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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Other infectious causes include syphilis, Lyme disease, viruses and diffuse unilateral subacute neuroretinitis. The cat flea is responsible for the major mode of transmission between cats. Bartonella henselae IgG was positive at a titer of 1: Beyond cat scratch disease: Optic neuropathy secondary to cat scratch disease: 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.
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.
The pupillary response was normal. Pattern visual evoked potentials in eyes with disc swelling due cat scratch disease-associated neuroretinitis.
Services on Demand Journal. The diagnosis of B. It is tipically unilateral and has an excellent prognosis regardless of treatment. Neuroretinitis is characterized by acute visual loss due to optic nerve edema associated with macular exudates in a starlike pattern. 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.
Optic neuropathy due cat scratch disease is a relatively infrequent occurrence caused by Bartonella henselae. 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.
We describe a case of ocular bartonellosis in one adolescent, with unilateral sudden painless vision loss and neuroretinitis. The patient started a 3-week course of oral mg Doxycycline once daily. Relatamos o caso de um adolescente com neuroretinite causada por B.
Rua Casa do Ator, – cj. Macular hole in cat scratch disease.
The response to infection depends on the immune status of the infected host. The exact prevalence of neuroretinitis by B.
The swinging flashlight test showed a prominent right relative afferent pupillary defect. Bartonella henselae is well recognized as the etiologic agent in cat scratch disease.
The typical cat scratch disease is characterized by lymphadenopathy with fever, benign and self-limited, with no other signs or symptoms 3.
Diagnosis, management, and sequelae. Tuberculin skin test was 6 mm. The most common ocular manifestations is the Parinaud syndrome that consist of fever, regional lymphadenopathy, and follicular conjuntivitis, so by the neuroretinitis 2. The diagnosis of the underlying cause of optic neuropathy should be established as soon as possible. Erythrocyte sedimentation rate was 4 mm.
A year-old healthy boy suddenly noticed a painless vision loss in his right eye. Optic neuropathy due to cat scratch disease is a relatively infrequent occurrence associated with arranhqdura star formation and is characterized by sudden painless loss of vision mostly unilateral. Other posterior segment presentations of B. The optic disc swelling diminished and the macular stellate remained in the temporal side.
They are small, fastidious, intracellular Gram-negative bacilli that are aerobic and oxidase-negative 2. Macular star in neuroretinitis. Ocular bartonelosis is usually self-limited with complete or near-complete recovery of vision in otherwise healthy patients. The optic disc swelling was markedly reduced and the macula stellate exsudates remained.
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. Once transmitted to humans, following the scratch or bite of a ca or adult cat, B. Dyschromatopsia was seen in right eye. Chest x-ray, complete blood count with differential was normal. Whether immunocompetent individuals with ocular cat scratch disease need treatment is debatable since the natural progression is for complete recovery within a few months.
Magnetic resonance images of the head and orbits were normal. Bartonella henselae neuroretinitis in cat scracht arraanhadura. He denied pain on eye movements and had no systemic or neurological complaints.
Optic disk edema associated with peripapillary serous retina detachment: Other manifestations are less common hepato-esplenomegaly, granulomatous hepatitis, osteomyelitis, encephalitis, glomerulonephritis, endocardites, and pneumonia. Alternatives to azythromycin include rifampicin, ciprofloxaxin, gentamicin, and trimethoprim-sulfamethoxazole, in order of increased effectiveness 2.