Noninvasive assessment of pulmonary hypertension: a simultaneous echo-Doppler hemodynamic study.


Thirty patients with stable chronic obstructive lung disease (COLD) underwent an echo-Doppler examination before and during right heart catheterization. No statistically significant differences between observations for any of two-dimensional echo-Doppler parameters were found. The measurement of all parameters taken during the catheterization correlated… (More)