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Table 2 Left cardiac chamber volumes and mitral annulus metrics in MR and control subjects

From: Dynamic changes of mitral valve annulus geometry at preprocedural CT: relationship with functional classes of regurgitation

  MR group (total = 51) Control group (total = 21) p value
Volumes and function at Echo
 Left atrium ESV, mL 131 ± 55 62 ± 12 < 0.001
 Left ventricle EDV, mL 161 ± 81 83 ± 23 < 0.001
 Ejection fraction, % 44.4 ± 15.7 63.6 ± 5.8 < 0.001
Volumes and function at CCTA
 Left atrium ESV, mL 202.7 ± 71.3 107.7 ± 24.3 < 0.001
 Left ventricle EDV, mL 240.5 ± 110.3 135.6 ± 29.1 < 0.001
 Ejection fraction, % 40.7 ± 15.0 68.7 ± 7.4 < 0.001
Mitral valve geometry at CCTA
 D-shaped area max, cm2 15.6 ± 3.9 9.5 ± 1.8 < 0.001
 D-shaped area min, cm2 13.0 ± 3.5 7.6 ± 1.6 < 0.001
 TT distance max, mm 26.5 ± 4.1 25.3 ± 3.1 0.207
 IC diameter max, mm 48.6 ± 6.4 39.6 ± 3.1 < 0.001
 SL diameter max, mm 40.0 ± 5.5 29.7 ± 3.4 < 0.001
 SL/IC ratio 0.82 ± 0.09 0.73 ± 0.05 < 0.001
 Valve calcium volume, cm3 729.7 ± 1,994.1 0 < 0.001
  1. Continuous variables are reported as mean ± standard deviation
  2. CCTA cardiac CT angiography, EDV end diastolic volume, MR mitral valve regurgitation, TT trigone-to-trigone distance, IC intercommissural diameter, SL septal-to-lateral diameter