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Table 4 Pulmonary artery hypertension primary vs secondary: echocardiography measurements and outcome

From: Heart recovery and reverse remodeling following lung transplant in pulmonary artery hypertension

Patients characteristics

Primary (n = 11)

Secondary (n = 32)

P value

Pre-operative echocardiography

 Ejection fraction

65 (65–68)

65 (60–70)

0.91

 Body surface area, m2

1.9 (1.65–2.02)

1.86 (1.76–2.01)

0.98

 Left atrium A-P dimension, mm

34 (30.5–38)

33 (31–39)

0.89

 Systolic RVP, mm Hg

71 (63–80.5)

40 (34–60)

0.004

 RV basal diameter, mm

53 (46–55)

40 (38–35)

0.006

 RA diameter, mm

60 (49–65.5)

38.5 (31.75–45.25)

0.001

 TV peak regurgitant velocity

3.97 (3.52–4.17)

2.97 (2.67–3.64)

0.02

Post-operative echocardiography

 Ejection fraction

64 (60–65)

61.5 (56.2–65)

0.95

 Body surface area, m2

1.7 (1.7–2.1)

1.92 (11.62–2.07)

0.79

 Left atrium A-P dimension, mm

38 (37–43)

39 (33.5–41.7)

0.40

 Systolic RVP, mm Hg

31 (27–34.5)

26 (23.75–30)

0.14

 RV basal diameter, mm

34 (28–36)

36 (34–44)

0.13

 RA diameter, mm

35 (33–42)

37 (33–40)

0.67

 TV peak regurgitant velocity

2.4 (2.24–2.52)

2.27 (2.16–2.42)

0.35

  1. A-P Lung transplant surgery: anterio-posterior, RVP Right ventricular pressure, RV Right ventricle, RA Right atrium, TV Tricuspid valve