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Global cognitive performance at 4-year follow-up in individuals with atrial fibrillation—findings from The Irish Longitudinal Study on Ageing
Age and Ageing ( IF 6.7 ) Pub Date : 2021-06-17 , DOI: 10.1093/ageing/afab141
Triona McNicholas 1, 2, 3 , Katy Tobin 1, 4 , Susan O'Callaghan 2, 3, 5 , Rose Anne Kenny 1, 2, 3
Affiliation  

Introduction Atrial fibrillation (AF) has been proposed as a risk factor for cognitive impairment, even in the absence of a history of stroke. This study investigates whether AF is associated with increased risk of cognitive decline in a community-dwelling population of adults over the age of 50. Methods Data from the 1st and 3rd waves of The Irish Longitudinal Study on Ageing (TILDA) were used (4-year follow-up period). TILDA is a large prospective cohort study of community-dwelling adults over the age of 50 in Ireland. AF was assessed via electrocardiogram. Global cognitive function was assessed at baseline and follow-up using Montreal Cognitive Assessment (MOCA). Analysis of global cognition was repeated stratifying by age. Mixed-effects Poisson regression was used to assess for change in rate of errors on MOCA and MOCA subdomains. Results A total of 3,417 participants were included in the study. Results found that participants with AF had a greater increase in rate of errors on MOCA over 4-year follow-up (incident rate ratio (IRR) 1.18; 95% confidence interval (CI) 1.02, 1.37; P-value 0.023). However, this was no longer significant on controlling for age, sex and level of education (IRR 1.08; 95% CI 0.93, 1.25; P-value 0.332). There was no difference when stratifying by age group, or when separating MOCA into subdomains. Conclusion Individuals with AF were more likely to show an increase in rate of errors between waves 1 and 3 (4-year follow-up period) in the TILDA population; however, results were not significant when controlling for age, sex and level of education.

中文翻译:

心房颤动患者 4 年随访时的全球认知表现——来自爱尔兰老龄化纵向研究的结果

简介 房颤 (AF) 已被提议作为认知障碍的危险因素,即使在没有中风病史的情况下也是如此。本研究调查 AF 是否与 50 岁以上成人社区居住人口的认知能力下降风险增加相关。方法使用来自爱尔兰老龄化纵向研究 (TILDA) 的第一和第三波数据 (4-年随访期)。TILDA 是一项针对爱尔兰 50 岁以上社区居民的大型前瞻性队列研究。通过心电图评估房颤。使用蒙特利尔认知评估(MOCA)在基线和随访时评估全球认知功能。全球认知分析按年龄重复分层。混合效应泊松回归用于评估 MOCA 和 MOCA 子域的错误率变化。结果 共有 3,417 名参与者被纳入研究。结果发现,在 4 年的随访中,房颤参与者的 MOCA 错误率增加更大(发生率比 (IRR) 1.18;95% 置信区间 (CI) 1.02, 1.37;P 值 0.023)。然而,这对于控制年龄、性别和教育水平不再显着(IRR 1.08;95% CI 0.93, 1.25;P 值 0.332)。按年龄组分层或将 MOCA 划分为子域时没有差异。结论 在 TILDA 人群中,AF 个体更有可能表现出在第 1 波和第 3 波(4 年随访期)之间的错误率增加;然而,在控制年龄、性别和教育水平时,结果并不显着。结果发现,在 4 年的随访中,房颤参与者的 MOCA 错误率增加更大(发生率比 (IRR) 1.18;95% 置信区间 (CI) 1.02, 1.37;P 值 0.023)。然而,这对于控制年龄、性别和教育水平不再显着(IRR 1.08;95% CI 0.93, 1.25;P 值 0.332)。按年龄组分层或将 MOCA 划分为子域时没有差异。结论 在 TILDA 人群中,AF 个体更有可能表现出在第 1 波和第 3 波(4 年随访期)之间的错误率增加;然而,在控制年龄、性别和教育水平时,结果并不显着。结果发现,在 4 年的随访中,房颤参与者的 MOCA 错误率增加更大(发生率比 (IRR) 1.18;95% 置信区间 (CI) 1.02, 1.37;P 值 0.023)。然而,这对于控制年龄、性别和教育水平不再显着(IRR 1.08;95% CI 0.93, 1.25;P 值 0.332)。按年龄组分层或将 MOCA 划分为子域时没有差异。结论 在 TILDA 人群中,AF 个体更有可能表现出在第 1 波和第 3 波(4 年随访期)之间的错误率增加;然而,在控制年龄、性别和教育水平时,结果并不显着。这对于控制年龄、性别和教育水平不再显着(IRR 1.08;95% CI 0.93, 1.25;P 值 0.332)。按年龄组分层或将 MOCA 划分为子域时没有差异。结论 在 TILDA 人群中,AF 个体更有可能表现出在第 1 波和第 3 波(4 年随访期)之间的错误率增加;然而,在控制年龄、性别和教育水平时,结果并不显着。这对于控制年龄、性别和教育水平不再显着(IRR 1.08;95% CI 0.93, 1.25;P 值 0.332)。按年龄组分层或将 MOCA 划分为子域时没有差异。结论 在 TILDA 人群中,AF 个体更有可能表现出在第 1 波和第 3 波(4 年随访期)之间的错误率增加;然而,在控制年龄、性别和教育水平时,结果并不显着。
更新日期:2021-06-17
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