Original

Ischemic anoxic cerebral crises in children. electrophysiological aspects

A.J. Pozo-Alonso, D. Pozo-Lauzán, G. Álvarez-Flores, F. Cathcart-Roca DOI: https://doi.org/10.33588/rn.2911.99399

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Volumen 29 | Number 11 | Nº of views of the article 6.172 | Nº of PDF downloads 103 | Article publication date 01/12/1999

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ABSTRACT

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 KeywordsCerebral anoxia Cerebral ischemia Ocular compression CategoriesNeuropediatría Técnicas exploratorias

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Original

Ischemic anoxic cerebral crises in children. electrophysiological aspects