Adaptación de la batería Bedside de lenguaje para la evaluación de la afasia.
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2015-02-24
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Pontificia Universidad Católica del Perú
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El objetivo del presente estudio es lograr la adaptación válida y confiable
de la batería Bedside de lenguaje para su uso en la evaluación de la afasia en
pacientes afásicos que se atienden en algunos hospitales de Lima y Callao.
La batería Bedside de Lenguaje es un instrumento de cribaje (screening)
diseñado para la detección de afasias tras una lesión cerebral, es de rápida y
simple aplicación al pie de la cama, y puede ser utilizado por médicos o
especialistas de lenguaje. Evalúa cinco dominios lingüísticos: Lenguaje
espontáneo, Comprensión, Repetición, Escritura, Lectura. La puntuación máxima
obtenible es 26, es de fácil corrección, con puntos de corte bien establecidos, y
ofrece una excelente especificidad para la detección de la afasia y una buena
correlación con pruebas formales como el Test de Boston para el diagnóstico de la
afasia. La muestra estuvo conformada por 100 pacientes afásicos entre 18 y 89
años que se encontraban con tiempo de evolución dentro del periodo de 0 a 2
años luego de haber sufrido el daño cerebral, y que se atendieron en el Instituto
Nacional de Rehabilitación del Callao, el Hospital Dos de Mayo, el Hospital
Geriátrico de la Policía y el Hospital Nacional Guillermo Almenara Irigoyen.
Los resultados indican que la batería Bedside adaptada es confiable y
válida (alfa de Crombach 0.956, sig < .001) y ningún ítem ha sido objetado por
criterio de jueces. Así mismo indican una excelente consistencia interna de la
prueba adaptada. Además se calculó el coeficiente de Spearman Brown (0.876; sig
<.001), siendo este último también altamente significativo.
A comprehensive evaluation of speech and language puts a lot of stress on the patient with a cerebral lesion. The battery Bedside of Language (BL) is short in duration and it is designed to presume a diagnosis of aphasia in patients with cerebral lesions. The present applied research is directed to validate the battery Bedside of Language in an urban population of adults from Peru (18-89 years old). The items were analyzed with U de Mann Whitney, for comparison, and rho de Spearman for correlations. The validity was determined by judges’ expert criteria and the Spearman-Brown Split half coefficient. A total of 100 subjects were evaluated using the battery BL and five linguistic dimensions were evaluated which were: spontaneous language, comprehension, repetition, writing and lecture. The maximum possible score is 26 with the cut-off score very well established. It was found that the battery BL has high feasibility and internal consistency. Alpha de Crombach for all the linguistic dimensions aforementioned was 0,956. Also when comparing the total of each scale with the grand total of the BL, subjects with presumed diagnosis of aphasia versus subjects with no diagnosis of aphasia; the U de Mann Whitney fluctuated between 5.287 and 6.706 which was highly significant and shows an excellent criterion-related validity as well. The results indicated that the battery BL is a potentially useful tool for predicting aphasia and sensible to the changes in the acute stages of language disorders.
A comprehensive evaluation of speech and language puts a lot of stress on the patient with a cerebral lesion. The battery Bedside of Language (BL) is short in duration and it is designed to presume a diagnosis of aphasia in patients with cerebral lesions. The present applied research is directed to validate the battery Bedside of Language in an urban population of adults from Peru (18-89 years old). The items were analyzed with U de Mann Whitney, for comparison, and rho de Spearman for correlations. The validity was determined by judges’ expert criteria and the Spearman-Brown Split half coefficient. A total of 100 subjects were evaluated using the battery BL and five linguistic dimensions were evaluated which were: spontaneous language, comprehension, repetition, writing and lecture. The maximum possible score is 26 with the cut-off score very well established. It was found that the battery BL has high feasibility and internal consistency. Alpha de Crombach for all the linguistic dimensions aforementioned was 0,956. Also when comparing the total of each scale with the grand total of the BL, subjects with presumed diagnosis of aphasia versus subjects with no diagnosis of aphasia; the U de Mann Whitney fluctuated between 5.287 and 6.706 which was highly significant and shows an excellent criterion-related validity as well. The results indicated that the battery BL is a potentially useful tool for predicting aphasia and sensible to the changes in the acute stages of language disorders.
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Afasia, Trastornos del habla--Investigaciones, Enfermedades del sistema nervioso, Gensollen Durand, Jair Emmanuel
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