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  • Title: [Comparison of quantitative data from two-dimensional echocardiography and anatomical examination in mitral stenosis].
    Author: Lardoux H, d'Allaines C, Melanidis J, Guérinon J, Pornin M, Morin D, Ourbak P, Maurice P.
    Journal: Arch Mal Coeur Vaiss; 1984 Mar; 77(3):245-54. PubMed ID: 6424610.
    Abstract:
    This prospective study was undertaken to assess the results of 2D echocardiography in the assessment of valvular and subvalvular lesions in mitral stenosis. The echocardiographic findings (E) were compared with peroperative and laboratory anatomical examination of the excised valve (A). The following criteria were compared: 1) planimetry of mitral valve surface area, 2) mobility of the anterior leaflet, assessed anatomically by the flexibility of the tissue, and echocardiographically by the amplitude of early diastolic excursion, 3) length of anterior and posterior leaflets, 4) presence of calcification, 5) length of the longest tendinae chordae, measured from the papillary muscle to the insertion of the valve, 6) thickness of the thickest tendinae chordae attached to each leaflet. Echocardiography was carried out preoperatively by two different operators without knowledge of the haemodynamic and later anatomical findings. The anatomical results were taken as reference. Mitral valve surface area measured by both methods was comparable (A = 0,96 +/- 0,28 cm2; E = 1,04 +/- 0,33 cm2, N = 17, t = NS) and a good correlation was found between the two measurements (r = 0,79; p less than 0,01). 2D echo assessed the loss of valvular mobility by limitation of early diastolic opening of the AML with a sensitivity of 71 p. 100 and a specificity of 70 p. 100. Measurement of valve length of the anterior (N = 14) and posterior leaflets (N = 15) may be difficult in the presence of severe calcification. The results of both measurements were comparable. AML, 25,2 +/- 1,9 mm (A) and 24,6 +/- 2,1 mm (E); PML, 13,9 +/- 1,9 mm (A) and 14,2 +/- 2,2 (E) correlated well, r = 0,71 and r = 0,71 respectively (p less than 0,01).(ABSTRACT TRUNCATED AT 400 WORDS)
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