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The Ultrasound Journal

Table 3 Correlations between echocardiographic parameters and arterial partial pressure of carbon dioxide (PaCO2) in patients with preserved and depressed RV systolic function

From: Pulmonary artery acceleration time accuracy for systolic pulmonary artery pressure estimation in critically ill patients

 

TAPSE ≥ 17 mm

TAPSE < 17 mm

Correlation coefficient (ρ)

p-value

Correlation coefficient (ρ)

p-value

sPAP vs. PaCO2

0.322

0.0005

0.191

0.0355

PAAT vs. PaCO2

−0.385

 < 0.0001

–

0.2333

TAPSE vs. PaCO2

–

0.9726

0.187

0.0401

  1. PAAT pulmonary artery acceleration time, PaCO2 arterial partial pressure of carbon dioxide, sPAP systolic pulmonary artery pressure, TAPSE tricuspid annular plane systolic excursion
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