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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Erythrocyte sedimentation rate was 4 mm.

However, systemic antibiotics do seem to shorten the disease duration and speed visual recovery. Neuroretinitis is characterized by acute visual loss due to optic nerve edema associated with macular exudates in a starlike pattern. The patient referred scratches on the left arm by a kitten two weeks before his eyesight was affected.

Macular hole in cat scratch disease.

Optic neuropathy secondary to cat scratch disease: 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.

Once transmitted to humans, following the scratch or bite of a kitten or adult cat, B. Macular star in neuroretinitis. The macular star formation may not develop until 1 to 2 weeks after the initial presentation 6. Rua Casa do Ator, – cj. The response to infection depends on the immune status of the infected host. The most common ocular manifestations is the Parinaud syndrome that consist of fever, regional lymphadenopathy, and follicular conjuntivitis, followed by the neuroretinitis 2.

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Coenca infectious causes include syphilis, Lyme disease, viruses and diffuse unilateral subacute neuroretinitis. The diagnosis of B.

Services on Demand Journal. Optic neuropathy due cat scratch disease is a relatively infrequent occurrence caused by Bartonella henselae. Relatamos o caso de um adolescente com neuroretinite causada por B. A case of a boy with neuroretinitis caused by B. Bartonella henselae is well recognized as the etiologic agent in cat scratch disease. Chest x-ray, complete blood count with differential was normal.

Familial occurrence of zoonotic sporotrichosis

However, it has been only a quarter of a century since Bartonella henselae was identified as the etiologic agent. Cat scratch disease has been reported in the literature for more than doencq a century as a syndrome of regional lymphadenopathy and fever. 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 optic disc swelling was markedly reduced and the macula stellate exsudates remained. Optic neuropathy can be due to various causes that show significant overlap in clinical presentation and clinical examination 1. He denied pain on eye movements and had no systemic or neurological complaints. It is tipically unilateral and has an excellent prognosis regardless of treatment.

The swinging flashlight test showed a prominent right relative afferent pupillary defect. The diagnosis of downca underlying cause of optic neuropathy should be established as soon as possible. Ocular bartonelosis is usually self-limited with complete or near-complete recovery of vision in otherwise healthy patients. Dyschromatopsia was seen in right eye.

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Other manifestations are less common hepato-esplenomegaly, granulomatous hepatitis, osteomyelitis, encephalitis, glomerulonephritis, endocardites, and pneumonia.

Doença por arranhadura do gato

Diagnosis, management, vo sequelae. Early signs that help to distinguish B. Neuroretinitis is a form of optic neuropathy, characterized by acute painless visual loss in association with optic disc swelling and macular stellated exsudate.

Alternatives to azythromycin include rifampicin, ciprofloxaxin, gentamicin, and trimethoprim-sulfamethoxazole, in order of increased effectiveness 2.

The exact prevalence of neuroretinitis by B. They are small, fastidious, intracellular Gram-negative bacilli that are aerobic and oxidase-negative 2. Bartonella henselae IgG was positive at a titer of 1: The macular exudates take months to resolve, and even after resolution, patients may experience abnormal color downca and evoked potentials, subnormal contrast sensitivity, residual disc pallor, afferent pupillary defects, retinal pigment changes, and mildly decreased visual acuity 2,8.

There are reports of va Bartonella disease with optic disc edema and retinal detachment without the classic macular stellate exudative 9.