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Jungyeun Lee 1 Article
Constipation is Associated With Mild Cognitive Impairment in Patients With de novo Parkinson’s Disease
Sung Hoon Kang, Jungyeun Lee, Seong-Beom Koh
J Mov Disord. 2022;15(1):38-42.   Published online November 17, 2021
DOI: https://doi.org/10.14802/jmd.21074
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AbstractAbstract PDF
Objective
The association between gastrointestinal (GI) symptoms and cognitive profile in patients with Parkinson’s disease (PD) at diagnosis remains unclear, although GI symptoms and cognitive impairment are highly prevalent in patients with PD. We investigated the relationship between constipation and cognitive status. We also aimed to identify the correlation between constipation and each neuropsychological dysfunction.
Methods
A total of 427 patients with de novo Parkinson’s disease with normal cognition (PD-NC, n = 170) and Parkinson’s disease with mild cognitive impairment (PD-MCI, n = 257) at Korea University Guro Hospital in Seoul, Korea were included. All patients underwent comprehensive neuropsychological tests and completed the Non-Motor Symptoms Scale (NMSS). The frequency and severity of constipation were assessed using the NMSS GI symptoms scale, we used logistic regression analysis and partial correlation analysis to determine the associations between constipation score, MCI, and each neuropsychological dysfunction.
Results
Frequent and severe constipation was associated with MCI in patients with PD at diagnosis regardless of disease severity. Specifically, constipation was related to poor performance in frontal-executive and visuospatial functions after controlling for age and sex.
Conclusion
Our findings may provide an understanding of constipation as a marker associated with cognitive impairment in individuals with PD. Therefore, the evaluation of cognitive function is warranted in PD patients with constipation, while further studies are necessary to investigate the detailed mechanism of our results.

Citations

Citations to this article as recorded by  
  • Interactions between gut microbiota and Parkinson's disease: The role of microbiota-derived amino acid metabolism
    Wang Wang, Shujun Jiang, Chengcheng Xu, Lili Tang, Yan Liang, Yang Zhao, Guoxue Zhu
    Frontiers in Aging Neuroscience.2022;[Epub]     CrossRef

JMD : Journal of Movement Disorders