Natural and post-surgical history has been investigated in 410 pts with mitral stenosis and 209 pts with mixed mitral stenosis and regurgitation. They had undergone cardiac catheterization in the years 1968-1980. Hemodynamic data and clinical status (NYHA class) have been statistically analyzed in order to obtain prognostically useful parameters. In mitral stenosis peak pulmonary artery pressure is the most important parameter for natural history, whereas cardiac index is the leading parameter in the operated patients. Commissurotomy has a very low surgical mortality, largely due to the better conditions of the patients undergoing this type of conservative surgery. Results are similar in mixed mitral stenosis and regurgitation. Surgery markedly improves survival in comparable patients. Therefore, intervention seems to be indicated especially in patients with elevated pulmonary artery pressure, because they can get the maximum advantage at a minimal risk.
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Background: In developing countries, rheumatic mitral valve stenosis (MS) is still a problem and its progression leads to left atrial (LA) damage. Due to the complexity of the LA geometry, currently used techniques like antero-posterior dimension (LAD) and 2D echo derived LA volume (LAV) have several limitations that are corrected by 3D derived LA volumes in addition to functional evaluation.
Purpose: To assess the LA functions using 2D speckle tracking echocardiography and 3D transthoracic echocardiography in patients with clinically significant MS in comparison to normal healthy subjects.
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