[Long-term follow-up of pulmonary hypertension of unknown etiology].

@article{Lang1990LongtermFO,
  title={[Long-term follow-up of pulmonary hypertension of unknown etiology].},
  author={Isla Lang and Meinhard Kneussl and Herbert Frank and Johannes Mlczoch},
  journal={Pneumologie},
  year={1990},
  volume={44 7},
  pages={913-4}
}
Since 1967, 166 patients with primary pulmonary hypertension of unknown etiology have been followed-up at the Department of Cardiology at the University of Vienna. Although an exact etiopathogenetic differentiation was not possible, three groups of patients were identified clinically: patients with so-called primary pulmonary hypertension (PPH)--group 1; patients with pulmonary hypertension induced by anorexipens (aminorex fumarate)--group 2; and patients with pulmonary hypertension due to… CONTINUE READING
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