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Table 1 Hemodynamics at rest in 74 patients with advanced chronic obstructive pulmonary disease (from [7])

From: Pulmonary hypertension associated with COPD

   

Limits

Variable

COPD

Range

of normal

Q (l/min per m2)

3.8 ± 0.8

2.2–5.2

2.6–4.6

Pra (mmHg)

4 ± 4

0–8

2–9

Pla (mmHg)

6 ± 4

2–10

4–14

Ppa (mmHg)

35 ± 12

11–59

8–20

PVR (dyne·s·cm-5 per m2)

660 ± 284

91–1228

40–200

  1. Values are mean ± SD. Pla = left atrial pressure (estimated from a pulmonary artery occluded pressure); Ppa = mean pulmonary artery pressure; Pra = right atrial pressure; PVR = pulmonary vascular resistance; Q = cardiac output.
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Critical Care

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