Comparação de achados radiográficos e artroscópicos na displasia do cotovelo em cães : estudo retrospetivo
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2021
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Resumo
A displasia do cotovelo é uma das principais causas de claudicação do membro torácico em cães jovens, de raça média ou grande.
No presente trabalho pretendeu-se estudar o espetro de achados clínicos, radiográficos e artroscópicos observados na displasia do cotovelo, bem como avaliar a sua importância relativa no diagnóstico e despistar eventuais correlações entre os achados. Para tal, foram analisados os dados completos de 119 cães diagnosticados com displasia do cotovelo entre junho de 2011 e junho de 2021 e recorreu-se a análise estatística para identificar possíveis associações entre eles.
Na amostra, a raça Labrador Retriever foi a mais afetada (48% dos cães), o rácio macho:fêmea foi 3,4:1 e a mediana de idades 11 meses. O achado prevalente na radiografia dos cotovelos foi a esclerose subtroclear (93%) e na artroscopia foi a fragmentação ou fissuração do processo coronóide medial (89%).
Não foram encontradas correlações entre os sinais clínicos, radiográficos e artroscópicos, mas foram encontradas correlações significativas entre as idades e a escala de Outerbridge e entre a presença de fragmentos e a escala de Outerbridge.
Concluiu-se que a artroscopia deve ser sempre usada complementarmente à radiografia porque permite avaliar diretamente, e com maior precisão, as lesões na articulação e cartilagem.
Elbow dysplasia is one of the most common causes of thoracic limb lameness in young dogs, particularly in medium and large breeds. The objective of this thesis was to study the spectrum of clinical, radiographic, and arthroscopic findings observed in elbow dysplasia, as well as to evaluate their relative importance in the diagnosis and also uncover possible correlations between them. For that purpose, complete clinical records (June 2011- June 2021) of 119 dogs diagnosed with elbow dysplasia were reviewed. Statistical analysis was done to evaluate the association between data. Most of the affected dogs were Labrador Retrievers (48%), the male:female ratio was 3,4:1 and the median age was 11 months. The predominant radiographic finding in the elbows was subtrochlear sclerosis (93%) and the arthroscopic finding was the fragmentation or fissuring of the medial coronoid process (89%). No correlations were found between the clinical, radiographic, and arthroscopic signs, however, there were significant correlations between the age of the dog and the modified Outerbridge score, and between the presence of fragmentation and the Outerbridge score. In conclusion, arthroscopy should always be used complementarily to radiography because it allows a direct and more accurate examination of the joint and cartilage pathology.
Elbow dysplasia is one of the most common causes of thoracic limb lameness in young dogs, particularly in medium and large breeds. The objective of this thesis was to study the spectrum of clinical, radiographic, and arthroscopic findings observed in elbow dysplasia, as well as to evaluate their relative importance in the diagnosis and also uncover possible correlations between them. For that purpose, complete clinical records (June 2011- June 2021) of 119 dogs diagnosed with elbow dysplasia were reviewed. Statistical analysis was done to evaluate the association between data. Most of the affected dogs were Labrador Retrievers (48%), the male:female ratio was 3,4:1 and the median age was 11 months. The predominant radiographic finding in the elbows was subtrochlear sclerosis (93%) and the arthroscopic finding was the fragmentation or fissuring of the medial coronoid process (89%). No correlations were found between the clinical, radiographic, and arthroscopic signs, however, there were significant correlations between the age of the dog and the modified Outerbridge score, and between the presence of fragmentation and the Outerbridge score. In conclusion, arthroscopy should always be used complementarily to radiography because it allows a direct and more accurate examination of the joint and cartilage pathology.
Descrição
Orientação: João Martins ; coorientação: José Diogo Santos
Palavras-chave
MESTRADO INTEGRADO EM MEDICINA VETERINÁRIA, MEDICINA VETERINÁRIA, VETERINÁRIA, CÃES, CANÍDEOS, DISPLASIA DO COTOVELO, ARTROSCOPIA, RADIOGRAFIA, DOENÇA DO CORONÓIDE MEDIAL, VETERINARY MEDICINE, CANIDS, DOGS, ELBOW DYSPLASIA, ARTHROSCOPY, X-RAYS, MEDIAL CORONOID DISEASE