PMID: 18432023Apr 25, 2008Paper

Computed tomography angiography in pulmonary hypertension

The Israel Medical Association Journal : IMAJ
Ahuva GrubsteinMordechai R Kramer

Abstract

Diseases causing increased pulmonary pressure will subsequently cause a dilation of the pulmonary arteries and right heart chambers. To assess the capability of computed tomography angiography and high resolution CT to diagnose and estimate the severity of pulmonary arterial hypertension as compared with standard means of right heart catheterization, echocardiography and pulmonary function tests. The study included 38 patients with PHT who underwent CT angiography and HRCT as part of their routine evaluation. Diagnoses included: primary PHT (n=20), Eisenmenger syndrome (n=6), scleroderma (n=3), thromboembolic disease (n=3), and others (n=6). Mean pulmonary artery pressure was 58 mmHg (range 39-92 mmHg) by catheterization and peak systolic pressure 79 mmHg (range 40-135) by echocardiography. Findings for the diameters of the main pulmonary artery and its main branches, the ascending aorta, the right atria and ventricle as well as the position of the interventricular septum were compared with 22 chest CT scans of patients with no known clinical history of pulmonary hypertension, performed for other reasons (trauma, oncology follow-up) during the study period. Correlations were also calculated with recent right heart catheterizati...Continue Reading

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