Novel blood test helps evaluate severity in pulmonary arterial hypertension, a rare lung disease

Researchers have found that a novel blood test can be used to easily evaluate disease severity in patients with pulmonary arterial hypertension (PAH) and predict survivability. PAH is a rare, life-threatening condition that causes unexplained high blood pressure in the lungs. In early clinical studies, the researchers showed the test to significantly improve upon conventional tests, some of which use invasive tools.

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