of Thoracic and Cardiovascular Surgery
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