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.
|Published (Last):||28 April 2015|
|PDF File Size:||12.31 Mb|
|ePub File Size:||16.34 Mb|
|Price:||Free* [*Free Regsitration Required]|
All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License. Rua Casa do Ator, – cj.
The patient referred scratches on the left arm by a kitten two weeks before his eyesight was affected. Once transmitted to humans, following the scratch or bite of a kitten or adult cat, B. It is tipically unilateral and has an excellent prognosis regardless of treatment.
Optic neuropathy refers to a clinical disorder characterized by sudden-to-chronic loss of vision in one or both eyes due to optic nerve dysfunction that might be idiopathic, ischemic, primary demyelinating, infectious, or inflammatory in etiology 1. A case of a boy with neuroretinitis caused by B. The optic disc swelling diminished and the macular stellate remained in the temporal side. Ocular bartonelosis is usually self-limited with complete or near-complete recovery of vision in otherwise healthy patients.
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 Gatoo.
Dyschromatopsia was seen doencq right eye.
Familial occurrence of zoonotic sporotrichosis
Bartonella henselae neuroretinitis in cat scracht disease. Serologic tests to toxoplasmosis, cytomegalovirosis and HIV 1 and 2 were negative.
Macular star in neuroretinitis. The cat flea is responsible for the major mode of transmission between cats. The prominent right relative afferent pupillary defect persisted. Arch Soc Esp Oftalmol. However, it has been only a quarter of a century since Bartonella henselae was identified as the etiologic agent. Diagnosis, management, and sequelae.
The most common posterior segment ocular complication of B. Optic neuropathy secondary to cat scratch disease: The patient started a 3-week course of oral mg Arranhafura once daily. Whether immunocompetent dq with ocular cat scratch disease need treatment is debatable since the natural progression is for complete recovery within a few months. The optic disc swelling was markedly reduced and the macula stellate exsudates remained.
The response to infection depends on the immune status of the infected host. Beyond cat scratch disease: We describe a case of ocular bartonellosis in one adolescent, with unilateral sudden painless vision loss and neuroretinitis. The macular exudates take months to resolve, and even after resolution, patients may experience abnormal color vision and arranhadra potentials, subnormal arranadura sensitivity, residual disc pallor, afferent pupillary defects, retinal pigment changes, and mildly decreased visual acuity 2,8.
Doença por arranhadura do gato
He denied pain on eye movements and had no systemic or neurological complaints. Alternatives to azythromycin include rifampicin, ciprofloxaxin, gentamicin, and trimethoprim-sulfamethoxazole, in order of increased effectiveness 2. Although the prognosis is arrannadura the whole good there may be residual loss of visual acuity, disc pallor, afferent pupillary defects and retinal pigmentary changes.
The pupillary response was normal. 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. Optic neuropathy can be due to various causes that show significant overlap in clinical presentation and clinical examination 1.
Cerebrospinal fluid studies revealed normal cell count, xrranhadura chemistries, and absent oligoclonal bands. Neuroretinitis is characterized by acute visual loss due to optic nerve edema associated with macular exudates in a starlike pattern.
Other posterior segment presentations of B. Optic neuropathy due cat scratch disease is a relatively infrequent occurrence caused by Bartonella henselae. Other manifestations are less common hepato-esplenomegaly, granulomatous hepatitis, osteomyelitis, encephalitis, glomerulonephritis, endocardites, and pneumonia. Chest x-ray, complete blood count with differential was normal. 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.
Optic disk edema associated with peripapillary serous retina detachment: Erythrocyte sedimentation rate was 4 mm. There are reports of ocular Bartonella disease with optic disc edema and retinal detachment without the classic macular stellate exudative 9.
On MRI, the optic-globe nerve junction is highly specific for B. Neuroretinitis is a form of optic neuropathy, characterized by acute painless visual loss in association with optic disc swelling and macular stellated exsudate.
Other infectious causes include so, Lyme disease, viruses and diffuse unilateral subacute neuroretinitis. Bartonella henselae is well recognized as the etiologic agent in cat scratch disease. How to cite this article. Services on Demand Journal.