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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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