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1.
Vet Comp Orthop Traumatol ; 37(2): 107-114, 2024 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-37907243

RESUMEN

OBJECTIVE: To report a modified intramedullary pinning technique, and associated outcomes, for distal femoral physeal Salter-Harris type I and II fracture management in cats. STUDY DESIGN: Retrospective study including client-owned cats presented between November 2014 and February 2022 with distal femoral physeal fractures treated with an intramedullary pin and one antirotational pin inserted in the lateral femoral condyle. Collected data included signalment, fracture characteristics according to the Salter-Harris classification, surgical data (intramedullary and antirotational pin sizes), and outcome data (radiographic and functional outcomes and complications). RESULTS: Thirty-one cats were included in this study. Bone healing was radiographically confirmed 6 to 8 weeks postoperatively in all cases. The majority of cats (30/31) were classified as full functional outcomes at mid-term follow-up. The overall mid-term complication rate was 3% (1/31). Implant migration was not observed and implant removal was not needed in any case. CONCLUSION: The modified intramedullary pinning technique for distal femoral Salter-Harris I and II fracture management in cats was associated with an full functional outcome.


Asunto(s)
Enfermedades de los Gatos , Fijación Intramedular de Fracturas , Fracturas Óseas , Gatos , Animales , Estudios Retrospectivos , Fracturas Óseas/veterinaria , Placa de Crecimiento , Fémur/cirugía , Fijación Intramedular de Fracturas/veterinaria
2.
Vet Surg ; 50(4): 833-842, 2021 May.
Artículo en Inglés | MEDLINE | ID: mdl-33754391

RESUMEN

OBJECTIVE: To report the relative sensitivity of different diagnostic imaging (DI) techniques to detect migrating foreign bodies (FB) in subcutaneous and underlying soft tissue structures of dogs and evaluate the value of intraoperative ultrasonography (intraop-US). STUDY DESIGN: Retrospective study. SAMPLE POPULATION: Forty-one dogs. METHODS: Medical records (2007-2019) of dogs that underwent surgery for a chronic abscess or draining tract were included when preoperative US (preop-US), computed tomography (preop-CT), or preop-MRI, and at least 6 months of follow-up information were available. Collected data included the DI techniques used, DI findings, and surgical findings. The relative sensitivity of each preoperative DI (preop-DI) technique was calculated. Dogs were divided into two groups, dogs that underwent only a preop-DI examination (group A) and dogs that underwent an additional intraop-US (group B). The success rates for FB surgical removal were compared between groups. RESULTS: The relative sensitivity of preop-US and preop-CT/MRI was 88% (95% CI, 70%-95.8%) and 57.1% (95% CI, 32.6%-78.6%), respectively. The success rate for FB removal was higher in group B (89.5%) than in group A (59.1%; P = .038). Clinical resolution occurred in 90.2% of dogs for a median duration of follow-up of 4.2 years (6 months to 9.3 years). CONCLUSION: Preoperative US seems more suitable than preop-CT/MRI for detection of migrating FB in subcutaneous and underlying soft tissue structures. The use of intraop-US increases the success rate for FB surgical removal. CLINICAL SIGNIFICANCE: Intraoperative US should be used in combination with preop-US to increase the likelihood of migrating FB surgical removal in dogs.


Asunto(s)
Perros/lesiones , Migración de Cuerpo Extraño/veterinaria , Cuidados Preoperatorios/veterinaria , Ultrasonografía/veterinaria , Animales , Perros/cirugía , Femenino , Migración de Cuerpo Extraño/diagnóstico , Migración de Cuerpo Extraño/cirugía , Periodo Intraoperatorio , Masculino , Periodo Preoperatorio
3.
J Am Anim Hosp Assoc ; 55(6): 291-300, 2019.
Artículo en Inglés | MEDLINE | ID: mdl-31525088

RESUMEN

Proximal tibial deformities or patellar luxation may occur concurrently with cranial cruciate ligament rupture. The objective of this study was to describe the management of those conditions with a modified triple tibial osteotomy (TTO) in nine dogs. Medical records of dogs who underwent a modified TTO were reviewed. The mean pre- and postoperative patellar tendon angles were 104.2° and 92.9°, respectively. The mean pre- and postoperative mechanical medial proximal tibial angles were 99.5° and 91.5°, respectively. Medial patellar luxation was present in five dogs (55.6%) and treated in all five dogs with a tibial crest transposition. Tibial torsion was grossly resolved in two dogs (22.2%). Perioperative distal tibial crest fracture was treated by pins and a figure-of-eight tension-band wire in five dogs (55.6%). One major (surgical site infection) and three minor postoperative complications were observed. At the last follow-up, seven dogs (77.8%) had no lameness, one dog (11.1%) had mild lameness, and one dog (11.1%) had moderate lameness. Radiographic evaluation showed good (2/9; 22.2%) to excellent (7/9; 77.8%) bone healing. The visual analog scale evaluation revealed good-to-excellent owner satisfaction. Cranial cruciate ligament rupture, tibial deformities, and medial patellar luxation are difficult to treat together. A modified TTO may be used to treat these conditions.


