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Validation of the Korean version of the Boston Autonomic Symptom Questionnaire
손은희,Christopher H. Gibbons,Freeman Roy,이애영,정미숙,김수영 대한신경과학회 2021 Journal of Clinical Neurology Vol.17 No.3
Background and Purpose The Boston Autonomic Symptom Questionnaire (BASQ) is a quantitative tool using a numeric rating scale to assess the symptoms of systemic dysautonomia, including cardiovascular, gastrointestinal, urinary, sudomotor, vasomotor, and sexual functions. The aim of this study was to validate the Korean version of the BASQ (KBASQ). Methods Prospectively enrolled subjects who submitted to autonomic function tests, including tests for cardiovagal, adrenergic, and sudomotor functions, also completed the KBASQ and the Korean version of the Orthostatic Grading Scale (KOGS), a validated questionnaire for assessing orthostatic symptoms.Twenty-eight subjects completed the KBASQ twice to assess test-retest reliability. We classified the subjects to dysautonomia or normal control group according to dysautonomic symptoms and the results of autonomic function tests. Results This study enrolled 225 subjects aged 54.0±18.1 years (mean±standard deviation), with a male/female ratio of 1/1.03. The internal validity of the KBASQ was excellent (Cronbach’s α=0.922), and that of each of its subscales ranged from excellent to acceptable (Cronbach’s α=0.709–0.952). The test-retest reliability was good, with correlation coefficients ranging from 0.354 to 0.917. The subcategory scores for the KBASQ were significantly higher in the dysautonomia group than in the normal control group. There were significant correlations among the items in the KBASQ and KOGS. There was also a significant correlation between KBASQ scores and the results of the autonomic function tests. Conclusions The internal validity and reliability of the KBASQ were good, indicating that it may be a useful screening tool for the systematic evaluation of autonomic symptoms in patients with dysautonomia.
Alpha-Synuclein in Skin Nerve Fibers as a Biomarker for Alpha-Synucleinopathies
김지영,Ben MW Illigens,Michael P. McCormick,Ningshan Wang,Christopher H. Gibbons 대한신경과학회 2019 Journal of Clinical Neurology Vol.15 No.2
The common pathological features of synucleinopathies are abnormal aggregates of the synaptic protein alpha-synuclein (αSN) in the cytoplasm of neurons or glia. These abnormal aggregates appear several years before the onset of clinical manifestations, and so the early detection of αSN in body fluids or peripheral tissues (e.g., cerebrospinal fluid, colonic mucosa, salivary glands, and skin) is considered a potential tool for identifying synucleinopathies. Performing a skin biopsy is a practical option because it is a relatively noninvasive, safe, and reliable method to measure αSN deposition in the peripheral nervous system. Moreover, there is growing research interest in the use of cutaneous synuclein deposition as a biomarker for synucleinopathies. The aim of this study was to interpret the current data on cutaneous αSN deposition and present the current perspectives and future prospects