Journal
JOURNAL OF THE NEUROLOGICAL SCIENCES
Volume 366, Issue -, Pages 94-99Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jns.2016.04.042
Keywords
Amyotrophic lateral sclerosis; Parkinson's disease; Progressive supranuclear palsy; Multiple system atrophy; Spinocerebellar ataxia; Endothelial function
Categories
Funding
- Research Committees from the Ministry of Health, Labour and Welfare of Japan
- [25293202]
- [15K09316]
- [15K15527]
- [15K21181]
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This study evaluates endothelial functions of neurodegenerative diseases such as amyotrophic lateral sclerosis (ALS), Parkinson's disease (PD), progressive supranuclear palsy (PSP), multiple system atrophy (MSA) and spinocerebellar ataxia (SCA). The reactive hyperemia index (RHI) of peripheral arterial tonometry and serological data were compared between age- and gender-matched normal controls (n = 302) and five disease groups (ALS; n = 75, PD; n = 180, PSP; n = 30, MSA; n = 35, SCA; n = 53). Correlation analyses were performed in ALS with functional rating scale-revised (FRS-R), and in PD with the Hehn-Yahr scale (H-Y) and a heart to mediastinum ratio using I-123-MIBG scintigraphy (MIBG). The RHI of ALS and PD, but not of PSP, MSA or SCA, were significantly lower than normal controls (p < 0.01). ALS showed a negative correlation of RHI with serum triglycerides (TG) and immunoreactive insulin (IRI) levels, but not with disease severity (FRS-R) or rates of disease progression (Delta FRS-R). On the other hand, PD showed a negative correlation of RHI with a progressive disease severity (H-Y) and a positive correlation of RHI with early/delayed MIBG scintigraphy, but not with serological data. The present study demonstrated significant declines of peripheral arterial endothelial functions in ALS and PD. The RHI of ALS was more correlated with disease duration and serum parameters while the RHI of PD was more correlated with disease severity and MIBG, suggesting different mechanisms of endothelial dysfunction. (C) 2016 Elsevier B.V. All rights reserved.
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