Vol. 13 nº 3 - Jul/Aug/Set de 2019
Original Article Páginas: 335 a 342

Subjective cognitive impairment, cognitive disorders and self-perceived health: the importance of the informant

Authors Mariana Luciano de Almeida1; Daniela Dalpubel2; Estela Barbosa Ribeiro3; Eduardo Schneider Bueno de Oliveira4; Juliana Hotta Ansai5; Francisco Assis Carvalho Vale6

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keywords: memory complaint, cognitive impairment, older adult, caregiver.

ABSTRACT:
There is great divergence of results in the literature regarding the clinical relevance and etiology of subjective cognitive impairment (SCI). Currently, SCI is studied as a pre-clinical symptom of Alzheimer's disease, before establishing a possible diagnosis of mild cognitive impairment (MCI). The hypothesis was that SCI is associated with low cognitive performance and poor self-perceived health.
OBJECTIVE: to investigate the relationship of SCI with objective cognitive impairment and self-perceived health in older individuals and to compare SCI reported by the elderly subjects and by their respective informants.
METHODS: 83 subjects participated in the study, divided between the forms of the Memory Complaint Scale (MCS). Cognition was evaluated by the Addenbrooke's Cognitive Examination - Revised and self-perceived health by the Short Form Health Survey-8.
RESULTS: there was no association between SCI and self-perceived health. SCI reported by the older adults was associated with executive functions. SCI reported by the informant was associated with overall cognitive performance, memory, verbal fluency and visuospatial functions.
CONCLUSION: we found more robust results between SCI reported by the informant and cognitive impairment in the elderly assessed. There is a need to include and value the perception of someone who knows the older individual well enough to evaluate SCI globally.

 

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