Functional anatomy of severe mitral regurgitation in active rheumatic carditis
作者： Richard H. Marcus , Pinhas Sareli , Wendy A. Pocock , Theo E. Meyer , Manuel P. Magalhaes
DOI: 10.1016/0002-9149(89)90902-8
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摘要: Abstract The mechanism of severe mitral regurgitation (MR) due to active rheumatic carditis is ill defined. This study involved 73 patients, aged 7 27 years (mean 13), with MR and who were subjected surgery. Sixty-one studied retrospectively (group 1) 12 prospectively 2). Active was diagnosed according the modified Jones' criteria, morphologic appearances heart at operation histology valve. All patients had preoperative 2-dimensional echocardiographic intraoperative assessment valve apparatus. presence prolapse—defined as failure leaflet edge coaptation resulting in systolic displacement free toward left atrium—was determined all patients. Mitral anular diameter maximal chordal length measured echocardiography group 2 compared values obtained from matched control subjects. Anular dimensions 6 correlated precise measurements prolapse involving anterior detected on confirmed surgery 69 (94%). dilatation observed 70 (96%). Maximal significantly greater (p
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