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Ocular pneumoplethysmography: detection of carotid occlusive disease.

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  • Research Article
Disciplines
  • Medicine

Abstract

To determine the accuracy of ocular pneumoplethysmography (OPG-Gee) in detecting carotid arterial occlusive disease, 350 patients were tested by OPG-Gee. Sixty-three patients underwent angiography and the findings were correlated with the results of OPG-Gee tracings. Testing without carotid compression averaged three minutes and was easily performed by a physician or technician. There were no significant complications. Hypertension did not affect evaluation. There were two false-negative tests and no false-positive tests. Without carotid compression the overall accuracy for testing for significant arterial stenosis was 97%. When a carotid compression test was added, the two missed lesions were detected.

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