Pro-Saccades Predict Cognitive Decline in Parkinson's Disease: ICICLE-PD

被引：27

作者：

Stuart, Samuel ^{[1
,2
]}

Lawson, Rachael A. ^{[1
]}

Yarnall, Alison J. ^{[1
]}

Nell, Jeremy ^{[1
,3
]}

Alcock, Lisa ^{[1
]}

Duncan, Gordon W. ^{[1
,4
]}

Khoo, Tien K. ^{[5
,6
,7
]}

Barker, Roger A. ^{[8
,9
]}

Rochester, Lynn ^{[1
,3
]}

Burn, David J. ^{[10
]}

O'Brien, John T. ^{[11
]}

Brooks, David J. ^{[12
]}

Wesnes, Keith A. ^{[13
]}

Robbins, Trevor W. ^{[14
]}

Chinnery, Patrick F. ^{[15
]}

Johnston, Fionnuala ^{[12
]}

McDonald, Claire ^{[12
]}

Sleeman, Isobel ^{[12
]}

Rowe, James B. ^{[16
]}

Williams-Gray, Caroline ^{[17
]}

Breen, David ^{[17
]}

Cummins, Gemma A. ^{[17
]}

Evans, Jonathan ^{[17
]}

机构：

[1] Newcastle Univ, Clin Ageing Res Unit, Inst Ageing, Inst Neurosci, Newcastle Upon Tyne, Tyne & Wear, England

[2] Oregon Hlth & Sci Univ, Balance Disorders Lab, Dept Neurol, Portland, OR 97201 USA

[3] Newcastle Tyne Hosp NHS Fdn Trust, Newcastle Upon Tyne, Tyne & Wear, England

[4] Univ Edinburgh, Ctr Clin Brain Sci, Edinburgh, Midlothian, Scotland

[5] Griffith Univ, Sch Med, Nathan, Qld, Australia

[6] Griffith Univ, Menzies Hlth Inst, Nathan, Qld, Australia

[7] Univ Wollongong, Sch Med, Wallongong, NSW, Australia

[8] Univ Cambridge, John van Geest Ctr Brain Repair, ED Adrian Bldg, Cambridge, England

[9] Univ Cambridge, Dept Neurol, ED Adrian Bldg, Cambridge, England

[10] Newcastle Univ, Fac Med Sci, Newcastle Upon Tyne, Tyne & Wear, England

[11] Univ Cambridge, Dept Psychiat, Cambridge, England

[12] Newcastle Univ, Inst Neurosci, Newcastle Upon Tyne, Tyne & Wear, England

[13] Swinburne Univ, Ctr Human Psychopharmacol, Melbourne, Vic, Australia

[14] Univ Cambridge, Dept Psychol, Cambridge, England

[15] Newcastle Univ, Inst Genet Med, Newcastle Upon Tyne, Tyne & Wear, England

[16] Behav & Clin Neurosci Inst, Cambridge, England

[17] Univ Cambridge, John van Geest Ctr Brain Repair, Cambridge, England

来源：

MOVEMENT DISORDERS | 2019年 / 34卷 / 11期

关键词：

biomarker; cognition; dementia; Parkinson's disease; saccades; EYE-MOVEMENT; REFLEXIVE SACCADES; IMPAIRMENT; VOLUNTARY; ATTENTION; DEMENTIA; DEFICITS; MOTOR; ANTISACCADES; SACCADOMETRY;

D O I：

10.1002/mds.27813

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

Background Cumulative dementia incidence in Parkinson's disease (PD) is significant, with major personal and socioeconomic impacts on individuals with PD and their carers. Early identification of dementia risk is vital to ensuring optimal intervention. Saccadic deficits often distinguish neurodegenerative disorders and cognitive impairment, but their ability to predict cognitive decline in PD has yet to be determined. The aims of this study were to (1) evaluate baseline (6.4 +/- 6.1 months since PD diagnosis) differences in pro-saccadic metrics between those with early PD and healthy age-matched adults; and (2) assess the ability of baseline pro-saccades to predict subsequent cognitive decline over 4.5 years. Methods One hundred and forty-one PD and 90 age-matched participants recruited at diagnosis underwent saccadometric assessment of pro-saccades at baseline and had cognition assessed at baseline, 18, 36, and 54 months. Pro-saccadic characteristics included latency, duration, amplitude, peak, and average velocity. Cognitive assessment included executive function, attention, fluctuating attention, and memory. Linear mixed-effects models examined pro-saccadic metrics as predictors of cognitive decline over 54 months. Results Pro-saccades were significantly impaired at baseline in PD compared with controls. Pro-saccadic characteristics of latency, duration, peak, and average velocity predicted decline in global cognition, executive function, attention, and memory over 54 months in PD. In addition, only reduction in global cognition and attention were predicted by pro-saccadic metrics in age-matched adults, indicating that PD findings were not purely age related. Conclusions Saccadic characteristics are impaired in early PD and are predictive of cognitive decline in several domains. Assessment of saccades may provide a useful non-invasive biomarker for long-term PD cognitive decline in early disease. (c) 2019 International Parkinson and Movement Disorder Society

引用

页码：1690 / 1698

页数：9

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[1] Comment on "pro-saccades predict cognitive decline in Parkinson's disease: ICICLE-PD"
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