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Jiang Y, Zhou M, Sheng H, Xu S, Chen Y, Wu L, He Q, Zhao L, Liu J, Chen W. Vestibular-evoked myogenic potential abnormalities in Parkinson's disease with freezing of gait. J Neurol 2024; 271:3527-3536. [PMID: 38538775 DOI: 10.1007/s00415-024-12311-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 03/06/2024] [Accepted: 03/06/2024] [Indexed: 05/30/2024]
Abstract
BACKGROUND Vestibular dysfunction is closely associated with the pathophysiology of Parkinson's disease (PD) accompanied by freezing of gait (FOG); however, evidence supporting this clinical association is lacking. Vestibular-evoked myogenic potentials (VEMPs) have been widely acknowledged as a crucial electrophysiological parameter in the clinical evaluation of vestibular function. OBJECTIVE The present study investigated the possible correlation of FOG occurrence with VEMP observations in patients diagnosed with PD. METHODS Altogether, 95 idiopathic PD patients were recruited into the present cross-sectional study. All patients underwent motor and non-motor assessments using serial scales. In addition, the electrophysiological vestibular evaluation was conducted, which included cervical (cVEMP) and ocular VEMP (oVEMP) assessments. Furthermore, the correlations of bilateral c/oVEMP absence with clinical phenotypes, especially FOG, among the PD patients were analyzed. RESULTS Among the 95 patients with PD, 44 (46.3%) had bilateral oVEMP absence and 23 (24.2%) had bilateral cVEMP absence, respectively. The proportions of patients with bilateral oVEMP absence (77.8% vs 30.9%, p = 0.004) and bilateral cVEMP absence (44.4% vs 19.5%, p = 0.035) were higher in the patient group exhibiting FOG than in the group without FOG. Following the adjustment of confounding variables, bilateral oVEMP absence (OR = 8.544, p = 0.007), rather than bilateral cVEMP absence, was shown to independently predict FOG occurrence in patients with PD. CONCLUSION The close correlation between bilateral oVEMP absence and FOG in PD patients sheds new light on the possible role of central vestibular/upper brainstem dysfunction in FOG development in patients with PD.
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Affiliation(s)
- Yuhan Jiang
- Department of Neurology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Mengxi Zhou
- Department of Neurology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Haibin Sheng
- Department of Otolaryngology-Head and Neck Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Ear Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Translational Medicine on Ear and Nose Diseases, Shanghai, China
| | - Shuai Xu
- Department of Otolaryngology-Head and Neck Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Ear Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Translational Medicine on Ear and Nose Diseases, Shanghai, China
| | - Yajing Chen
- Department of Neurology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Li Wu
- Department of Neurology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qing He
- Department of Neurology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lei Zhao
- Department of Neurology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jianren Liu
- Department of Neurology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wei Chen
- Department of Neurology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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Gui M, Lv L, Qin L, Wang C. Vestibular dysfunction in Parkinson's disease: a neglected topic. Front Neurol 2024; 15:1398764. [PMID: 38846039 PMCID: PMC11153727 DOI: 10.3389/fneur.2024.1398764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 05/14/2024] [Indexed: 06/09/2024] Open
Abstract
Dizziness and postural instability are frequently observed symptoms in patient with Parkinson's disease (PD), potentially linked to vestibular dysfunction. Despite their significant impact on quality of life, these symptoms are often overlooked and undertreated in clinical practice. This review aims to summarize symptoms associated with vestibular dysfunction in patients with PD and discusses vestibular-targeted therapies for managing non-specific dizziness and related symptoms. We conducted searches in PubMed and Web of Science using keywords related to vestibular dysfunction, Parkinson's disease, dizziness, and postural instability, alongside the reference lists of relevant articles. The available evidence suggests the prevalence of vestibular dysfunction-related symptoms in patients with PD and supports the idea that vestibular-targeted therapies may be effective in improving PD symptoms.
