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ISSN 0188-2198 (Print)

2007, Number 3

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Rev Mex Cardiol 2007; 18 (3)

Ventricular function and mass in patients with congenital aortic stenosis after percutaneous ballon valvuloplasty

Yáñez-Gutiérrez L, Jiménez-Arteaga S, Martínez-Sánchez A, López-Gallegos D, Sánchez-Soberanes A, Ortegón-Cardeña J, David-Gómez F, Alva-Espinosa C

Language: Spanish
References: 18
Page: 103-108
PDF size: 141.71 Kb.


ABSTRACT

Objectives: To compare the ejection fraction (EF) and the left ventricular mass (LVM) by echocardiography in patients with congenital aortic valve stenosis before and after percutaneous balloon aortic valvuloplasty (BAV). Material and methods: 33 patients, 24 male (73%), 9 female (27%) underwent BAV. Medical records and echocardiograms were reviewed in order to compare the EF and LVM before BAV and at least 3 months after BAV. The left ventricular mass was calculated by echocardiography according to the body surface area. Results: Mean patient age at the time of the procedure was 7.3 ± 5.5 years, ranging from 0 to 17 years. The follow-up ranged from 3 to 144 months (mean 39 months). Two patients had myocardial damage with ejection fraction ‹ 50%. The rest of the patients had a normal ejection fraction. In the patient group with myocardial damage the ejection fraction increased significantly, on average 47 ± 18 % (p ‹ 0.001). In the patients with normal EF there were no appreciable changes. The LVM diminished more in the patients with a higher aortic systolic gradient before BAV (p ‹ 0.01). There were no complications during and after the procedure, and up until now, no patient has required a new VAP due to stenosis. Conclusions: In patients with myocardial damage an increase in the ejection fraction was observed (p ‹ 0.01). There was no change in the EF in patients with normal myocardial systolic function. A decrease in LVM was observed in all patients treated with VAP. The estimation of LVM, in addition to the reduction of the systolic aortic gradient, has been shown to be a useful parameter in determining the VAP outcome.


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