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1.
J Am Vet Med Assoc ; 232(11): 1694-9, 2008 Jun 01.
Artigo em Inglês | MEDLINE | ID: mdl-18518812

RESUMO

OBJECTIVE: To describe clinical and scintigraphic abnormalities in horses with a bone fragility disorder. DESIGN: Retrospective case series. ANIMALS: 16 horses with scintigraphic evidence of multiple sites of increased radiopharmaceutical uptake (IRU). Procedures-Medical records were reviewed for information on signalment; history; clinical, clinicopathologic, and diagnostic imaging findings; and treatment. Follow-up information was obtained through telephone interviews with owners. RESULTS: Horses ranged from 4 to 22 years old; there were 8 castrated males and 8 females. Foci of IRU most commonly involved the scapulae, ribs, sternebrae, sacral tubers, ilia, and cervical vertebrae. Most horses were examined because of chronic intermittent (n = 10) or acute (6) lameness involving a single (10) or multiple (6) limbs that could not be localized by means of regional anesthesia. Cervical stiffness (n = 3), scapular bowing (3), swayback (3), and ataxia (1) were also seen in more advanced cases. Signs of respiratory tract disease and exercise intolerance were evident in 4 horses. Ultrasonographic or radiographic evidence of bone remodeling or degeneration was seen in 19 of 33 affected bones. Histologic examination of bone biopsy specimens revealed reactive bone. Improvement was initially seen with conservative treatment in some horses, but the condition worsened in all horses, and 11 horses were euthanized within 7 years. CONCLUSIONS AND CLINICAL RELEVANCE: Results suggested that horses may develop a bone fragility disorder characterized clinically by an unlocalizable lameness and scintigraphically by multiple sites of IRU involving the axial skeleton and proximal portion of the appendicular skeleton.


Assuntos
Doenças Ósseas/veterinária , Doenças dos Cavalos/diagnóstico por imagem , Cintilografia/veterinária , Animais , Doenças Ósseas/diagnóstico por imagem , Doenças Ósseas/mortalidade , Doenças Ósseas/patologia , Remodelação Óssea , Osso e Ossos , Diagnóstico Diferencial , Feminino , Doenças dos Cavalos/mortalidade , Doenças dos Cavalos/patologia , Cavalos , Coxeadura Animal/diagnóstico por imagem , Masculino , Prognóstico , Cintilografia/métodos , Estudos Retrospectivos
2.
J Am Vet Med Assoc ; 229(4): 549-56, 2006 Aug 15.
Artigo em Inglês | MEDLINE | ID: mdl-16910855

RESUMO

CASE DESCRIPTION: 3 horses with penetrating wounds to the shoulder area were examined because of forelimb lameness. CLINICAL FINDINGS: All horses had physical examination findings (decreased cranial phase of the stride, swelling in the shoulder region, and signs of pain on manipulation of the shoulder) that were suggestive of problems in the upper portion of the forelimb. Injury to the biceps tendon or bursa was the primary differential diagnosis in each instance, but no abnormalities involving those structures were found. Radiographic and ultrasonographic imaging revealed injuries to the caudal eminence of the greater tubercle of the humerus, the infraspinatus tendon, and the infraspinatus bursa. Examination with ultrasound was more sensitive than radiography at detecting both osseous and soft tissue changes. TREATMENT AND OUTCOME: All 3 horses responded favorably to treatment with antimicrobials and non-steroidal anti-inflammatory drugs. Although initial response to standing lavage was favorable in 1 horse, endoscopic lavage was later required. Standing removal of fracture fragments was performed in 2 horses. Ultrasonographic imaging was helpful in monitoring the response to treatment and changes in the affected structures. All 3 horses eventually became sound after treatment. CLINICAL RELEVANCE: Infraspinatus bursitis and tendonitis should be included in the differential diagnoses of horses with shoulder lameness. Diagnosis and monitoring should include ultrasonographic monitoring. The prognosis for return to soundness after appropriate treatment appears to be good.


Assuntos
Cavalos/lesões , Traumatismos dos Tendões/veterinária , Ferimentos Penetrantes/veterinária , Animais , Antibacterianos/uso terapêutico , Anti-Inflamatórios não Esteroides/uso terapêutico , Feminino , Coxeadura Animal/etiologia , Masculino , Prognóstico , Traumatismos dos Tendões/diagnóstico por imagem , Traumatismos dos Tendões/tratamento farmacológico , Traumatismos dos Tendões/cirurgia , Resultado do Tratamento , Ultrassonografia , Ferimentos Penetrantes/diagnóstico por imagem , Ferimentos Penetrantes/tratamento farmacológico , Ferimentos Penetrantes/cirurgia
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