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Abstract
The first and larger part of this article is devoted to a brief review of colour duplex echography of atherosclerotic lesions of the carotid artery: history, basic principles, technique, and diagnostic value. The authors, a vascular surgical team, witness from their own experience, with due attention to surgical practice.
In the last part concerning duplex-based surgical decision, the results of a small scale trial conducted in 1996 in their department are presented: in 36 consecutive operated cases, the operative data and excised plaque were compared to the preoperative colour-duplex data regarding degree of stenosis, geometry of the lesion, and plaque composition. Results were expressed as perfect, fair, poor: stenosis (33, 2, 1), geometry (27, 5, 4), plaque (20, 10, 6). The surgical decision appeared perfectly justified in 35 cases (97%).
It is concluded that colour-duplex echography is invaluable in the management of carotid artery atherosclerotic disease and that carotid artery surgery may generally be performed after a “duplex only” investigation. Every laboratory should make continuous efforts in monitoring and improving its own quality.
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Notes on contributors
Ph. Gutwirth
Ph. Gutwirth Eeuwfeestkliniek Harmoniestraat 68 B-2018 Antwerp, Belgium E-mail: [email protected]