Journal of Movement Disorders

Won Tae Yoon

7 Articles

Evaluating the Validity and Reliability of the Korean Version of the Scales for Outcomes in Parkinson’s Disease–Cognition: Jinse Park, Eungseok Oh, Seong-Beom Koh, In-Uk Song, Tae-Beom Ahn, Sang Jin Kim, Sang-Myung Cheon, Yoon-Joong Kim, Jin Whan Cho, Hyeo-Il Ma, Mee Young Park, Jong Sam Baik, Phil Hyu Lee, Sun Ju Chung, Jong-Min Kim, Han-Joon Kim, Young-Hee Sung, Do Young Kwon, Jae-Hyeok Lee, Jee-Young Lee, Ji Seon Kim, Ji Young Yun, Hee Jin Kim, Jin Yong Hong, Mi-Jung Kim, Jinyoung Youn, Hui-Jun Yang, Won Tae Yoon, Sooyeoun You, Kyum-Yil Kwon, Su-Yun Lee, Younsoo Kim, Hee-Tae Kim, Joong-Seok Kim, Ji-Young Kim; J Mov Disord. 2024;17(3):328-332. Published online April 3, 2024; DOI: https://doi.org/10.14802/jmd.24061

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Abstract PDF Supplementary Material: Objective
The Scales for Outcomes in Parkinson’s Disease–Cognition (SCOPA-Cog) was developed to assess cognition in patients with Parkinson’s disease (PD). In this study, we aimed to evaluate the validity and reliability of the Korean version of the SCOPACog (K-SCOPA-Cog).
Methods
We enrolled 129 PD patients with movement disorders from 31 clinics in South Korea. The original version of the SCOPA-Cog was translated into Korean using the translation-retranslation method. The test–retest method with an intraclass correlation coefficient (ICC) and Cronbach’s alpha coefficient were used to assess reliability. Spearman’s rank correlation analysis with the Montreal Cognitive Assessment-Korean version (MOCA-K) and the Korean Mini-Mental State Examination (K-MMSE) were used to assess concurrent validity.
Results
The Cronbach’s alpha coefficient was 0.797, and the ICC was 0.887. Spearman’s rank correlation analysis revealed a significant correlation with the K-MMSE and MOCA-K scores (r = 0.546 and r = 0.683, respectively).
Conclusion
Our results demonstrate that the K-SCOPA-Cog has good reliability and validity.

Caregiver Burden of Patients With Huntington’s Disease in South Korea: Chan Young Lee, Chaewon Shin, Yun Su Hwang, Eungseok Oh, Manho Kim, Hyun Sook Kim, Sun Ju Chung, Young Hee Sung, Won Tae Yoon, Jin Whan Cho, Jae-Hyeok Lee, Han-Joon Kim, Hee Jin Chang, Beomseok Jeon, Kyung Ah Woo, Seong-Beom Koh, Kyum-Yil Kwon, Jangsup Moon, Young Eun Kim, Jee-Young Lee; J Mov Disord. 2024;17(1):30-37. Published online September 11, 2023; DOI: https://doi.org/10.14802/jmd.23134

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Objective
This is the first prospective cohort study of Huntington’s disease (HD) in Korea. This study aimed to investigate the caregiver burden in relation to the characteristics of patients and caregivers.
Methods
From August 2020 to February 2022, we enrolled patients with HD from 13 university hospitals in Korea. We used the 12-item Zarit Burden Interview (ZBI-12) to evaluate the caregiver burden. We evaluated the clinical associations of the ZBI-12 scores by linear regression analysis and investigated the differences between the low- and high-burden groups.
Results
Sixty-five patients with HD and 45 caregivers were enrolled in this cohort study. The average age at onset of motor symptoms was 49.3 ± 12.3 years, with an average cytosine-adenine-guanine (CAG)n of 42.9 ± 4.0 (38–65). The median ZBI-12 score among our caregivers was 17.6 ± 14.2. A higher caregiver burden was associated with a more severe Shoulson–Fahn stage (p = 0.038) of the patients. A higher ZBI-12 score was also associated with lower independence scale (B = -0.154, p = 0.006) and functional capacity (B = -1.082, p = 0.002) scores of patients. The caregiving duration was longer in the high- than in the low-burden group. Caregivers’ demographics, blood relation, and marital and social status did not affect the burden significantly.
Conclusion
HD patients’ neurological status exerts an enormous impact on the caregiver burden regardless of the demographic or social status of the caregiver. This study emphasizes the need to establish an optimal support system for families dealing with HD in Korea. A future longitudinal analysis could help us understand how disease progression aggravates the caregiver burden throughout the entire disease course.

