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  • Title: [Mitral valve replacement in children with a Björk-Shiley prosthesis].
    Author: Martínez Ruiz JG, López Soriano F, Attie F, Barragán García R, García Cornejo M.
    Journal: Arch Inst Cardiol Mex; 1984; 54(6):569-74. PubMed ID: 6241461.
    Abstract:
    This report documents our experience with mitral valve replacement in children. Between 1978 and 1982, 30 replacements have been performed in patients under 15 years of age. Twenty seven patients (90%) with rheumatic heart disease and 3 (10%) had congenital disease. Their functional capacity prior to operation was as follows: Nine patients fell into class II, 18 into class III and 2 into class IV. Preoperative cardiac catheterization, was undertaken in 26 patients, the mean pulmonary arterial wedge pressure was 27.4 +/- 8 mmHg, the pulmonary artery mean pressure was 48 +/- 20 mmHg, the left ventricular end diastolic pressure was 11.7 +/- 5.6 mmHg. One child died in the operative period. Twenty six patients (90%) have been followed for a mean period of 22.7 months. Late mortality occurred in three patients (11%). Bacterial endocarditis, thromboembolism and valve maldisfunction were not present. The post operative NYHA functional class was as follows: twenty two children fell into class I, and one patient fell into class II. The actuarial survival rate 5 years after operation was 79%. We believe that the Björk-Shiley prosthesis offer excellent results in children when repair of the natural valve is not possible.
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