Neurologia (Barcelona, Spain) · 2006
[Light-induced amaurosis fugax].
Клинический случайАннотация на английскомСтатьяНазвание и аннотация: Перевод в очереди
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Calleja S, Vega F, Zeidán N, Lahoz C H
Аннотация
INTRODUCTION: Internal carotid artery atherosclerotic disease may present with a wide variety of ipsilateral ocular symptoms and signs that can herald a devastating stroke. Asymptomatic retinal emboli, transient monocular visual loss (also known as amaurosis fugax) and central retinal artery occlusion are the most common.
CLINICAL CASE: A 66-year-old man presented several spells of monocular light-induced amaurosis fugax related to a severe carotid occlusive disease. Ancillary tests showed an exhausted cerebrovascular reactivity and visual evoked potentials demonstrated an increased latency. Following a carotid endarterectomy the patient remained asymptomatic and ancillary tests normalized.
DISCUSSION: Our report supports the theory that light-induced amaurosis fugax occurs on a hemodynamic basis. A prompt recognition of this symptom is critical since symptomatic severe carotid stenosis implies a high risk of ipsilateral stroke.
CLINICAL CASE: A 66-year-old man presented several spells of monocular light-induced amaurosis fugax related to a severe carotid occlusive disease. Ancillary tests showed an exhausted cerebrovascular reactivity and visual evoked potentials demonstrated an increased latency. Following a carotid endarterectomy the patient remained asymptomatic and ancillary tests normalized.
DISCUSSION: Our report supports the theory that light-induced amaurosis fugax occurs on a hemodynamic basis. A prompt recognition of this symptom is critical since symptomatic severe carotid stenosis implies a high risk of ipsilateral stroke.