期刊
PARKINSONISM & RELATED DISORDERS
卷 24, 期 -, 页码 28-33出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.parkreldis.2016.01.021
关键词
Parkinson's disease; Transcranial sonography; Substantia nigra; Disease severity; Chinese
资金
- National Key Basic Research Program of China [2011CB504104]
- Natural Science Fund of China [81430022, 81371407]
Background: Transcranial sonography can display structural alterations in the substantia nigra (SN) of patients with Parkinson's disease (PD), and is considered to be a potential useful tool for the diagnosis of PD. The aim of this study was to assess the correlation between SN echogenicity and clinical features in Chinese patients with PD. Methods: A total of 420 subjects including 290 patients with PD and 130 controls were recruited from the neurological clinic or the community. Transcranial sonographic evaluations of the SN were performed in all subjects, and motor and non-motor symptoms were thoroughly assessed by a series of rating scales in PD patients. Results: Two hundred and one patients were successfully assessed by transcranial sonography. SN hyperechogenicity was found to be associated with male sex (p = 0.004), higher scores on the Unified Parkinson's Disease Rating Scale (UPDRS) part II (p = 0.001) and autonomic symptoms scores (p = 0.003). Moreover, regression analysis revealed that UPDRS part II scores (odds ratio = 1.141, p < 0.001) and gender (odds ratio = 2.409, p = 0.007) could be the independent predictors for SN hyperechogenicity; in addition, among all items of UPDRS part II, speech, dressing, hygiene, and turning in bed and adjusting bed clothes significantly correlated with SN hyperechogenicity. Conclusions: This is the first report suggesting the correlation between SN echogenicity and UPDRS part II, and we conclude that increased SN echogenicity might reflect more severe disease disability or poorer medical response. (C) 2016 Elsevier Ltd. All rights reserved.
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