Light-headedness and defective cardiovascular reflexes after neck radiotherapy.

Abstract

METHODS: We investigated the possibility of carotid baroreflex dysfunction as the cause of cerebral insufficiency in head and neck cancer patients treated with neck radiotherapy. Three patients cured with radiation therapy were evaluated for light-headedness and syncope. Orthostatic blood pressure, heart rate responses to esmolol and atropine, and… (More)

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