الفهرس 
Mitral valve anatomy and physiologyOnly 14 pages are availabe for public view
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Abstract
Mitral valve is a complex structure formed of: mitral annulus, anterior and posterior leaflets, chordae tendineae, papillary muscles, left ventricular wall and left atrial wall. Coordination between all these elements is sessential for proper valve function . There have been significant changes in presentation, diagnosis, and therapy of patients with mitral stenosis. In patients with mitral stenosis 2- dimensional and Doppler echocardiography have become the diagnostic modalities of choice as they allow proper selection of patients for PMBV.When the echocardiographic data is suboptimal cadiac catheterization may be required. Percutaneous mitral balloon valvotomy produces a good immediate outcome and good clinical long-term follow-up results in a high percentage of patients with mitral stenosis. The immediate and long-term outcomes of patients undergoing PMBV is multifactorial. The use of the echocardiographic score in conjunction with other clinical and morphological predictors of PMBV outcome allows identification of patients who will obtain the best outcome from PMBV.