Primary Article

Ventilation-Perfusion Imaging and Pulmonary Angiography Changing Pattern of Use

Authors: CHARLES D. TEATES MD, DIRAN R. BEZIRDJIAN MD, STUART T. BRAY MD, CHARLES J. TEGTMEYER MD, BRIAN R. J. WILLIAMSON MD

Abstract

The hospital and departmental records of the University of Virginia Medical Center from 1976 to 1980 show an increasing frequency of ventilation studies relative to perfusion studies and a decrease in frequency of ventilation-perfusion diagnosis of pulmonary embolus. Pulmonary angiograms have increased from one per 68 nuclear studies to one per 14. A review of 70 patients with correlating angiography or autopsy shows that 89% of nuclear studies were accurate. We have revised our interpretation criteria and indications for pulmonary angiography.

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