Perfusion scan findings understate the severity of angiographic and hemodynamic compromise in chronic thromboembolic pulmonary hypertension.

@article{Ryan1988PerfusionSF,
  title={Perfusion scan findings understate the severity of angiographic and hemodynamic compromise in chronic thromboembolic pulmonary hypertension.},
  author={Kathy L. Ryan and Peter F. Fedullo and G. B. Davis and T E Vasquez and Kenneth M. Moser},
  journal={Chest},
  year={1988},
  volume={93 6},
  pages={1180-5}
}
Major vessel chronic thromboembolic pulmonary hypertension is potentially remediable by thromboendarterectomy. The diagnosis often has been delayed because a lung perfusion scan demonstrated modest defects thought to be incompatible with severe vascular obstruction. To define the relationships between perfusion scan abnormalities, angiographic findings, and hemodynamic data, we analyzed 25 consecutive patients with chronic major vessel thromboembolic pulmonary hypertension who subsequently… CONTINUE READING
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