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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