Charles Bonnet syndrome: characteristics of its visual hallucinations and differential diagnosis / Síndrome de Charles Bonnet: características das alucinações visuais e diagnóstico diferencial
Arq. neuropsiquiatr
; 72(5): 333-336, 05/2014. tab
Article
in En
| LILACS
| ID: lil-709359
Responsible library:
BR1.1
ABSTRACT
Objective:
To present an eight-case serie of patients with Charles Bonnet syndrome (CBS).Method:
All patients were initially evaluated by an ophthalmologist and then submitted to a neurologic evaluation with exclusion of alternative psychiatric and neurologic diagnoses.Results:
Five patients were male (62.5%) and the mean age was 52.3+16.0 years. Two patients suffered from severe myopia and glaucoma, three had retinitis pigmentosa, one had anterior ischemic optic neuropathy, one had age-related macular degeneration and one had toxoplasmic retinochoroiditis. Mean visual acuity in the right eye was 1,12 logMAR and in the left eye 0.57 logMAR. A mean delay of 41.7 months occurred until diagnosis. All hallucinations were complexes and mostly ocurred on a weekly-basis (62.5%) and lasted for seconds (87.5%).Conclusions:
Physicians who care for low vision patients should be aware of CBS and appropriately diagnose its hallucinations after exclusion of psychiatric and neurologic diseases. .RESUMO
Objetivo:
Apresentar uma série de oito casos da síndrome de Charles Bonnet (SCB).Método:
Todos os pacientes foram avaliados por um oftalmologista e por um neurologista, tendo sido excluídos diagnósticos alternativos neurológicos e psiquiátricos.Resultados:
Cinco pacientes eram homens (62,5%) e a média de idade foi de 52,3±16,0 anos. Do total de pacientes dois tinham miopia grave e glaucoma, três retinose pigmentar, um neuropatia óptica isquêmica anterior, um degeneração macular relacionada à idade e um retinocoroidite toxoplásmica. A acuidade visual média no olho direito foi de 1,12 logMAR e no olho esquerdo foi de 0.57 logMAR. Houve um atraso de 41,7 meses, em média, para o diagnóstico. Todas as alucinações eram complexas, ocorriam, em sua maioria, semanalmente (62,5%) e duravam segundos (87,5%).Conclusão:
Médicos que lidam com pacientes com baixa visão devem saber distinguir as características peculiares da SCB, após exclusão de doenças neurológicas e psiquiátricas. .Key words
Full text:
1
Index:
LILACS
Main subject:
Vision Disorders
/
Hallucinations
Type of study:
Diagnostic_studies
/
Etiology_studies
/
Risk_factors_studies
Limits:
Adult
/
Aged
/
Aged80
/
Female
/
Humans
/
Male
Language:
En
Journal:
Arq. neuropsiquiatr
Journal subject:
NEUROLOGIA
/
PSIQUIATRIA
Year:
2014
Type:
Article