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Table 2 Hemodynamic Parameters at rest, anerobic threshold and peak exercise. Data are presented as median [interquartile range (IQR)] unless otherwise indicated. *Cardiac output was calculated by the direct Fick method

From: Cardiopulmonary exercise test to detect cardiac dysfunction from pulmonary vascular disease

 

Rest

Anerobic threshold

Peak exercise

mean arterial blood pressure, mmHg

100.5 [92, 108]

118.5 [112, 126]

128 [116, 133]

mean PAP, mmHg

19 [15, 23]

32 [22.8, 34.8]

38 [30.5, 42.5]

PAOP, mmHg

12 [10, 14]

18 [15.3, 20]

22 [18, 26]

PVR, Wood Units

1.1 [0.5, 2.0]

1.068 [0.69, 1.67]

0.95 [0.7, 1.5]

Cardiac output, L/min

6 [5, 8]

10.2 [9.0, 13.4]

13.2 [11.3, 15.9]

Cardiac index, L/min/m2

3 [3, 4]

5.9 [4.4, 7.1]

6.8 [6.1, 7.9]

Stroke volume, ml/beat

91.4 [65.4, 122.7]

96.2 [85.7, 124.8]

98.1 [84.7, 120.8]

PaO2, mmHg

86 [78, 97]

79 [72, 95.5]

79 [72.5, 91.3]

PaCO2, mmHg

38 [34, 40]

38 [35.3, 41.5]

36 [33, 40]

PvO2, mmHg

39 [36, 43]

30.5 [27.2, 33]

28 [24, 30]

Arterial saturation, %

98 [97, 99]

97.4 [95.4, 98.6]

97.6 [95.2, 98.6]

PA saturation, %

76 [71, 79]

56.8 [50.1, 59.1]

46.7 [38.9, 51.3]

  1. PAP, pulmonary artery pressure. PAOP, pulmonary artery occlusion pressure. PVR, pulmonary vascular resistance. PaO2, partial pressure of oxygen. PaCO2, partial pressure of carbon dioxide. PvO2, mixed venous oxygen pressure. PA, pulmonary artery