How is portopulmonary hypertension (PPHTN) diagnosed in cirrhosis?

Updated: Jul 30, 2018
  • Author: David C Wolf, MD, FACP, FACG, AGAF, FAASLD; Chief Editor: BS Anand, MD  more...
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Answer

Answer

Portopulmonary hypertension (PPHTN) is observed in up to 6% of patients with cirrhosis. Its etiology is unknown. PPHTN is defined as the presence of a mean pulmonary artery pressure of greater than 25 mm Hg in the setting of a normal pulmonary capillary wedge pressure.


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