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Table 3 CMR findings of the mitral stenosis (MS) cohort, stratified by atrial fibrillation

From: Cardiovascular magnetic resonance characterization of rheumatic mitral stenosis: findings from three worldwide endemic zones

  MS patients with atrial fibrillation (n = 17) MS patients without atrial fibrillation (n = 23) P value
LA maximal volume (mL/m2) 98 (83, 136) 80 (64, 103) 0.09
LA minimal volume (mL/m2) 83 (58, 107) 63 (45, 85) 0.12
LA emptying fraction (%) 19 (11, 28) 20 (14, 33) 0.47
RA maximal area (cm2) 22 (17, 24) 20 (15, 22) 0.33
LVEF (%) 48 (42, 63) 51 (41, 54) 0.49
LVEDV (mL/m2) 73 (58, 90) 68 (61, 93) 0.68
RVEF (%) 43 (39, 54) 45 (40, 50) 0.89
RVEDVI (mL/m2) 69 (58, 78) 76 (61, 89) 0.26
LGE presence (n = 16)
13 (81%)
(n = 23)
19 (83%)
0.91
MVA by pressure half-time on echocardiography (cm2) (n = 10)
0.9 (0.7, 1.1)
(n = 18)
0.8 (0.75, 1.3)
0.98
  1. Data are shown as median (interquartile range) or n (%)
  2. Data are shown as median (interquartile range) or n (%). CMR, cardiovascular magnetic resonance; LA, left atrium; LGE, late gadolinium enhancement; LVEDV, left ventricular end-diastolic volume; LVEF, left ventricular ejection fraction; MS, mitral stenosis; MVA, mitral valve area; RA, right atrium; RV, right ventricle; RVEDVI, right ventricular end-diastolic volume index; RVEF, right ventricular ejection fraction