Echocardiographic and invasive measurements of pulmonary artery pressure correlate closely at high altitude.

@article{Allemann2000EchocardiographicAI,
  title={Echocardiographic and invasive measurements of pulmonary artery pressure correlate closely at high altitude.},
  author={Yves Allemann and Claudio Sartori and Mattia Lepori and Sebastien J Pierre and Christian M{\'e}lot and Robert Naeije and Urs Scherrer and Marco Maggiorini},
  journal={American journal of physiology. Heart and circulatory physiology},
  year={2000},
  volume={279 4},
  pages={
          H2013-6
        }
}
Exaggerated hypoxia-induced pulmonary hypertension is a hallmark of high-altitude pulmonary edema (HAPE) and plays a major role in its pathogenesis. Many studies of HAPE have estimated systolic pulmonary arterial pressure (SPAP) with Doppler echocardiography. Whereas at low altitude, Doppler echocardiographic estimation of SPAP correlates closely with its invasive measurement, no such evidence exists for estimations obtained at high altitude, where alterations of blood viscosity may invalidate… CONTINUE READING
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