Mitral stenosis (MS) induces slow filling of the left ventricle (LV) from the left atrium (LA). MS affects more often women than men. The principal cause is the consequence of rheumatic fever which prevalence has largely decreased in the Western countries but remains frequent in developing countries, in Africa, Asia and India. The normal surface area is 4–6 cm2. MS is moderate when the area is <1.5 cm2 and severe in the presence of an area <1 cm2. The development of percutaneous mitral commissurotomy has dramatically improved the management of severe, symptomatic MS.
KeywordsMitral stenosis Commissurotomy Rheumatic fever
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