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Attitude toward physical activity among Asian American family caregivers of persons living with dementia
JiWon Choi, Van Park, Andrew Jung, Janice Tsoh
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Chidera Okoh, Leighanne Mayall, Selina M. Makin, Cliff Chen, Nicolò Zarotti
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A Practical Guide for Diagnostic Investigations and Special Considerations in Patients With Huntington’s Disease in Korea
Jangsup Moon, Eungseok Oh, Minkyeong Kim, Ryul Kim, Dallah Yoo, Chaewon Shin, Jee-Young Lee, Jong-Min Kim, Seong-Beom Koh, Manho Kim, Beomseok Jeon
Journal of Movement Disorders.2025; 18(1): 17. CrossRef
A Practical Guide for Clinical Approach to Patients With Huntington’s Disease in Korea
Chaewon Shin, Ryul Kim, Dallah Yoo, Eungseok Oh, Jangsup Moon, Minkyeong Kim, Jee-Young Lee, Jong-Min Kim, Seong-Beom Koh, Manho Kim, Beomseok Jeon
Journal of Movement Disorders.2024; 17(2): 138. CrossRef

Validation of the Korean Version of the Scale for Outcomes in Parkinson’s Disease-Autonomic: Ji-Young Kim, In-Uk Song, Seong-Beom Koh, Tae-Beom Ahn, Sang Jin Kim, Sang-Myung Cheon, Jin Whan Cho, Yun Joong Kim, Hyeo-Il Ma, Mee-Young Park, Jong Sam Baik, Phil Hyu Lee, Sun Ju Chung, Jong-Min Kim, Han-Joon Kim, Young-Hee Sung, Do Young Kwon, Jae-Hyeok Lee, Jee-Young Lee, Ji Sun Kim, Ji Young Yun, Hee Jin Kim, Jin Young Hong, Mi-Jung Kim, Jinyoung Youn, Ji Seon Kim, Eung Seok Oh, Hui-Jun Yang, Won Tae Yoon, Sooyeoun You, Kyum-Yil Kwon, Hyung-Eun Park, Su-Yun Lee, Younsoo Kim, Hee-Tae Kim, Joong-Seok Kim; J Mov Disord. 2017;10(1):29-34. Published online January 18, 2017; DOI: https://doi.org/10.14802/jmd.16057

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Abstract PDF Supplementary Material

Objective
Autonomic symptoms are commonly observed in patients with Parkinson’s disease (PD) and often limit the activities of daily living. The Scale for Outcomes in Parkinson’s disease-Autonomic (SCOPA-AUT) was developed to evaluate and quantify autonomic symptoms in PD. The goal of this study was to translate the original SCOPA-AUT, which was written in English, into Korean and to evaluate its reliability and validity for Korean PD patients.
Methods
For the translation, the following processes were performed: forward translation, backward translation, expert review, pretest of the pre-final version and development of the final Korean version of SCOPA-AUT (K-SCOPA-AUT). In total, 127 patients with PD from 31 movement disorder clinics of university-affiliated hospitals in Korea were enrolled in this study. All patients were assessed using the K-SCOPA-AUT and other motor, non-motor, and quality of life scores. Test-retest reliability for the K-SCOPA-AUT was assessed over a time interval of 10−14 days.
Results
The internal consistency and reliability of the K-SCOPA-AUT was 0.727 as measured by the mean Cronbach’s α-coefficient. The test-retest correlation reliability was 0.859 by the Guttman split-half coefficient. The total K-SCOPA-AUT score showed a positive correlation with other non-motor symptoms [the Korean version of non-motor symptom scale (K-NMSS)], activities of daily living (Unified Parkinson’s Disease Rating Scale part II) and quality of life [the Korean version of Parkinson’s Disease Quality of Life 39 (K-PDQ39)].
Conclusion
The K-SCOPA-AUT had good reliability and validity for the assessment of autonomic dysfunction in Korean PD patients. Autonomic symptom severities were associated with many other motor and non-motor impairments and influenced quality of life.

