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Review
. 2023 Sep;38(9):e5994.
doi: 10.1002/gps.5994.

Management of cognitive frailty: A network meta-analysis of randomized controlled trials

Yu Zhang  1 , Jing-Jing Zhou  2 , Xu-Ming Zhang  3 , Jing-Ting Liu  1 , Min-Rui Li  1 , Jia-Yi Liang  1 , Yu-Lin Gao  1   4
Affiliations
Review

Management of cognitive frailty: A network meta-analysis of randomized controlled trials

Yu Zhang et al. Int J Geriatr Psychiatry. 2023 Sep.

Abstract

Objectives: We aimed to compare the effectiveness of interventions in cognitive function and frailty status and rank these interventions.

Methods: Data Sources-We searched PubMed, Embase, CINAHL, PsycINFO, Web of Science, Cochrane Library, Central Register of Controlled Trials (CENTRAL), CNKI, Wanfang, VIP and Google scholar. Data synthesis-The risk of bias was assessed using the Cochrane risk bias assessment tool. Statistical heterogeneity was assessed using the Chi-square test and quantified by I2 . The results were pooled using the standardized mean difference (SMD). The rank probability for each intervention was calculated using the surface under the cumulative ranking curve (SUCRA). Additionally, the quality of the evidence was evaluated using the GRADE approach.

Results: A total of 10 randomized controlled trials (RCTs) involving 1110 patients were included in our analysis. The network map of cognitive function comprised 9 RCTs with 1347 participants, examining eight different interventions. Nutritional support (SUCRA = 99.9%, SMD = 3.02, 95% CI: 2.53, 3.51) may be the most effective intervention to improve cognitive function. The network map of frailty (including 9 RCTs with 1017 participants and 9 interventions) suggested that multicomponent exercises (SUCRA = 96.4%, SMD = -5.10, 95% CI: -5.96, -4.23) tended to have a greater effect.

Conclusions: Community-based multicomponent exercises have shown significant benefits for improving cognitive function and frailty status in older adults, with moderate certainty. For hospitalized older patients with Cognitive frailty (CF), current evidence suggests that nutritional support yields the most improvement. Additionally, aerobic exercise and dual-task training have proven effective in managing CF. Further studies are needed to validate these preliminary findings and exploring more accessible and effective physical and cognitive interventions to prevent CF in aging.

Keywords: cognitive frailty; frailty; intervention; mild cognitive impairment; network meta-analysis; older adults; subjective cognitive decline.

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References

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