BRUCE H. BRUNDAGE, M.D.; STUART RICH, M.D.
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To the editor: Shure and colleagues (1) recently reported on the use of angioscopy in patients with chronic pulmonary arterial obstruction. We concur that "standard techniques" may have difficulty in diagnosing this condition. We also agree that determination of the proximal extent of these obstructions is critical because it predicts the potential success of surgical attempts at re-establishing vessel patency.
We also want to point out the value of x-ray transmission computed tomography (CT) in evaluating chronic pulmonary arterial obstruction. This imaging technique has been shown to identify successfully the proximal extent of these obstructions better than pulmonary angiography because
BRUNDAGE BH, RICH S. Angioscopy and Chronic Pulmonary Arterial Obstruction. Ann Intern Med. ;104:586. doi: 10.7326/0003-4819-104-4-586_2
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Published: Ann Intern Med. 1986;104(4):586.
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