Table 2 Echocardiographic parameters of all patients with chronic organic mitral regurgitation and the comparisons between patients with and without pulmonary hypertension

RVSP (mmHg)

43.2 ± 17.7

34.6 ± 7.3

66.8 ± 16.1

<0.001

PAEDP (mmHg)

14.1 ± 6.5

11.6 ± 3.8

20.8 ± 7.6

<0.001

Mean PAP (mmHg)

25.8 ± 10.3

21.5 ± 6.9

36.8 ± 9.5

<0.001

PVR (Wood unit)

2.5(1.0–9.0)

2.2(1.0–25.2)

4.0(1.9–9.0)

<0.001

EROA (mm²)

61.8(22.0–250.9)

55.9(22.0–250.9)

87.5(27.0–225.1)

<0.001

RVol (ml)

107.1 ± 51.8

99.1 ± 48.4

129.1 ± 55.2

0.001

Severe MR

123(79.9)

85(75.2)

38(92.7)

0.017

LVEF (%)

68.1 ± 5.9

68.4 ± 5.9

67.2 ± 6.1

0.231

LAV (ml)

109.8(44.5–653.4)

94.3(44.5–486.3)

147.1(70.9–653.4)

<0.001

LAV index (ml/m²)

67.1(24.7–391.3)

59.3(24.7–276.3)

88.4(42.0–391.3)

<0.001

LA diameter (mm)

52.9 ± 11.1

50.0 ± 9.6

60.8 ± 11.1

<0.001

LVDd (mm)

56.6 ± 6.7

56.2 ± 6.5

58.8 ± 6.3

0.029

LVSd (mm)

33.8 ± 5.7

33.3 ± 5.9

35.2 ± 4.8

0.072

LVEDV (ml)

113.3 ± 33.0

110.2 ± 32.2

122.0 ± 33.7

0.049

LVESV (ml)

36.5 ± 13.6

35.0 ± 13.2

40.5 ± 13.9

0.027

LVMI (g/m²)

146.4 ± 43.4

139.4 ± 38.5

165.7 ± 50.7

0.001

E (cm/sec)

119.2 ± 33.8

108.7 ± 28.6

149.0 ± 29.8

<0.001

A (cm/sec)

70.8 ± 24.1

71.1 ± 24.7

69.3 ± 21.9

0.743

E/A

1.8 ± 0.8

1.6 ± 0.7

2.3 ± 1.0

<0.001

DT (ms)

201.9 ± 48.6

208.5 ± 50.5

182.7 ± 37.1

0.005

E/E’

15.9 ± 6.1

14.4 ± 5.3

20.7 ± 6.0

<0.001

TAPSE (mm)

22.7 ± 4.5

23.3 ± 4.3

21.2 ± 5.0

0.011

S_t’ (cm/sec)

12.2 ± 2.2

12.3 ± 2.0

11.7 ± 2.7

0.148