avulsão do plexo braquial em cães -1: aspectos clínicos e neurológicos brachial plexus avulsion in dogs -1: clinical and neurological aspects

Clicks: 216
ID: 252280
1997
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Abstract
A avulsão do plexo braquial é afecção de ordem traumática relativamente comum, ocasionando paralisia grave do membro torácico. É freqüentemente confundida com paralisia do nervo radial, havendo controvérsias sobre o tratamento. O objetivo deste trabalho foi: avaliar clinica e neurologicamente cães com avulsão do plexo braquial, demonstrando os aspectos significativos para o diagnóstico desta afecção. Observou-se predominância de cães sem raça definida, fêmea, com menos de três anos de idade, sendo o atropelamento a etiologia principal. As alterações clinicam/neurológicas mais freqüentes foram: paralisia flácida, ausência do reflexo dopanículo, ausência dos reflexos tricipital, bicipital e extensor do carpo radial, atrofia dos músculos tríceps, bíceps, supra-espinhal, infra-espinhal e extensores do carpo, anestesia cutânea abaixo do nível do cotovelo e abrasão/ulceração em face dorsal da mão. A associação destes resultados com os aspectos da histologia e da eletroneuroestimulação (relatados na parte 2 e 3 deste trabalho, respectivamente) sugeriu envolvimento quase que total das raízes do plexo braquial em todos os casos.
Brachial plexus avulsion is a relatively common affection, causing serious paralysis of the thoracic limb. It is often misdiagnosed as radial paralysis and there are controversies about the treatment. The main purposes of this work were: to evaluate clinically and neurologically dogs with brachial plexus avulsion and to demonstrate the relevant aspects in the diagnosis of this affection. Predominantly mixed breed dogs, females under three years of age were observed, and the brachial plexus avulsion was mainly a result of road accidents. The more frequent clinical and neurological signs were: flacid paralysis, loss of the panniculus, triceps, biceps and extensor carpi radial muscle reflexes, atrophy of the muscles triceps, biceps, extensor carpi radial, supraspinatus and infraespinatus; superficial skin sensorial loss distal to the elbow; dorsal carpal skin abrasions and ulceration. The association of these results with histologic and electroneurostimulation exams (described in part 2 and 3 of this work respectively) suggested in all cases an almost total involvement of brachial plexus roots.
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Authors ;Mônica Vicky Bahr Arias;Ângelo João Stopiglia
Journal Trials
Year 1997
DOI
10.1590/S0103-84781997000100014
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84781997000100014
Keywords
peripheral nervous system dogs and biopsyagricultureagriculture (general)

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