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1.
Can Vet J ; 61(9): 946-950, 2020 09.
Artigo em Inglês | MEDLINE | ID: mdl-32879518

RESUMO

A 9-year-old spayed female Cane Corso dog was presented with a 1-week history of an acute right hind limb non-weight-bearing lameness. Six years previously, a right tibial tuberosity advancement (TTA) procedure had been performed. Orthogonal radiographs of the right pelvic limb taken before presentation revealed a comminuted displaced mid-diaphyseal tibial fracture. An aggressive bone lesion with osteolysis and periosteal reaction of the proximal tibia were evident that were most consistent with a primary bone tumor. The owner elected to have the dog euthanized. After euthanasia a fine-needle aspirate of the right proximal tibia was submitted for clinical pathology. Cytology and alkaline phosphatase staining of the fine-needle aspirate were consistent with osteosarcoma. Key clinical message: To the authors' knowledge, this is only the second reported case of osteosarcoma at the site of a TTA. Implantassociated osteosarcoma has been associated with tibial plateau levelling osteotomy (TPLO) and fracture repair.


Une femelle Cane Corso stérilisée âgée de 9 ans fut présentée avec une histoire d'une boiterie sans appui de la patte arrière droite apparue de manière aiguë depuis 1 semaine. Six ans auparavant, une chirurgie d'avancement de la tubérosité tibiale droite (TTA) avait été réalisée. Des radiographies orthogonales du membre pelvien droit prises avant la présentation ont révélé une fracture comminutive déplacée du tibia au niveau mi-diaphysaire. Une lésion osseuse agressive avec ostéolyse et réaction du périoste du tibia proximal étaient évidentes et considérées compatibles avec une tumeur osseuse primaire. Le propriétaire opta pour l'euthanasie du chien. À la suite de l'euthanasie une aspiration à l'aiguille fine du tibia proximal droit fut soumise pour examen en pathologie clinique. La cytologie et une coloration à la phosphatase alcaline de l'aspiration à l'aiguille fine étaient compatibles avec un ostéosarcome.Message clinique clé :À la connaissance de l'auteur, ceci est seulement le deuxième cas rapporté d'un ostéosarcome au site d'une TTA. Les ostéosarcomes associés aux implants ont été associés avec l'ostéotome de nivellement du plateau tibial (TPLO) et la réparation de fracture.(Traduit par Dr Serge Messier).


Assuntos
Doenças do Cão , Osteossarcoma , Animais , Doenças do Cão/diagnóstico por imagem , Doenças do Cão/cirurgia , Cães , Eutanásia Animal , Feminino , Osteossarcoma/cirurgia , Osteossarcoma/veterinária , Osteotomia/veterinária , Joelho de Quadrúpedes , Tíbia/cirurgia
2.
Can Vet J ; 44(8): 643-8, 2003 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-13677595

RESUMO

The analgesic efficacy of an epidural morphine/mepivacaine combination alone versus epidural morphine/mepivacaine in combination with meloxicam administered prior to the onset of anesthesia was assessed in 20 dogs undergoing cranial cruciate ligament repair. Numerical and visual analog pain scores were performed prior to anesthesia and at 6, 8, 12, 16, and 24 hours after epidural administration by a trained observer, blinded to treatment. An analgesiometer was used to determine the amount of pressure required to produce an avoidance response at the incision site. Animals that received meloxicam demonstrated a trend toward decreased pain scores over all time periods. Visual analog pain scores tended to be lower in dogs receiving meloxicam across all time periods, with a significant interaction between time and visual analog score at 6 and 8 hours (P < 0.05). No dogs receiving meloxicam required rescue analgesia, while 3 of 10 dogs in the epidural only group required rescue analgesia. Administration of meloxicam in addition to epidural morphine plus mepivacaine conveys improved analgesia as compared with epidural alone. Postoperative analgesia is reliably maintained for 24 hours following administration.


Assuntos
Analgesia Epidural/veterinária , Analgésicos não Narcóticos , Ligamento Cruzado Anterior/cirurgia , Cães/fisiologia , Dor Pós-Operatória/veterinária , Tiazinas , Tiazóis , Analgesia/métodos , Analgesia/veterinária , Analgesia Epidural/métodos , Analgésicos Opioides , Anestésicos Locais , Animais , Cães/cirurgia , Meloxicam , Mepivacaína , Morfina , Medição da Dor/veterinária , Dor Pós-Operatória/prevenção & controle , Distribuição Aleatória , Resultado do Tratamento
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