Journal of Movement Disorders

Original Articles

Trends in Physiotherapy Interventions and Medical Costs for Parkinson’s Disease in South Korea, 2011–2020: Dong-Woo Ryu, Jinse Park, Myung Jun Lee, Dallah Yoo, Sang-Myung Cheon; J Mov Disord. 2024;17(3):270-281. Published online March 19, 2024; DOI: https://doi.org/10.14802/jmd.23269

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Abstract PDF Supplementary Material: Objective
Physiotherapy (PT), which is an effective strategy for managing Parkinson’s disease (PD), can influence health care utilization. We analyzed trends in health care utilization, PT interventions, and medical costs among patients with PD.
Methods
Using data from the Korean National Health Insurance Service from 2011 to 2020, we analyzed the number of patients with PD and their health care utilization and assessed the odds ratio (OR) for receiving regular PTs.
Results
Over 10 years, 169,613 patients with PD were included in the analysis. The number of patients with PD increased annually from 49,417 in 2011 to 91,841 in 2020. The number of patients with PD receiving PT increased from 4,847 (9.81%) in 2011 to 13,163 (14.33%) in 2020, and the number of PT prescriptions increased from 81,220 in 2011 to 377,651 in 2019. Medical costs per patient with PD increased from 1,686 United States dollars (USD) in 2011 to 3,202 USD in 2020. The medical expenses for each patient with PD receiving PT increased from 6,582 USD in 2011 to 13,475 USD in 2020. Moreover, regular PTs were administered to 31,782 patients (18.74%) and were administered only through hospitalization. Those patients in their 50s with disabilities demonstrated a high OR for regular PTs, whereas those aged 80 years or older and residing outside of Seoul had a low OR.
Conclusion
The PD burden increased in South Korea between 2011 and 2020, as did health care utilization and medical costs. A significant increase in medical expenses can be associated with increased PD incidence and PT interventions. Regular PT applications remain restricted and have barriers to access.

Fasting Plasma Glucose Levels and Longitudinal Motor and Cognitive Outcomes in Parkinson’s Disease Patients: Ko-Eun Choi, Dong-Woo Ryu, Yoon-Sang Oh, Joong-Seok Kim; J Mov Disord. 2024;17(2):198-207. Published online March 6, 2024; DOI: https://doi.org/10.14802/jmd.23264

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Abstract PDF Supplementary Material: Objective
Hyperglycemia and diabetes mellitus have been identified as poor prognostic factors for motor and nonmotor outcomes in patients with Parkinson’s disease (PD), although there is some controversy with this finding. In the present study, we investigated the effects of fasting plasma glucose (FPG) levels on longitudinal motor and cognitive outcomes in PD patients.
Methods
We included a total of 201 patients who were diagnosed with PD between January 2015 and January 2020. The patients were categorized based on FPG level into euglycemia (70 mg/dL < FPG < 100 mg/dL), intermediate glycemia (100 mg/dL ≤ FPG < 126 mg/dL), and hyperglycemia (FPG ≥ 126 mg/dL), and longitudinal FPG trajectories were analyzed using group-based trajectory modeling. Survival analysis was conducted to determine the time until motor outcome (Hoehn and Yahr stage ≥ 2) and the conversion from normal cognition to mild cognitive impairment.
Results
Among the patient cohort, 82 had euglycemia, 93 had intermediate glycemia, and 26 had hyperglycemia. Intermediate glycemia (hazard ratio 1.747, 95% confidence interval [CI] 1.083–2.816, p = 0.0221) and hyperglycemia (hazard ratio 3.864, 95% CI 1.996–7.481, p < 0.0001) were found to be significant predictors of worsening motor symptoms. However, neither intermediate glycemia (hazard ratio 1.183, 95% CI 0.697–2.009, p = 0.5339) nor hyperglycemia (hazard ratio 1.297, 95% CI 0.601–2.800, p = 0.5078) demonstrated associations with the longitudinal progression of cognitive impairment. Diabetes mellitus, defined by self-reported medical history, was not related to poor motor or cognitive impairment outcomes.
Conclusion
Our results suggest that both impaired glucose tolerance and hyperglycemia could be associated with motor progression in PD patients.

