Disturbances of the hypothalamic thermoregulation

Although compression of the hypothalamus in cases of suprasellar tumour is common, spontaneous dysregulation of body temperature is extremely rare. Bilateral localization of the hypothalamic nuclei and a high grade of compensatory value of temperature regulation may be the reason for this phenomenon...

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Bibliographic Details
Published in:Acta neurochirurgica 1985-01, Vol.75 (1-4), p.106-112
Main Author: CLAR, H. E
Format: Article
Language:English
Subjects:
Adenoma - physiopathology
Animals
Biological and medical sciences
Body Temperature Regulation
Brain Injuries - physiopathology
Cerebral Infarction - physiopathology
Craniopharyngioma - physiopathology
Disorders of higher nervous function. Focal brain diseases. Central vestibular syndrome and deafness. Brain stem syndromes
Dogs
Homeostasis
Humans
Hypothalamic Diseases - physiopathology
Hypothalamus - physiopathology
Medical sciences
Nervous system (semeiology, syndromes)
Neurology
Pituitary Neoplasms - physiopathology
Rabbits
Subarachnoid Hemorrhage - physiopathology
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Summary:Although compression of the hypothalamus in cases of suprasellar tumour is common, spontaneous dysregulation of body temperature is extremely rare. Bilateral localization of the hypothalamic nuclei and a high grade of compensatory value of temperature regulation may be the reason for this phenomenon. In the postoperative period temperature dysregulation is observed more often. In order to analyse the influence of diencephalic regulation in these patients classification of the degree of hypothalamic compression is necessary. The problem was studied under experimental and clinical conditions. Experimental studies in rabbits after acute hypothalamic compression and decompression showed a reversible disturbances of temperature regulation. Hypothalamic compression in dogs resulted in reversible hypothalamic endocrine dysfunction. Clinical observations of body temperature in the period after operation of suprasellar tumors showed similar results. The temperature study was extended on patients with cerebral trauma and intracranial haemorrhage to differentiate the degree of hypothalamic lesion. Morphological examinations confirmed alterations localized in the anterior and posterior region of the hypothalamus. The analysis proved the fact that temperature regulation seems to be a highly sensitive parameter of diencephalic function.
ISSN:0001-6268
0942-0940
DOI:10.1007/BF01406330