-Objective: To verify the sensitivity of the conventional subtests of the Behavioral Inattention Test (BIT) in the diagnosis of hemineglect after stroke. Method: One hundred and two patients with cerebral infarct or hemorrhage were prospectively evaluated. In 22, hemineglect was diagnosed using standard BIT criteria. The frequency of hemineglect using 6 commonly used screening subtests of this battery was assessed. Results: Hemineglect would not be recognized in 10 patients if they were only screened using the line crossing test; this would be the case in 2 patients with the letter cancellation test; and in 4 patient with the line bisection test. Three patients would not be diagnosed even if both line crossing and line bisection tests were used. Conclusion: Hemineglect may not be recognized with single screening tests commonly used. The use of a standard battery is recommended to improve diagnostic sensitivity in individuals with various subtypes of hemineglect.KEY WORDS: perceptual disorders, hemispatial neglect , stroke, diagnosis. Testes de triagem não são suficientes para diagnosticar heminegligência RESUMO -Objetivo: Verificar a sensibilidade dos subtestes convencionais da Behavioral Inattention Test (BIT) no diagnóstico da heminegligência após o acidente vascular cerebral (AVC). Método:Foram avaliados prospectivamente 102 pacientes com AVC. Em 22 casos heminegligência foi diagnosticada através do BIT. A freqüência de diagnóstico correto utilizando os 6 subtestes específicos desta bateria foi analisada. Resultados: 10 pacientes não seriam diagnosticados como heminegligentes se fossem avaliados apenas com o "line crossing", 2 se o teste de triagem escolhido fosse o "letter cancellation", e 4 se utilizássemos apenas o "line bisection". Além disso, 3 pacientes não teriam recebido o diagnóstico correto mesmo utilizando dois testes usuais de triagem -"line crossing" e "line bisection". Conclusão: O uso de testes isolados de triagem pode falhar em diagnosticar heminegligência após o AVC. O uso de uma bateria formal de avaliação é necessá-rio para identificar indivíduos com diferentes tipos de heminegligência. PALAVRAS-CHAVE: transtornos da percepção, heminegligência, acidente cerebrovascular, diagnóstico.
Visual scanning should probably be considered preferable to mental practice protocols in the treatment of hemispatial neglect patients.
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