Erratum

The Impact of Impulsivity on Quality of Life in Early Drug-Naïve Parkinson’s Disease Patients: Dong-Woo Ryu, Joong-Seok Kim, Sang-Won Yoo, Yoon-Sang Oh, Kwang-Soo Lee; J Mov Disord. 2021;14(2):176-176. Published online May 26, 2021; DOI: https://doi.org/10.14802/jmd.19004.e; Corrects: J Mov Disord 2019;12(3):172

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Original Article

The Impact of Impulsivity on Quality of Life in Early Drug-Naïve Parkinson’s Disease Patients: Dong-Woo Ryu, Joong-Seok Kim, Sang-Won Yoo, Yoon-Sang Oh, Kwang-Soo Lee; J Mov Disord. 2019;12(3):172-176. Published online August 9, 2019; DOI: https://doi.org/10.14802/jmd.19004; Correction in: J Mov Disord 2021;14(2):176

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Abstract PDF

Objective
Impulse control disorders (ICDs) in Parkinson’s disease (PD) are mostly related to dopamine replacement therapy (DRT); however, drug-naïve PD patients have also frequently experienced impulsivity. This phenomenon makes clinicians hesitate treating patients with DRT. In this study, we assessed the effect of impulsivity on quality of life (QOL) in drug-naïve PD patients.
Methods
Two hundred three newly diagnosed, nonmedicated PD patients were enrolled, and they received structured clinical interviews, physical examinations and validated questionnaires to evaluate motor and nonmotor symptoms and QOL. Impulsivity was evaluated using the Questionnaire for Impulsive-Compulsive Disorders in Parkinson’s Disease-Rating Scale (QUIP-RS).
Results
Thirty-eight patients (18.7%) had impulsivity with QUIP-RS scores ≥ 1 and 4 patients (2.0%) were diagnosed with combined ICDs. Motor and nonmotor symptoms were significantly correlated with the Parkinson’s Disease Questionnaire-39 summary index. Female sex and QUIP-RS scores were also correlated with QOL in drug-naïve PD patients.
Conclusion
The results of the present study showed that impulsivity negatively influences QOL in early drug-naïve PD patients. In addition, more severe motor and nonmotor symptoms were also associated with lower QOL. Such findings complicate treatment but provide valuable information for managing early PD.

Citations

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Frequency of Impulsive-Compulsive Behavior and Associated Psychological Factors in Parkinson’s Disease: Lack of Control or Too Much of It?
Alexandros Kapsomenakis, Dimitrios Kasselimis, Emily Vaniotis, Anastasia Bougea, Christos Koros, Athina Maria Simitsi, Leonidas Stefanis, Constantin Potagas
Medicina.2023; 59(11): 1942. CrossRef
Locus Coeruleus Integrity Is Linked to Response Inhibition Deficits in Parkinson's Disease and Progressive Supranuclear Palsy
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The Journal of Neuroscience.2023; 43(42): 7028. CrossRef
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Frontiers in Neurology.2021;[Epub] CrossRef
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Mayela Rodríguez-Violante, Yazmín Ríos-Solís, Oscar Esquivel-Zapata, Fanny Herrera, Susana López-Alamillo, Cynthia Sarabia-Tapia, Amin Cervantes-Arriaga
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Letter to the editor

Camptocormia with Transient Ischemic Attack: Ju-Hee Oh, Dong-Woo Ryu, Si-Hoon Lee, Joong-Seok Kim; J Mov Disord. 2017;10(1):62-63. Published online January 18, 2017; DOI: https://doi.org/10.14802/jmd.16043

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Citations

Citations to this article as recorded by

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Journal of Stroke and Cerebrovascular Diseases.2020; 29(8): 104882. CrossRef
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