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|Title:||Serum uric acid level and its association with motor subtypes and non-motor symptoms in early Parkinson's disease: PALS study||Authors:||Huang X.
|Keywords:||Early Parkinson's disease
Postural instability/gait difficulty (PIGD)
Serum uric acid
Tremor dominant (TD)
|Issue Date:||2018||Publisher:||Elsevier Ltd||Citation:||Huang X., Ng S.Y.-E., Chia N.S.-Y., Acharyya S., Setiawan F., Lu Z.-H., Ng E., Tay K.-Y., Au W.-L., Tan E.-K., Tan L.C.-S. (2018). Serum uric acid level and its association with motor subtypes and non-motor symptoms in early Parkinson's disease: PALS study. Parkinsonism and Related Disorders 455. ScholarBank@NUS Repository. https://doi.org/10.1016/j.parkreldis.2018.05.010||Abstract:||Objective: Uric acid has been found to be potentially neuroprotective in Parkinson's disease (PD). We investigated the relationship between serum uric acid levels and both motor and non-motor features in a prospective early PD cohort study. Methods: Fasting serum uric acid levels were measured from 125 early PD patients. Demographic, clinical characteristics, motor and non-motor assessments were performed. Patients were categorized into three motor subtypes: tremor-dominant (TD), postural instability/gait difficulty (PIGD), and mixed. Non-motor symptoms were classified as present or absent based on the appropriate cut-offs for each non-motor instrument. Results: Most patients had TD (n = 51, 40.8%) and mixed (n = 63, 50.4%) motor subtypes, while a minority had PIGD (n = 11, 8.8%) motor subtype. The mean serum uric acid levels were significantly different between the three motor subtypes (p = 0.0106), with the mixed subtype having the lowest serum uric acid levels. Using the TD subtype as reference, patients with higher serum uric acid levels were less likely to have the mixed (OR = 0.684; p = 0.0312) subtype as opposed to the TD subtype. Uric acid levels were not significantly different between the TD and PIGD subtypes. For non-motor symptoms, higher serum uric acid levels were significantly associated with less fatigue (OR = 0.693; p = 0.0408). Conclusion: Higher serum uric acid levels were associated with TD motor subtype and less fatigue in early PD, which could be related to its anti-oxidative properties. Uric acid could be an important biomarker for specific motor features and symptoms of fatigue in PD. � 2018 Elsevier Ltd||Source Title:||Parkinsonism and Related Disorders||URI:||http://scholarbank.nus.edu.sg/handle/10635/150211||ISSN:||13538020||DOI:||10.1016/j.parkreldis.2018.05.010|
|Appears in Collections:||Staff Publications|
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