Sensitivity and specificity of the brazilian version of the montreal cognitive assessment – basic (MoCA-B) in chronic kidney disease

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Abstract

Introduction: Cognitive impairment in chronic kidney disease (CKD) is commonly associated with neuropsychiatric disorders. As a complex pathology, at all stages of CKD patients need to have a good understanding of the need for drug and nutritional adherence. Cognitive screening is the starting point for detection of cognitive impairments. Objective: To determine the specificity and sensitivity of the Brazilian Portuguese version of the Montreal Cognitive Assessment – Basic (MoCA-B) for identification of cognitive impairment in the CKD population. Methods: This was a cross-sectional study with 163 CKD patients undergoing hemodialysis treatment. The Mini-Mental State Examination (MMSE) and MoCA-B were administered. Results: The MoCA-B has reliable internal consistency (Cronbach’s alpha = 0.74). A cutoff point of ≤ 21 points provides the best sensitivity and specificity for detection of cognitive impairment. The education variable had less impact on the total MoCA-B score than on the total MMSE score. Conclusions: The MoCA-B is a suitable screening instrument for evaluating the global cognition of hemodialysis patients. The results can help health professionals to conduct evaluations and plan clinical management.

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Amatneeks, T. M., & Hamdan, A. C. (2019). Sensitivity and specificity of the brazilian version of the montreal cognitive assessment – basic (MoCA-B) in chronic kidney disease. Trends in Psychiatry and Psychotherapy, 41(4), 327–333. https://doi.org/10.1590/2237-6089-2018-0085

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