Validación del RUDAS como instrumento de cribado de población con demencia en atención primaria
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ISSN: 0212-6567
E-ISSN: 1578-1275
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Elsevier
Abstract
Objetivo:
Validar la escala Rowland Dementia Assessment Scale (RUDAS) como instrumento de cribado de deterioro cognitivo y demencia en atención primaria (AP). Es un test breve, válido para población con bajo nivel educativo formal y fácilmente traducible en entornos multiculturales.
Diseño:
Se realizó un estudio epidemiológico descriptivo, de corte transversal, con seguimiento a los 5 años.
Emplazamiento:
Centro de salud de atención primaria de O Grove, que atiende a una población de 10.650 habitantes en Pontevedra.
Participantes:
Ciento cincuenta personas aleatoriamente seleccionadas, con una edad media de 76,35 ± 7,12 años, bajo nivel educativo, origen predominantemente rural y semirrural y nivel socioeconómico bajo.
Intervención:
Se analizó la viabilidad, la aceptabilidad, la validez y la fiabilidad de la escala.
Mediciones principales:
RUDAS, Mini Mental State Examination , Clinical Dementia Rating , Índice de Katz, Índice de Barthel, Índice de Lawton y Escala de Depresión Geriátrica de Yesavage.
Resultados:
El test fue bien acogido por los pacientes y rápido de aplicar (7,58 ± 2,10 min). El área bajo la curva COR para el diagnóstico de demencia fue 0,983 (IC 95%: 0,97-1,00). Para un punto de corte óptimo de 22,5 presentó una sensibilidad del 89,3% y una especificidad del 100%. El área bajo la curva COR para discriminar personas con DCL de personas con demencia fue 0,965 (IC 95%: 0,91-1,00).
Conclusiones:
El RUDAS ha demostrado ser un instrumento viable y eficiente para cribar demencias en AP, libre de influencias educativas y socioculturales. Es especialmente sensible para discriminar población con deterioro cognitivo leve de población con demencia
Objective: To validate Rowland Dementia Assessment Scale (RUDAS), as an instrument for the screening of people with dementia and cognitive impairment in Primary Health Care (PHC). RUDAS is a brief cognitive test, appropriate for people with minimum completed level of education and easily adaptable to multicultural contexts. For these reason it could be a good instrument for dementia screening in PHC. Design: Cross-sectional descriptive epidemiological study with a five-year follow up. Location: O Grove PHC centre, Galicia, Spain (covering a population of 10,650 individuals). Outcome measures: RUDAS; Mini Mental State Examination; Clinical Dementia Rating; Katz, Barthel and Lawton Indexes; MMSE and Yesavage Geriatric Depression Scale. Participants: A total of 150 older adults (mean age 76.35 ± 7.12 years) randomly selected, from a low sociocultural and economical background and mainly rural and semirural origin. Intervention: RUDAS viability in PHC was checked, and its psychometric properties assessed: reliability, sensitivity, specificity, positive and negative predictive values. Results: RUDAS application was brief (7.58 ± 2.10 min) and well accepted. RUDAS area under receiver operating characteristic (ROC) curve for the detection of dementia was 0.983 (95% confidence interval (CI): 0.97-1.00) for an optimal cut-off point of 22.5, with sensitivity of 89.3%, and a specificity of 100%. Area under ROC curve for discriminating dementia from mild cognitive impairment was 0.965 (95% CI: 0.91-1.00). Conclusions: RUDAS test is fit for dementia screening in PHC and it is especially sensitive to discriminate PWD from people with MCI
Objective: To validate Rowland Dementia Assessment Scale (RUDAS), as an instrument for the screening of people with dementia and cognitive impairment in Primary Health Care (PHC). RUDAS is a brief cognitive test, appropriate for people with minimum completed level of education and easily adaptable to multicultural contexts. For these reason it could be a good instrument for dementia screening in PHC. Design: Cross-sectional descriptive epidemiological study with a five-year follow up. Location: O Grove PHC centre, Galicia, Spain (covering a population of 10,650 individuals). Outcome measures: RUDAS; Mini Mental State Examination; Clinical Dementia Rating; Katz, Barthel and Lawton Indexes; MMSE and Yesavage Geriatric Depression Scale. Participants: A total of 150 older adults (mean age 76.35 ± 7.12 years) randomly selected, from a low sociocultural and economical background and mainly rural and semirural origin. Intervention: RUDAS viability in PHC was checked, and its psychometric properties assessed: reliability, sensitivity, specificity, positive and negative predictive values. Results: RUDAS application was brief (7.58 ± 2.10 min) and well accepted. RUDAS area under receiver operating characteristic (ROC) curve for the detection of dementia was 0.983 (95% confidence interval (CI): 0.97-1.00) for an optimal cut-off point of 22.5, with sensitivity of 89.3%, and a specificity of 100%. Area under ROC curve for discriminating dementia from mild cognitive impairment was 0.965 (95% CI: 0.91-1.00). Conclusions: RUDAS test is fit for dementia screening in PHC and it is especially sensitive to discriminate PWD from people with MCI
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Atención Primaria, Volumen 53, Número 5, 2021. doi: https://doi.org/10.1016/j.aprim.2021.102024
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© 2021 Los Autores. Publicado por Elsevier España, S.L.U. Este es un artículo Open Access bajo la licencia CC BY-NC-ND (http:// creativecommons.org/licenses/by-nc-nd/4.0/)
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