Avaliação radiográfica de cães com displasia coxofemoral tratados pela sinfisiodese púbica / Radiographic evaluation in dogs with hip dysplasia treated by pubic symphysiodesis

Avaliou-se a progressão dos sinais radiográficos de cães com displasia coxofemoral ou potencialmente displásicos tratados pela técnica da sinfisiodese púbica. Foram utilizados 14 cães, seis machos e oito fêmeas, com idades entre quatro e seis meses. Após exame físico, procedeu-se ao exame radiográfico para avaliação da articulação coxofemoral, segundo padrão estabelecido pelo Colégio Brasileiro de Radiologia Veterinária. Três deles foram também avaliados pelo método PennHIP. Pelo histórico clínico, nove (64 por cento) animais foram trazidos por manifestarem sinais de dificuldade locomotora com os membros pélvicos, manifestada especialmente por claudicação unilateral ou bilateral e dificuldade de se levantar. Cinco (36 por cento) cães não tinham qualquer sinal clínico, e em quatro (29 por cento) realizou-se o exame radiográfico como prevenção. O sinal físico mais evidente foi dor à palpação da articulação coxofemoral, e dois (14 por cento) cães apresentaram sinal de Ortolani positivo. Com exceção de um cão que apresentou infecção nos pontos cutâneos, todos os demais evoluíram sem complicações no período pós-operatório. Radiograficamente houve progressão das lesões articulares em seis (43 por cento) animais e oito (57 por cento) mantiveram a classificação inicial. Concluiu-se que cães tratados pela sinfisiodese púbica não apresentam melhora dos sinais radiográficos iniciais.

The radiographic findings in hip dysplastic or potentially hip dysplastic dogs treated by the pubic symphysiodesis were evaluated using 14 dogs - six males and eight females -, aging from four to six-month-old. After physical examination, the hip joint was evaluated by radiographic examination according to pattern established by the Colegio Brasileiro de Radiologia Veterinária. In addition, three dogs were evaluated by PennHIP method. According to medical history, nine (64 percent) dogs were admitted due to signs of locomotor difficulty in pelvic limbs, especially characterized by uni or bilateral lameness and stiffness on rising. Five (36 percent) dogs had no clinical signs. Radiographic examination was performed in four (29 percent) dogs as prevention. The most evident physical sign was pain on manipulation of the hip with Ortolani-positive in two (14 percent) dogs. Except for one dog that presented infection signs in the skin suture, no other postoperative complication was observed. The follow-up radiographic examination revealed progression of the degenerative articular changes in six (43 percent) dogs, and eight (54 percent) had no progression. In conclusion, the dogs treated by pubic symphysiodesis did not have improvement of the preoperative radiographic signs.

Reconstruction of humeral length from measurements of its proximal and distal fragments

The aim of the present study was to estimate the length of humeri from measurements of their proximal and distal fragments. This information is important in archaeological studies and forensic investigations, particularly when fragmented material is examined. Forty humerus of adults individuals, sex-aggregated, of the Departamento de Anatomia/UFRJ collection were selected to analysis (right = 20; left = 20). Maximum length and measures of 12 fragments of the humerus (proximal = 7; distal = 5), named P1-P7 and D1-D5, were obtained by means an osteometrical board and an analogical caliper. Simples and multiple linear regressions (p < 0.01) were made to correlate each fragment with total length of the humerus. In right humeri, best estimates were observed with P1, P4, P6, P7 (proximal fragments) and D1, D2, D3, and D4 (distal fragments). In left side, P1, P6 (proximal fragments) and D1, D2, D3 (distal fragments) showed best results. Multiple regressions did not show significant increase in estimates of the humeral length. Regressions formulae were obtained to define these estimative. In conclusion, our study demonstrated that length of the humerus can be estimated from measures of proximal or distal fragments.