Revista de neurologia · 1999
[Ischemic anoxic cerebral crises in children. Electrophysiological aspects].
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Pozo-Alonso A J, Pozo-Lauzán D, Alvarez-Flores G, Cathcart-Roca F
Аннотация
INTRODUCTION: Ischemic anoxic cerebral crises are linked to cardio-inhibition in response to vagal hypersensitivity which causes cerebral ischemic.
OBJECTIVE: In this paper we proposed to describe the clinical and electrophysiological features seen during the ocular compression test.
PATIENTS AND METHODS: We studied 200 children with clinical findings suggesting ischemic anoxic cerebral crises with positive results on ocular compression testing.
RESULTS: The ocular compression test provoked signs and symptoms, on average, in between 48.5% and 62.5% of the patients; generalized hypotonia and loss of consciousness were the most frequent signs. We found that the presence of clinical changes depended on the duration of the pause in heartbeat. There was also an association between the duration of the pause in heartbeat and the electroencephalographic findings.
CONCLUSIONS: Identification of a state of vagal hypersensitivity is of considerable value in the positive differential diagnosis of cerebral crises in children, and of definite prognostic value.
OBJECTIVE: In this paper we proposed to describe the clinical and electrophysiological features seen during the ocular compression test.
PATIENTS AND METHODS: We studied 200 children with clinical findings suggesting ischemic anoxic cerebral crises with positive results on ocular compression testing.
RESULTS: The ocular compression test provoked signs and symptoms, on average, in between 48.5% and 62.5% of the patients; generalized hypotonia and loss of consciousness were the most frequent signs. We found that the presence of clinical changes depended on the duration of the pause in heartbeat. There was also an association between the duration of the pause in heartbeat and the electroencephalographic findings.
CONCLUSIONS: Identification of a state of vagal hypersensitivity is of considerable value in the positive differential diagnosis of cerebral crises in children, and of definite prognostic value.