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Clinical Characteristics and Relevance of Dizziness in Patients with de novo Parkinson’s Disease
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Anticholinergic Agents Can Induce Oromandibular Dyskinesia: Hee-Young Shin, Won Tae Yoon, Won Yong Lee; J Mov Disord. 2009;2(2):69-71.; DOI: https://doi.org/10.14802/jmd.09018

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Abstract PDF

Background and Purpose:

Oromandibular dyskinesia (OMD) can occur spontaneously or they can be induced by the conventional dopamine receptor antagonists. Anticholinergic medications have rarely been reported to cause OMD in parkinsonian or non-parkinsonian patients.

Methods:

We analyzed the clinical features of two parkinsonian and one non-parkinsonian patients who experienced OMD after anticholinergic medication.

Results:

Each patient of our cases developed oromandibular symptoms in the temporal regions that were related to the addition of anticholinergic agents, and the symptoms were relieved following the discontinuation of the causative anticholinergic drugs. In one of our case, levodopa alone did not cause dyskinesia but augmented dyskinesia associated with anticholinergics.

Conclusions:

Here we report two parkinsonian and one non-parkinsonian patients with OMD induced by the use of anticholinergic agents. In our cases, we could not find any other precipitating or actual secondary causes for the OMD symptoms in our patients. Furthermore, the fact that the OMD in our cases were ameliorated with cessation of anticholinergics suggests that it may be anticholinergic-induced.

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Factors associated with anticholinergic-induced oral-buccal-lingual dyskinesia in Parkinson’s disease
Joonyoung Ha, Suk Yun Kang, Kyoungwon Baik, Young H. Sohn, Phil Hyu Lee, Min Seok Baek, Jin Yong Hong
Journal of Movement Disorders.2024; 17(1): 109. CrossRef
Impact of anticholinergic drugs withdrawal on motor function in patients with Parkinson’s disease
Yasaman Saeedi, Maryam Ghadimi, Mohammad Rohani, Maziar Emamikhah, Gholamali Shahidi, Mehdi Moghaddasi, Seyed Amir Hassan Habibi
Clinical Neurology and Neurosurgery.2021; 202: 106480. CrossRef
Treatment of Tardive Dyskinesia: A General Overview with Focus on the Vesicular Monoamine Transporter 2 Inhibitors
Nicki Niemann, Joseph Jankovic
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Painless Legs and Moving Toes as an Initial Presentation of Ischemic Stroke: Se Mi Oh, Won Tae Yoon, Ji Youn Kim, Hee-Young Shin, Won Yong Lee; J Mov Disord. 2009;2(1):40-42.; DOI: https://doi.org/10.14802/jmd.09010

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Abstract PDF

Painless legs and moving toes is an unusual syndrome, which has not previously been reported as an initial presentation of ischemic stroke. We encountered a 78-year-old woman who developed dysarthria and involuntary movement of her left toes that was clinically regarded as painless legs and moving toes. These symptoms appeared abruptly and simultaneously as the initial symptoms of stroke, and improved gradually with conservative management by intravenous hydration for a month. We suggest that, in our case, a cortical brain lesion caused by ischemic stroke might be associated with the development of painless legs and moving toes.

