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Smoking related attention alteration in chronic obstructive pulmonary disease-smoking comorbidity.


ABSTRACT:

Background

Chronic obstructive pulmonary disease (COPD) is a respiratory disease that causes a wide range of cognitive impairments. Although COPD-Smoking comorbidity is common, the relationship between smoking and cognitive function in COPD-Smoking comorbidity remains unclear. This study aimed to investigate the effect of smoking on cognitive function like attention in COPD-Smoking patients.

Methods

In this study, we used the Montreal Cognitive Assessment (MoCA) scale and resting-state functional magnetic resonance imaging (fMRI) to explore the effect of smoking on attention in patients with COPD.

Results

Behavioral analysis revealed that among patients with COPD the smokers had a shorter course of COPD and showed a worse attention performance than the non-smokers. Resting-state fMRI analysis revealed that among patients with COPD smokers showed lower regional homogeneity (ReHo) value of the fusiform gyrus than non-smokers. Importantly, the ReHo of the fusiform gyrus is positively associated with attention and mediates the effect of smoking on attention in COPD.

Conclusions

In summary, our study provides behavioral and neurobiological evidence supporting the positive effect of smoking on attention in COPD. This may be helpful for understanding and treating COPD and even other diseases comorbid with smoking.

SUBMITTER: Zeng F 

PROVIDER: S-EPMC9078025 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature

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Publications

Smoking related attention alteration in chronic obstructive pulmonary disease-smoking comorbidity.

Zeng Feiyan F   Hong Wei W   Zha Rujing R   Li Ying Y   Jin Chen C   Liu Ying Y   Liu Hao H   Liu Mengqiu M   Liu Mei M   Xu Fei F   Hu Daiju D   Song Hongwen H   Wu Haiyan H   Yu Yongqiang Y   Zhang Xiaochu X  

BMC pulmonary medicine 20220506 1


<h4>Background</h4>Chronic obstructive pulmonary disease (COPD) is a respiratory disease that causes a wide range of cognitive impairments. Although COPD-Smoking comorbidity is common, the relationship between smoking and cognitive function in COPD-Smoking comorbidity remains unclear. This study aimed to investigate the effect of smoking on cognitive function like attention in COPD-Smoking patients.<h4>Methods</h4>In this study, we used the Montreal Cognitive Assessment (MoCA) scale and resting-  ...[more]

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