Parameter

Fixed pericardial patch

PTFE patch

Total

P value

Trans pulmonary

gradient (mm Hg)

Mean ± SD

Median

Min ? Max

68.56 ± 13.05

69

42 ? 97

69.41 ± 12.97

67

44 ? 93

67.75 ± 13.77

66

42 ? 97

0.243

Fractional area change

Mean ± SD

Median

Min ? Max

0.613 ± 0.25

0.59

0.52 ? 0.68

0.596 ± 0.19

0.55

0.49 ? 0.65

0.607 ± 0.17

0.56

0.49 ? 0.68

0.097

TAPSE (cm)

Mean ± SD

Median

Min ? Max

1.81 ± 0.52

1.74

1.39 ? 2.4

1.92 ± 0.16

1.80

1.40 ? 2.3

1.88 ± 0.34

1.77

1.39 ? 2.4

0.78