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Unwillkürliche Zehenbewegungen und neuropathische Schmerzen – gibt es einen Zusammenhang?
S. C. Schwichtenberg, K. Witt
DGNeurologie.2025;[Epub] CrossRef
Painful legs and moving toes syndrome
Hiroki Tamura, Kosuke Ishizuka, Kiyoshi Shikino, Masatomi Ikusaka
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Painful legs and moving toes syndrome in a 16-year-old girl
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Reliability of Serum Anti-thyroid Antibody Screening in the Diagnosis of Parkinson’s Disease and Multiple System Atrophy: Taek-Jun Lee, Hee-Young Shin, Won Tae Yoon, Won Yong Lee; J Mov Disord. 2008;1(2):75-81.; DOI: https://doi.org/10.14802/jmd.08014

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Abstract PDF: Backgrounds:
Ataxia associated with Hashimoto’s thyroiditis autoantibodies has been reported as acquired cerebellar ataxia. However, relationship between anti-thyroid antibodies and cerebellar ataxia has not been clarified yet.
Objectives:
We aimed to analysis the relibility of serum anti-thyroid antibodies screening in the diagnosis of Parkinson’s disease (PD) and multiple system atrophy (MSA).
Method:
We enrolled 105 patients with clinically diagnosed PD and 75 patients with probable MSA. Patients with PD were classified into 70 patients with early PD (Hoehn & Yahr stage I to II) and 35 patients with late PD (Hoehn & Yahr stage III to IV). In MSA, 28 patients were classified as MSA-p (parkinsonism predominant) and 47 MSA-c (cerebellar predominant). For analysis of thyroid function, serum free triiodothyronine (T3), free thyroxine (T4), anti-thyroglobuline (TG) antibodies and anti-microsomal antibodies were measured. Cut-off level for abnormal titers of anti-thyroid antibodies were defiend as above 100 U/ml.
Results:
Abnormally high titer of serum anti-TG antibodies and anti-microsomal antibodies was more frequently observed in MSA than in PD (p =0.001 and 0.003, respectively). However, there was no significant difference in the frequency of abnormal titer either between MSA-c and MSA-p (p>0.05) nor between early PD and late PD (p>0.05). Among clinical parameters, only ataxia was correlated with both titer of anti-TG antibody and anti-microsomal antibody (p=0.007 and 0.002, respectively).
Conclusion:
These results suggest that high titer of anti-thyroid antibodies may be associated with MSA rather than PD and screening of serum anti-thyroid antibodies may be helpful for discrimiation of PD from MSA. However, anti-thyroid antibodies screening may not be helpful to differentiate MSA-c from MSA-p.

Validation of the Korean Version of the Huntington’s Disease Quality of Life Battery for Carers: Hee Jin Chang, Eungseok Oh, Won Tae Yoon, Chan Young Lee, Kyum-Yil Kwon, Yun Su Hwang, Chaewon Shin, Jee-Young Lee; Received October 21, 2024 Accepted December 20, 2024 Published online December 30, 2024; DOI: https://doi.org/10.14802/jmd.24217 [Epub ahead of print]

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Abstract PDF: Objective
The Huntington’s Disease Quality of Life Battery for Carers (HDQoL-C) is used to evaluate caregiver quality of life. This study aimed to develop and validate the Korean version of the HDQoL-C (K-HDQoL-C) to assess the burden on Korean caregivers of Huntington’s disease (HD) patients.
Methods
A total of 19 HD caregivers (7 females, mean age 55.4±14.6 years) participated in this study. The K-HDQoL-C, a translation of the English version, consisted of demographic information, caring aspects, life satisfaction, and feelings about life. It was administered twice, 2 weeks apart. Internal consistency was evaluated using Cronbach’s α, and test-retest reliability was assessed with intraclass correlation coefficients. The relationship with the Zarit Burden Interview-12 (ZBI-12) was analyzed.
Results
The internal consistencies of the K-HDQoL-C were 0.771 (part 2), 0.938 (part 3), and 0.891 (part 4). The test-retest reliability ranged from 0.908 to 0.936. Part 3 was negatively correlated with the ZBI-12, and part 4 was positively correlated with the ZBI-12 (r=-0.780, 0.923; p<0.001).
Conclusion
The K-HDQoL-C effectively evaluates the challenges faced by HD caregivers, particularly in terms of care aspects and life satisfaction.

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