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Table 2 Cardiac magnetic resonance imaging

From: Reverse remodeling of tricuspid valve morphology and function in chronic thromboembolic pulmonary hypertension patients following pulmonary thromboendarterectomy: a cardiac magnetic resonance imaging and invasive hemodynamic study

 

Baseline (n = 19)

12 months (n = 19)

p value

Controls (n = 20)

Right atrium

 Volume (mL/m2)

30 ± 9*

23 ± 5

 < 0.005

23 ± 6

 Length (mm)

57 ± 8

56 ± 10

0.54

53 ± 7

 Width (mm)

57 ± 12*

46 ± 8

 < 0.005

48 ± 9

Right ventricle

 RVMi (g/m2)

22 ± 7*

13 ± 7

 < 0.0001

12 ± 3

 End-diastolic volume (mL)

233 ± 74*

164 ± 50

 < 0.0001

172 ± 41

 End-systolic volume (mL)

168 ± 75*

94 ± 40

 < 0.0005

80 ± 23

 RVDd1 (mm)

54 ± 8*

42 ± 8

 < 0.0001

43 ± 5

 RVDd2 (mm)

48 ± 8*

38 ± 6

 < 0.0001

37 ± 4

 RV length (mm)

86 ± 10

78 ± 10

 < 0.0001

82 ± 8

 RV sphericity index

2.5 ± 0.2*

2.8 ± 0.5

 < 0.01

2.8 ± 0.4

 Stroke volume (mL)

65 ± 22*

71 ± 21*

0.15

92 ± 19

 TV regurgitant volume (mL)

11 ± 17

4 ± 8

0.20

4 ± 7

 Ejection fraction (%)

30 ± 13*

44 ± 10*

 < 0.001

54 ± 20

Tricuspid valve

 Annular area sys (cm2)

12.6 ± 3.5

11.0 ± 3.2

0.11

12.4 ± 2.6

 Annular area dia (cm2)

14.5 ± 4.2

11.7 ± 3.9*

0.06

13.5 ± 2.8

 Circumference sys (cm)

15.0 ± 2.6

13.9 ± 2.8

0.18

15.0 ± 2.1

 Circumference dia (cm)

16.7 ± 1.9

15.9 ± 3.0

0.47

16.7 ± 1.9

 Annular height sys (cm)

1.3 ± 0.5*

1.1 ± 0.3

 < 0.01

1.0 ± 0.3

 Annular height dia (cm)

1.3 ± 0.4

1.7 ± 0.7

0.16

1.5 ± 0.4

 SL distance sys (cm)

4.0 ± 0.6

3.8 ± 0.6

0.08

3.7 ± 0.5

 SL distance dia (cm)

4.4 ± 0.6

4.2 ± 0.7

0.24

4.1 ± 0.5

 AP distance sys (cm)

3.9 ± 0.5

3.8 ± 0.7

0.42

4.1 ± 0.5

 AP distance dia (cm)

4.1 ± 0.6

3.7 ± 0.8*

0.08

4.2 ± 0.6

 Leaflet area sys (cm2)

20.1 ± 5.8

16.2 ± 6.4

 < 0.005

16.9 ± 3.7

 Tenting volume sys (cm3)

4.4 ± 2.6*

1.6 ± 0.9

 < 0.005

1.5 ± 0.8

 Tenting height sys (mm3)

11.4 ± 3.9*

7.0 ± 2.2

 < 0.0005

7.0 ± 1.9

 Coaptation height (mm)

4.9 ± 1.1*

5.8 ± 1.7*

0.17

7.2 ± 1.5

Pulmonary artery

 Cardiac output (L/min)

3.9 ± 0.9*

5.1 ± 1.4

 < 0.005

4.9 ± 0.7

 Cardiac index (L/min/m2)

2.3 ± 0.4*

2.8 ± 0.6

 < 0.005

2.6 ± 0.4

Non-invasive derived RV-PA coupling

 SV (mL) / ESV (mL)

0.49 ± 0.30*

0.84 ± 0.31*

p < 0.0001

1.19 ± 0.20

  1. Data are presented as mean ± standard deviation
  2. AP, anterior–posterior; dia, diastolic; SL, septal-lateral; sys, systolic; Ea, Arterial elastance; Ees, End-systolic elastance; RV, Right ventricular; PA, Pulmonary artery; RVD1, Basal RV linear dimension at end-diastole; RVD2, Mid-cavity RV linear dimension at end-diastole; RVMi, Right ventricular mass index; SV, Stroke volume; ESV, End-systolic volume
  3. *p < 0.05 versus controls
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BMC Cardiovascular Disorders

ISSN: 1471-2261

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