认知
痴呆
老年学
认知功能衰退
医学
心理学
精神科
疾病
内科学
作者
Marco Canevelli,Matteo Cesari,Gabor Abellán van Kan
出处
期刊:Current Opinion in Clinical Nutrition and Metabolic Care
[Ovid Technologies (Wolters Kluwer)]
日期:2015-01-01
卷期号:18 (1): 43-50
被引量:74
标识
DOI:10.1097/mco.0000000000000133
摘要
Purpose of review To provide a comprehensive review of the recent literature (published over the last 12 months) exploring the relationship between frailty and cognition. Recent findings Fourteen studies were retained for the present review. No randomized controlled trial was found. Overall, the main findings of the selected studies appeared to be mainly confirmatory of the previous evidence. In longitudinal studies, physical frailty was found to predict the incidence of cognitive impairment and dementia. Cross-sectional studies showed that frail individuals have lower cognitive performance compared with nonfrail persons. Interestingly, few studies examined the association between frailty and specific cognitive functions and domains, reporting a significant impairment of attention and executive functions Finally, we found several studies including cognitive measures in the operational definitions of frailty. Summary The present findings are suggestive of an almost complete lack of evidence on the addressed topic. In particular, randomized controlled trials are strongly needed in order to gain insights about the possibility of positively affecting the frailty syndrome by acting of cognition and improving cognitive impairment by targeting the physical components of frailty. Moreover, these studies may produce the first evidences about the novel concept of ‘cognitive frailty’ and its potential for reversibility.
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