Brown-Sequard Syndrome

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by rkt23
Last updated 5 years ago

Discipline:
Health & Fitness
Subject:
Health

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Brown-Sequard Syndrome

DefinitionHemisection of spinal cordEtiologyPenetrating trauma, blunt trauma, disc or bone herniation, hematoma, tumorEpidemiologyIncidence = 2-4% of spinal cord injuries (12,000 SCI's/year)Prevalence = 273,000 personsSCI demographics = 67% Caucasian, 24.4% AA, 7.9% Hispanic, 0.7% other; male > female; average age is 42.6Prognosis50-66% recover motor function in first 1-2 months and recovery continues slowly for up to 2 years. Most important prognostic factor is completeness of lesion.

Brown-Sequard Syndrome

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Fun factSimultaneous ipsilateral Horner syndrome has been reported in some cases of cervical trauma due to damage of the paravertebral sympathetic trunk.

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Clinical Manifestations-Ipsilateral loss of motor function (corticospinal tract) below lesion-Ipsilateral loss of vibration and proprioception (dorsal columns) below lesion-Contralateral loss of pain temperature (spinothalamic) 1-2 levels below lesion ~Spinothalamic tract travels ipsilaterally in spinal cord before decussating


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