Medical therapy aims at control of symptoms Surgery is the treatment for most symptomatic lesions or for lesions causing left ventricular dysfunction even in the absence of symptoms. 复旦大学附属中山医院 Zhongshan Hospital, Fudan University @
• Medical therapy aims at control of symptoms. • Surgery is the treatment for most symptomatic lesions or for lesions causing left ventricular dysfunction even in the absence of symptoms
MITRAL STENOSIS (MS) 复旦大学附属中山医院 Zhongshan Hospital, Fudan University @
MITRAL STENOSIS ( MS )
ETIOLOGY AND PATHOLOGY ° Rheumatic fever o Two-thirds are female o 25% of all patients have pure MS o 40% have combined Ms and mitral regurgitation (MR) the incidence of ms is declining A major problem in tropical climates and developing countries ③氢思大学时属中山院@
ETIOLOGY AND PATHOLOGY • Rheumatic fever • Two-thirds are female • 25% of all patients have pure MS • 40% have combined MS and mitral regurgitation (MR) •the incidence of MS is declining • A major problem in tropical climates and developing countries
Rheumatic fever results in four forms of fusion leading to stenosis: Commissural Cuspal Chordal Combined o mitral valve cusps fuse at the their edges o fusion of the chordae tendineae results in thickening and shortening of these structures 复旦大学附属中山医院 Zhongshan Hospital, Fudan University @
• Rheumatic fever results in four forms of fusion leading to stenosis: Commissural Cuspal Chordal Combined • mitral valve cusps fuse at the their edges •fusion of the chordae tendineae results in thickening and shortening of these structures
Calcification of the valve immobilizes the leaflets and narrows the orifice lead to narrowing of the valve(fish mouth) e dilated left atrium (LA) o Thrombus frequently arise from LA in patients with atrial fibrillation(AF) Other causes: congenital,- malignant carcinoid, SLE, Amyloid, etc. 复旦大学附属中山医院 Zhongshan Hospital, Fudan University @
• Calcification of the valve immobilizes the leaflets and narrows the orifice •lead to narrowing of the valve (fishmouth) • dilated left atrium (LA) • Thrombus frequently arise from LA in patients with atrial fibrillation (AF) • Other causes: congenital, malignant carcinoid, SLE, Amyloid, etc