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Table 1 Hemodynamic measurements

From: Stent interventions for pulmonary artery stenosis improve bi-ventricular flow efficiency in a swine model

 

Sham

Left PAS

Intervention

Body weight (kg)

56 ± 7

57 ± 5

53 ± 10

Heart rate (bpm)

88 ± 8

84 ± 6

94 ± 15

RV/(LV + Septum) (g/g)

0.42 ± 0.03

0.40 ± 0.04

0.43 ± 0.04

Right atrial pressure (mmHg)

7 ± 2

10 ± 1

6 ± 1#

RV Systolic pressure (mmHg)

28 ± 4

38 ± 4*

28 ± 3#

Mean main PA pressure (mmHg)

19 ± 1

24 ± 1*

17 ± 1#

Main PA pressure (sys/dia, mmHg)

29 ± 3/14 ± 3

38 ± 4*/17 ± 2

26 ± 3#/13 ± 2

Right PA pressure (sys/dia, mmHg)

27 ± 3/15 ± 3

37 ± 3/18 ± 3

25 ± 3#/13 ± 3

Distal LPA pressure (sys/dia, mmHg)

28 ± 2/17 ± 2

15* ± 6/13 ± 5

23 ± 4#/14 ± 3

Proximal LPA pressure gradient (mmHg)

1 ± 2

23* ± 4

4 ± 4#

PCWP (mmHg)

10 ± 1

11 ± 3

8 ± 1#

  1. *p < 0.05 vs. sham control, #p < 0.05 vs. LPAS control, sys systolic, dia diastolic, LPA left pulmonary artery, LV left ventricle, PA pulmonary artery, PCWP pulmonary capillary wedge pressure, RV right ventricle