Trunk reflexes

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Trunk reflexes correspond to the intactness of a certain part of the trunk. Basically these are unconditioned reflexes and their examination does not require the cooperation of the patient. This is especially beneficial in a situation where it is necessary to evaluate neurological findings in an unconscious person. Examination of the trunk and diencephalic reflexes is usually preceded by the determination of the level of consciousness using the Glasgow Coma Scale. In people with an altered neurological condition, clinical diagnosis is quite complicated. The equipment of the trunk reflexes makes it possible to specify the vertical localization of the problem, as well as the possible progression or regression of the condition.

Reflexes are always examined in craniocaudal order (see table). The last non-equipped reflex and the first equipped reflex determine the lowest level of trunk disability. Trunk reflexes tend to be symmetrically preserved n metabolic, anoxic and toxic bilateral impairments of the hemispheres. It gradually disappears during the progression of the craniocaudal deterioration syndrome. They are renewed in the same order when the syndrome recedes, no later than the end of the second week. A delay in recovery indicates a secondary complication of the condition, such as infection or intracranial hypertension. Reflexes are unilaterally affected in unifocal lesions.

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