DOENCA DA ARRANHADURA DO GATO PDF

Abstract: Relato de caso de doença da arranhadura do gato (DAG), em um paciente lactente, com história epidemiológica negativa, descrevendo o. Request PDF on ResearchGate | On Jan 1, , Mauricio Magalhaes Costa and others published Doença de arranhadura do gato simulando carcinoma oculto. (conjuntivite com adenite satélite pré-auricular) causada por Bartonella henselae, o agente etiológico da Doença da Arranhadura do Gato.

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The swinging flashlight test showed a prominent right relative afferent dz defect. Optic neuropathy due cat scratch disease is a relatively infrequent occurrence caused by Bartonella henselae. Erythrocyte sedimentation rate was 4 mm. Rua Casa do Ator, – cj. Optic neuropathy secondary to cat scratch disease: The pupillary response was normal.

Early signs that help to distinguish B. Although the prognosis is on the whole good there may be residual loss of visual acuity, disc pallor, afferent pupillary defects and retinal pigmentary changes.

Chest x-ray, complete blood count with differential was normal. Macular hole in cat scratch disease. The diagnosis of the underlying cause of optic neuropathy should be established as soon as possible.

Doença por arranhadura do gato

Cerebrospinal fluid studies revealed normal cell count, normal chemistries, and absent oligoclonal bands. It is tipically unilateral and has an excellent prognosis regardless of treatment. How to cite this article. The most common ocular manifestations is the Parinaud syndrome that consist of fever, regional lymphadenopathy, and follicular conjuntivitis, followed by the neuroretinitis 2.

We describe a dx of ocular bartonellosis in one adolescent, with unilateral sudden painless vision loss and neuroretinitis. A case of a boy with neuroretinitis caused by B. There are reports of ocular Garo disease with optic disc edema and retinal detachment without the classic macular stellate exudative 9.

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Tuberculin skin test was 6 mm. The cat flea is responsible for the major mode of transmission between cats. Other manifestations are less common hepato-esplenomegaly, doemca hepatitis, osteomyelitis, encephalitis, glomerulonephritis, endocardites, and pneumonia.

Beyond cat scratch disease: On MRI, the optic-globe nerve junction is highly specific for B. Cats are the major reservoir for B. A year-old healthy boy suddenly noticed a painless vision loss in his right eye. The prominent right relative afferent pupillary defect persisted. Optic neuropathy can be due to various causes that show significant overlap in clinical presentation and clinical examination 1.

Doença da arranhadura do gato – Portuguese-German Dictionary

Whether immunocompetent individuals with ocular cat scratch disease need treatment is debatable since the natural progression is for complete recovery within a few months.

Bartonella henselae infection associated with neuroretinitis, central retinal artery and vein occlusion, neovascular glaucoma, and severe vision loss. Relatamos o caso de um adolescente com neuroretinite causada por B. Other posterior segment presentations of B. He denied pain on eye movements and had no systemic or neurological complaints. Other infectious causes include syphilis, Lyme disease, viruses and diffuse unilateral subacute neuroretinitis.

Bartonella henselae is well recognized as the etiologic agent in cat scratch disease.

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The macular exudates take months to resolve, and even after resolution, patients may experience abnormal color vision and evoked potentials, subnormal contrast sensitivity, residual disc pallor, afferent pupillary defects, retinal pigment changes, and mildly decreased visual acuity 2,8. Macular star in neuroretinitis. The most common posterior segment ocular complication of B.

The Optic Neuritis Treatment Trial has shown that intravenous administration of high-dose steroids decreases the risk of progression of optic neuropathy to multiple sclerosis within 2 years of follow-up 5. The response to infection depends on the immune status of the infected host. The fundoscopy in the left eye was unremarkable but in the right eye revealed a diffusely swollen, hyperemic optic disc, serous detachment extending from the disc to the macula, and macular exudates in a stellate pattern Figure 1 OD.

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The exact prevalence of neuroretinitis by B. However, systemic antibiotics do seem to shorten the disease arrannhadura and speed visual recovery. Arch Soc Esp Oftalmol. Alternatives to azythromycin include rifampicin, ciprofloxaxin, gentamicin, and trimethoprim-sulfamethoxazole, in order of doenva effectiveness 2.

The patient started a 3-week course of oral mg Doxycycline once daily. However, it has been only a quarter of a century since Bartonella henselae was gsto as the etiologic agent.

Diagnosis, management, and sequelae. Ocular bartonelosis is usually self-limited with complete or near-complete recovery of vision in otherwise healthy patients. Pattern visual evoked potentials in eyes with disc swelling due cat scratch disease-associated neuroretinitis. Optic neuropathy due to cat scratch disease is a relatively infrequent occurrence associated with macular star formation and is characterized by sudden painless loss of vision mostly unilateral.

The optic disc swelling was markedly reduced and gatk macula stellate exsudates remained. Neuroretinitis is characterized by acute visual loss due to optic nerve edema associated with macular exudates in a starlike pattern.