Asunto(s)
Lesiones del Ligamento Cruzado Anterior/veterinaria , Ligamento Cruzado Anterior/cirugía , Enfermedades de los Perros/cirugía , Osteotomía/veterinaria , Animales , Lesiones del Ligamento Cruzado Anterior/cirugía , Perros , Femenino , Masculino , Luxación de la Rótula/cirugía , Complicaciones Posoperatorias/veterinaria , Estudios Retrospectivos , Rodilla de Cuadrúpedos/cirugía , Tibia/cirugía , Resultado del Tratamiento
4.
Ir Vet J ; 68: 27, 2015.
Artículo en Inglés | MEDLINE | ID: mdl-26629329

RESUMEN

BACKGROUND: The purpose of this retrospective study was to assess short-and medium-term outcomes in dogs with chronic ventral thoracolumbar intervertebral disc disease (IVDD) treated by thoracolumbar partial lateral corpectomy (TLPLC). Dogs surgically treated for chronic ventral IVDD by TLPLC were included. For each dog, neurological status evolution and complications were reported. Factors that could have influenced neurological recovery were statistically tested. RESULTS: A total of 107 dogs were included in the study. Before surgery, 67.3 % of the dogs were able to walk, 24.3 % were grade 3, and 8.4 % were grade 4. The median hospitalization time was 3 days, and 82.2 % of the dogs were able to walk at discharge. The medium-term neurological grade was reached at a median time of 2 months. At the medium-term follow-up (median 12 months), 74.3 % of the dogs were neurologically improved, 22.9 % were stable, and 2.8 % were worsened. A total of 91.4 % of dogs were ambulatory, with 58.6 % of dogs having a normal gait. Preoperative neurological grade was significantly associated with the neurological status 24 h after the surgery and at discharge. Dogs with a higher preoperative neurological grade had a better chance of improving but lower odds of walking at 24 h after the surgery and at discharge compared with dogs with a lower preoperative grade. Spinal compression recurrence at the same surgical site was confirmed in 8 cases. CONCLUSION: Even if TLPLC leads to several intra and postoperative complications, this technique is a viable surgical option to treat chronic ventral IVDD.

5.
Ir Vet J ; 68: 9, 2015.
Artículo en Inglés | MEDLINE | ID: mdl-27408683

RESUMEN

A 2-year-old female crossbreed dog was presented with progressive ataxia and paraparesis. A T3-L3 spinal lesion was determined by neurological examination. Magnetic resonance imaging (MRI) revealed an ovoid-shaped, well-circumscribed mass affecting the spinal cord at the level of the T9 vertebra. A left hemilaminectomy and a durotomy at the level of T9 allowed discovery of an ovoid deformation of the meninges with a cystic appearance. En bloc removal was performed and appeared to be complete. Pathological analysis showed a voluminous cystic lesion lined by a heterogeneous epithelium. Three types of epithelium were present: a pseudostratified columnar epithelium, a stratified squamous epithelium and a transitional epithelium. Mucus production, the morphology of some cells with microvilli at the apical pole and immunohistochemical assays were highly in favor of an endodermal origin of the cyst. The age of the dog, anamnesis, MRI study and histological findings were consistent with an intradural neurenteric cyst as described in humans. Total surgical removal led to a progressive clinical improvement with no recurrence at 18 months. We report an unusual intradural extramedullary cyst, called a neurenteric cyst, in a 2-year-old female crossbreed dog. This type of cyst is well-known in humans but has never been described in dogs. We propose that neurenteric cysts should be included in the differential diagnoses for tumor-like or cystic intradural lesions in the young dog. Prognosis for this type of cyst seems to be good, as total surgical removal led to a progressive clinical improvement with no recurrence at 18 months.

6.
Acta Vet Scand ; 56: 32, 2014 May 16.
Artículo en Inglés | MEDLINE | ID: mdl-24884635

RESUMEN

BACKGROUND: Subarachnoid cysts are rare conditions in veterinary medicine, associated with spinal cord dysfunction. Most of the 100 cases of subarachnoid cysts described since the first report in 1968 were apparently not true cysts. Reported cysts are usually situated in the cervical area and occur in predisposed breeds such as the Rottweiler. The purpose of this retrospective study, from May 2003 to April 2012, was to describe the distinctive features of thoracolumbar spinal subarachnoid cysts, together with their surgical treatment and outcome in 6 chondrodystrophic dogs. RESULTS: Five Pugs and 1 French Bulldog were examined. Images suggestive of a subarachnoid cyst were obtained by myelography (2/6) and computed tomography myelography (4/6), and associated disc herniation was observed in 3/6 dogs. A hemilaminectomy was performed. The protruding disc eventually found in 5/6 dogs was treated by lateral corpectomy. The ventral leptomeningeal adhesions observed in all dogs after durotomy were dissected. No or only mild post-operative neurological degradation was observed. Follow-up studies (7 months to 4 years) indicated good outcome and no recurrence. CONCLUSIONS: All the thoracolumbar subarachnoid cysts described in these 6 chondrodystrophic dogs were associated with leptomeningeal adhesions. Good results seemed to be obtained by dissecting and removing these adhesions. A protruding disc, found here in 5/6 dogs, needs to be ruled out and can be treated by lateral corpectomy.


Asunto(s)
Quistes Aracnoideos/veterinaria , Enfermedades de los Cartílagos/veterinaria , Enfermedades de los Perros/diagnóstico por imagen , Enfermedades de los Perros/cirugía , Desplazamiento del Disco Intervertebral/veterinaria , Animales , Quistes Aracnoideos/diagnóstico por imagen , Quistes Aracnoideos/etiología , Quistes Aracnoideos/cirugía , Enfermedades de los Cartílagos/diagnóstico , Enfermedades de los Cartílagos/etiología , Enfermedades de los Perros/etiología , Enfermedades de los Perros/patología , Perros , Femenino , Desplazamiento del Disco Intervertebral/diagnóstico por imagen , Desplazamiento del Disco Intervertebral/etiología , Laminectomía/veterinaria , Vértebras Lumbares/diagnóstico por imagen , Masculino , Mielografía/veterinaria , Estudios Retrospectivos , Vértebras Torácicas/diagnóstico por imagen , Tomografía Computarizada por Rayos X/veterinaria
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