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Detrimental Effect of Type 2 Diabetes Mellitus in a Large Case Series of Parkinson's Disease

Authors
 Seok Jong Chung  ;  Seun Jeon  ;  Han Soo Yoo  ;  Gyuri Kim  ;  Jungsu S Oh  ;  Jae Seung Kim  ;  Alan C Evans  ;  Young H Sohn  ;  Phil Hyu Lee 
Citation
 PARKINSONISM & RELATED DISORDERS, Vol.64 : 54-59, 2019-07 
Journal Title
 PARKINSONISM & RELATED DISORDERS 
ISSN
 1353-8020 
Issue Date
2019-07
Keywords
Cognition ; Cortical thinning ; Dopamine transporter ; Prognosis
Abstract
Introduction: To investigate the effect of diabetes mellitus (DM) on the clinicoradiological features in patients with Parkinson's disease (PD). Methods: 671 patients with de novo PD were classified into two groups according to the presence of DM (106 with DM and 565 without). We performed inter-group comparative analyses of the striatal dopamine transporter (DAT) availability in all patients and level of cognitive performances in 312 patients (58 with DM and 254 without). Neuroimaging analyses of cortical thickness were performed in 42 patients with DM and 42 matched patients without DM. We assessed the longitudinal changes in the levodopa-equivalent dose (LED) across time in 549 patients who were treated for at least two years (86 with DM and 463 without) using a linear mixed model. Results: The PD patients with DM were older at the onset of parkinsonism and had more severely decreased baseline DAT availability in the caudate and ventral striatum than those without DM. The PD group with DM showed poorer performances in attention/working memory and frontal/executive function than the group without DM. Cortical thinning in the right inferomedial temporal lobe was observed in PD with DM group relative to PD without DM group. During follow-up, the PD patients with DM showed a more rapid longitudinal increase in LED than those without DM. Conclusion: Our results suggest that coexistent DM may have a detrimental effect on disease progression as well as baseline striatal dopamine loss, brain structural alterations, and cognitive performances in patients with PD.
Full Text
https://www.sciencedirect.com/science/article/pii/S1353802018303821
DOI
10.1016/j.parkreldis.2018.08.023
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Neurology (신경과학교실) > 1. Journal Papers
Yonsei Authors
Sohn, Young Ho(손영호) ORCID logo https://orcid.org/0000-0001-6533-2610
Yoo, Han Soo(유한수) ORCID logo https://orcid.org/0000-0001-7846-6271
Lee, Phil Hyu(이필휴) ORCID logo https://orcid.org/0000-0001-9931-8462
Chung, Seok Jong(정석종) ORCID logo https://orcid.org/0000-0001-6086-3199
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/175882
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