Smoking history is associated to cognitive impairment in Parkinson's disease

Doiron, Maxime; Dupré, Nicolas; Langlois, Mélanie; Provencher, Pierre; Simard, Martine

doi:10.1080/13607863.2015.1090393

Cited by 17 publications

(19 citation statements)

References 28 publications

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“…As a result, differential targets for blood pressure in the oldest-old have been suggested by some groups of experts [ 55 – 57 ], but large longitudinal studies are still needed to verify the validity of this change. Moreover, other relevant factors, such as alcohol and tobacco use, sleep disturbances, sedentary lifestyle, history of stress-related disorders and unhealthy dietary habits, are not accounted within the MetS construct and their importance for cognitive decline in the elderly ought to be furtherly investigated [ 58 – 61 ].…”

Section: Discussionmentioning

confidence: 99%

Metabolic Syndrome and cognitive decline in the elderly: A systematic review

et al. 2018

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BackgroundMetabolic Syndrome (MetS) refers to a cluster of metabolic disturbances which is associated with increased risk for vascular and degenerative conditions in general population. Although the relationship between vascular risk factors and dementia is undisputable, additional hazard for cognitive decline in older population with concurrent metabolic disorders still waits to be demonstrated. The present review aims to analyze data on MetS and risk for cognitive decline in elderly persons.MethodsDatabase searches were performed in Medline, ISI and PsycINFO for articles assessing cognitive performances of older subjects with MetS.ResultsOf a total of 505 studies, 25 were selected for the review. Risk of selection biases was identified in all the studies. Although all articles followed recognized diagnostic recommendations for MetS, minor criteria modifications were detected in most of them. Hyperglycemia was consistently associated with impaired cognitive performances in older individuals, but the role of MetS for cognitive decline and for the onset of dementia showed heterogeneous results.DiscussionCurrent available data in the literature concerning the impact of MetS on the cognition of older population is inconclusive and based on inconsistent evidence. Differential effects of individual MetS components and factors associated with the age of the sample may have accounted for divergent findings among articles, but larger and higher quality studies in this field are still needed.

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Section: Discussionmentioning

confidence: 99%

Metabolic Syndrome and cognitive decline in the elderly: A systematic review

et al. 2018

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“…First, although the cognitive battery we used is more extensive than those of most previous studies, it is relatively limited in comparison to the recommendations of the Movement Disorder Society for the level II diagnosis of mild cognitive impairment (Litvan et al, ). Also, the PPMI study did not record smoking history, which may be associated with cognitive impairment in PD (Weisskopf et al, ; Doiron et al, ). Moreover, the physician‐confirmed self‐reported nature of the VRFs data may introduce a source of error that is difficult to appreciate.…”

Section: Discussionmentioning

confidence: 99%

The influence of vascular risk factors on cognitive function in early Parkinson's disease

Doiron

Langlois

Dupré

et al. 2017

Int J Geriat Psychiatry

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“…However, smoking severity is associated with low BDNF level [ 23 ]. Smoking is decreases cognition in patients with Parkinson disease, even after quitting [ 24 ]. Smokers who were matched for education, age, income, and sex had significant impairment in cognition, spatial working memory, sustained attention, and executive planning and had inappropriate behavior involving risk-taking as compared to non-smokers [ 15 ].…”

Section: Discussionmentioning

confidence: 99%

Effect of Smoking on Cognitive Functioning in Young Saudi Adults

Bashir

Alghamd

Alhussien

et al. 2017

Med Sci Monit Basic Res

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BackgroundSmoking is the predominant form of tobacco consumption and is growing worldwide, particularly in the younger generation in the Middle-East. We aimed to determine the effects of tobacco smoking on cognitive functions among young Saudi adults.Material/MethodsWe recruited a group of cigarette smokers (N=22) and a group of controls (non-smokers) (N=30) from apparently healthy male volunteers aged 18–29 years. Cognitive function was assessed by using the Cambridge Neuropsychological Automated Battery (CANTAB). The cognitive functions outcome variables were the response time (attention-switching task [AST]), and the percentage of correct response (pattern recognition memory [PRM] task). Clinical, demographic, blood markers (brain-derived neurotrophic factor (BDNF) and apolipoprotein E) were assessed between groups.ResultsThe 2 groups were matched for age and educational status. In comparison to the control group, smokers showed significant cognitive impairments in AST-Latency (p=0.001), AST-Congruent (p=0.001), and AST-Incongruent condition (p=0.001). There was not significant difference in BDNF APOE serum level between the 2 groups.ConclusionsThese results indicate that attention and alertness were significantly impaired in smokers compared to non-smokers.

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Smoking history is associated to cognitive impairment in Parkinson's disease

Cited by 17 publications

References 28 publications

Metabolic Syndrome and cognitive decline in the elderly: A systematic review

Metabolic Syndrome and cognitive decline in the elderly: A systematic review

The influence of vascular risk factors on cognitive function in early Parkinson's disease

Effect of Smoking on Cognitive Functioning in Young Saudi Adults

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