Clinical and Experimental Study on Thermoregulatory System and its Relation with Vasomotor Rhinitis
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Abstract
Introduction
Much of the perennial cold are of vasomotor origin still a less appreciated phenomenon even among the medical personnel, much of which is dubbed in a cursorily in the clinical analogue of a west paper wrap as ‘allergic rhinitis’. This study was attempted to find out the role of thermoregulatory system with causation of vasomotor rhinitis and assessing role of hypothalamus in causation of vasomotor rhinitis.
Materials and Methods
In this study conducted during the period of July 1987 to August 1988, 20 normal adult individuals were taken as control and thermoregulatory study was done on them. The results were compared with cases of vasomotor rhinitis/non-allergic rhinopathy cases. In experimental study thermoregulatory study was done on albino rats before and after stereotaxis of anterior and posterior hypothalamic nuclei and the result were compared before stereotaxis and post stereotaxis.
Results
Among human study in clinical subjects, patient suffering from vasomotor rhinitis showed a definite shift towards thermoregulatory imbalance both for generalized body caloric fluctuation and particularly on the nasal mucosa. Post-vidian neurectomy results for thermoregulation test was highly significant. In animal study post-hypothalamic stereotaxis temperature measurement showed minimal depression. Dorsal anterior hypothalamic lesion ablation showed significant derangement in the thermoregulatory tolerance profile of the rats’ belly temperature. Posterior hypothalamic lesion showed that there may be some amount of derangements in the thermoregulatory tolerance, which however is not statistically conclusive. Thermoregulatory control is done at hypothalamus, particularly at anterior hypothalamic nuclei level and posterior hypothalamic nuclei in the brain. Thermoregulatory study proves a close correlation between non allergic rhinitis with imbalance in central thermal regulation by hypothalamus.
Conclusion
Thermoregulatory study in control and clinical subjects proves a close correlation between vasomotor rhinitis and sympathetic, parasympathetic system.
Article Details
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