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1.
J Vet Intern Med ; 38(3): 1598-1607, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38483074

RESUMO

BACKGROUND: Intervertebral disc herniation is widely recognized as the most common cause of myelopathy in dogs older than 2 years; however, the prevalence of various causes of myelopathy in younger dogs has not been reported. HYPOTHESIS/OBJECTIVES: To describe the prevalence, clinical presentation, and etiology of myelopathy in dogs aged 18 months or less. Secondarily, to investigate which clinical features were associated with each of the most common etiologies. ANIMALS: Two hundred twenty-four dogs aged 18 months or less with myelopathy were included in the study. METHODS: Retrospective review of clinical records from 4 referral institutions. Multivariable logistic regression analyses assessed which clinical features were associated with each diagnosis. RESULTS: French bulldogs (n = 51, 22.8%), pugs (n = 18, 8.0%), crossbreeds (n = 12, 5.4%), and English bulldogs (n = 11, 4.9%) were the most frequently affected breeds. Overall, 31 diagnoses were reached. The 5 most frequent diagnoses were vertebral malformation (VM; n = 42, 18.8%), spinal arachnoid diverticulum (SAD; n = 28, 12.5%), traumatic fracture of the vertebral column (n = 22, 9.8%), atlantoaxial instability (n = 18, 8.0%), and osseous-associated cervical spondylomyelopathy (n = 17, 7.6%). Intervertebral disc extrusion (IVDE) accounted for 4.5% of cases (n = 10). A final diagnosis of VM was associated with younger, screw-tailed, and pug breeds with chronic signs of T3-L3 myelopathy. SAD was associated with screw-tailed and pug breeds with nonpainful clinical signs. Intervertebral disc extrusion was associated with older, screw-tailed, and pug breeds with shorter duration of clinical signs. CONCLUSIONS AND CLINICAL IMPORTANCE: Prioritization of differential diagnoses for dogs presenting with signs of myelopathy when aged 18 months or less should differ to those for older dogs, with IVDE not the most common cause in the former.


Assuntos
Doenças do Cão , Doenças da Medula Espinal , Animais , Cães , Doenças do Cão/epidemiologia , Doenças do Cão/etiologia , Estudos Retrospectivos , Doenças da Medula Espinal/veterinária , Doenças da Medula Espinal/epidemiologia , Doenças da Medula Espinal/etiologia , Masculino , Feminino , Prevalência , Deslocamento do Disco Intervertebral/veterinária , Deslocamento do Disco Intervertebral/epidemiologia
2.
J Am Vet Med Assoc ; 260(6): 643-649, 2022 01 04.
Artigo em Inglês | MEDLINE | ID: mdl-34986118

RESUMO

CASE DESCRIPTION: Three dogs were presented for investigation of chronic nasal discharge and epistaxis 141, 250, and 357 days after undergoing transfrontal craniotomy to treat an intracranial meningioma (2 dogs) or a meningoencephalocele (1 dog). CLINICAL FINDINGS: CT findings were consistent with destructive rhinitis and frontal sinusitis in all 3 dogs, with results of histologic examination and fungal culture of samples obtained during frontal sinusotomy confirming mycotic infection. Frontal sinusotomy revealed fungal plaques covering a combination of bone and residual surgical tissue adhesive at the site of the previous craniotomy in all 3 dogs. Aspergillus spp were identified in all 3 dogs, and Chrysosporium sp was also identified in 1 dog. TREATMENT AND OUTCOME: Surgical curettage was followed by antifungal treatment (topical clotrimazole in 2 dogs and oral itraconazole for 3 months in 1 dog). Nasal discharge improved in the short-term but recurred in all dogs 99, 118, and 110 days after frontal sinusotomy. One dog received no further treatment, 1 dog received an additional 8.5 months of oral itraconazole treatment, and 1 dog underwent 2 additional surgical debridement procedures. At last follow-up, 2 dogs were alive 311 and 481 days after frontal sinusotomy; the third dog was euthanized because of status epilepticus 223 days after frontal sinusotomy. CLINICAL RELEVANCE: Sinonasal mycosis should be considered as a potential complication in dogs developing persistent mucopurulent nasal discharge, intermittent epistaxis, and intermittent sneezing following transfrontal craniotomy. The pathophysiology may be multifactorial, and potential risk factors, including use of surgical tissue adhesive in the frontal sinus, require further investigation.


Assuntos
Aspergilose , Doenças do Cão , Micoses , Animais , Aspergilose/veterinária , Craniotomia/efeitos adversos , Craniotomia/veterinária , Doenças do Cão/diagnóstico , Cães , Micoses/veterinária , Recidiva Local de Neoplasia/veterinária
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