Asymptomatic carotid stenosis: Is prophylactic endarterectomy justifiable?

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Abstract
Carotid endarterectomy is well established in the treatment of selected cases of atherosclerosis of the carotid bifurcation; however, its role in the management of asymptomatic stenosis of the internal carotid artery remains controversial. Over a 4 year period 190 patients with 209 asymptomatic stenoses of the internal carotid artery were prospectively studied by means of Doppler ultrasound in combination with real time spectral analysis to determine the natural history of asymptomatic carotid stenosis. We report a cumulative stroke-free survival of 97 per cent at 3 years and we therefore question the merit of prophylactic endarterectomy in the management of asymptomatic carotid disease.

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