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1.
Schweiz Arch Tierheilkd ; 161(7): 473-479, 2019 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-31298216

RESUMO

INTRODUCTION: We describe patient-specific surgical guide prototyping and surgical treatment of a complex antebrachial deformity in two skeletally mature dogs presented with chronic lameness. Computer-assisted surgery was elected to increase accuracy in the correction of the complex deformity. Radiographs and computed tomography (CT) scans revealed a biplane deformity with valgus, procurvatum and external torsion of the right radius in both cases. The pre-surgical planning started from the quantification of the angular deformity, followed by computer simulated correction and to end up with a rehearsal surgery on 3D printed bone models. During the surgery, the custom-made osteotomy guides closely fitted the bone, allowing for a precise corrective osteotomy, that was stabilized with two locking plates. Postoperative radiographs showed the successful correction of the deformity. Eight and 12 weeks postoperative follow up examinations showed improved lameness, weight-bearing and progression of bone healing in both dogs. Patient-specific surgical guides allowed for a satisfactory correction of the antebrachial deformity. Additional benefits of using customized surgical devices include standardization and reduced surgical time.


INTRODUCTION: Nous décrivons le prototypage d'une procédure chirurgicale spécifique au patient et le traitement chirurgical d'une déformation antébrachiale complexe chez deux chiens ayant atteint leur maturité squelettique et présentant une boiterie chronique. La chirurgie assistée par ordinateur a été choisie pour accroître la précision de la correction de la déformation complexe. Les radiographies et la tomodensitométrie (TDM) ont révélé une déformation dans deux plans avec valgus, procurvatum et torsion externe du radius droit dans les deux cas. La planification préopératoire a commencé par la quantification de la déformation angulaire, suivie par une correction simulée sur ordinateur et a abouti à une opération de répétition sur des modèles d'os imprimés en 3D. Pendant l'intervention, des guides d'ostéotomie sur mesure ont ajusté l'os de manière exacte, permettant ainsi une ostéotomie correctrice précise, stabilisée avec deux plaques de verrouillage. Les radiographies postopératoires ont montré la réussite de le correction de la déformation. Les examens de suivi postopératoires effectués à huit et douze semaines ont montré une amélioration de la boiterie et de la mise en charge ainsi que la progression de la cicatrisation des os chez les deux chiens. Les guides chirurgicaux spécifiques au patient ont ­permis une correction satisfaisante de la déformation antébrachiale. L'utilisation de matériel chirurgical personnalisé comporte d'autres avantages, tels que la standardisation et la réduction du temps de l'intervention chirurgicale.


Assuntos
Doenças do Cão , Imageamento Tridimensional/veterinária , Deformidades Congênitas dos Membros/veterinária , Osteotomia/veterinária , Tomografia Computadorizada por Raios X/veterinária , Animais , Doenças do Cão/congênito , Doenças do Cão/diagnóstico por imagem , Doenças do Cão/cirurgia , Cães , Deformidades Congênitas dos Membros/diagnóstico por imagem , Deformidades Congênitas dos Membros/cirurgia , Masculino , Cirurgia Assistida por Computador/veterinária , Resultado do Tratamento
2.
Schweiz Arch Tierheilkd ; 160(9): 533-538, 2018 09.
Artigo em Alemão | MEDLINE | ID: mdl-30206049

RESUMO

INTRODUCTION: A 12-year old female miniature Poodle was presented because of a 4/4 right fore-limb lameness. The orthopedic examination demonstrated pain at palpation of the right shoulder and an abduction angle of 55 °. MRI examination confirmed injuries consistent with a traumatic medial shoulder instability with no evidence of shoulder dysplasia. A partial rupture of the subscapularis tendon and complete detachment of the cranial gleno- humeral ligament were confirmed with arthroscopy. The joint was successfully stabilized using an arthroscopic assisted prosthetic suture.


Assuntos
Artroscopia/veterinária , Doenças do Cão/cirurgia , Instabilidade Articular/veterinária , Lesões do Ombro/cirurgia , Articulação do Ombro/cirurgia , Animais , Doenças do Cão/fisiopatologia , Cães , Feminino , Instabilidade Articular/fisiopatologia , Instabilidade Articular/cirurgia , Lesões do Ombro/fisiopatologia , Lesões do Ombro/veterinária , Articulação do Ombro/fisiopatologia
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