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Affiliation(s)
- Meilin Gui
- Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Lingling Lv
- Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Lixia Qin
- Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, China
- China National Clinical Research Center on Mental Disorders, Changsha, China
| | - Chunyu Wang
- Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, China
- Department of Medical Genetics, The Second Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, China
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Mangalam M, Kelty-Stephen DG, Seleznov I, Popov A, Likens AD, Kiyono K, Stergiou N. Older adults and individuals with Parkinson's disease control posture along suborthogonal directions that deviate from the traditional anteroposterior and mediolateral directions. Sci Rep 2024; 14:4117. [PMID: 38374371 PMCID: PMC10876602 DOI: 10.1038/s41598-024-54583-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 02/14/2024] [Indexed: 02/21/2024] Open
Abstract
A rich and complex temporal structure of variability in postural sway characterizes healthy and adaptable postural control. However, neurodegenerative disorders such as Parkinson's disease, which often manifest as tremors, rigidity, and bradykinesia, disrupt this healthy variability. This study examined postural sway in young and older adults, including individuals with Parkinson's disease, under different upright standing conditions to investigate the potential connection between the temporal structure of variability in postural sway and Parkinsonism. A novel and innovative method called oriented fractal scaling component analysis was employed. This method involves decomposing the two-dimensional center of pressure (CoP) planar trajectories to pinpoint the directions associated with minimal and maximal temporal correlations in postural sway. As a result, it facilitates a comprehensive assessment of the directional characteristics within the temporal structure of sway variability. The results demonstrated that healthy young adults control posture along two orthogonal directions closely aligned with the traditional anatomical anteroposterior (AP) and mediolateral (ML) axes. In contrast, older adults and individuals with Parkinson's disease controlled posture along suborthogonal directions that significantly deviate from the AP and ML axes. These findings suggest that the altered temporal structure of sway variability is evident in individuals with Parkinson's disease and underlies postural deficits, surpassing what can be explained solely by the natural aging process.
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Affiliation(s)
- Madhur Mangalam
- Division of Biomechanics and Research Development, Department of Biomechanics, and Center for Research in Human Movement Variability, University of Nebraska at Omaha, Omaha, NE, 68182, USA.
| | - Damian G Kelty-Stephen
- Department of Psychology, State University of New York at New Paltz, New Paltz, NY, 12561, USA
| | - Ivan Seleznov
- Graduate School of Engineering Science, Osaka University, Osaka, 560-8531, Japan
| | - Anton Popov
- Department of Electronic Engineering, Igor Sikorsky Kyiv Polytechnic Institute, Kyiv, 03056, Ukraine
- Faculty of Applied Sciences, Ukrainian Catholic University, Lviv, 79011, Ukraine
| | - Aaron D Likens
- Division of Biomechanics and Research Development, Department of Biomechanics, and Center for Research in Human Movement Variability, University of Nebraska at Omaha, Omaha, NE, 68182, USA
| | - Ken Kiyono
- Graduate School of Engineering Science, Osaka University, Osaka, 560-8531, Japan
| | - Nick Stergiou
- Division of Biomechanics and Research Development, Department of Biomechanics, and Center for Research in Human Movement Variability, University of Nebraska at Omaha, Omaha, NE, 68182, USA
- Department of Department of Physical Education, and Sport Science, Aristotle University, 570 01, Thessaloniki, Greece
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4
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Miyahara Y, Phokaewvarangkul O, Kerr S, Anan C, Toriumi H, Bhidayasiri R. Comparing the efficacy of therapeutic Thai acupressure on plantar acupoints and laser cane therapy on freezing of gait in Parkinson's disease: a randomized non-inferiority trial. Front Neurol 2024; 15:1327448. [PMID: 38348165 PMCID: PMC10859456 DOI: 10.3389/fneur.2024.1327448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 01/15/2024] [Indexed: 02/15/2024] Open
Abstract
Background ON-freezing of gait (ON-FOG) in Parkinson's disease (PD), often resistant to medication, is linked to sensory deficits and proprioceptive impairment, and results in falls and reduced life quality. While visual cues from a laser cane (LC), which rapidly accesses the motor cortex, are commonly used to compensate for proprioceptive impairment, increased visual reliance may be affected by disease progression. Emerging evidence suggests that modulation of peripheral sensory processing may alleviate ON-FOG, and therapeutic Thai acupressure (TTA) may be a solution. This study aims to evaluate the effect of TTA in alleviating ON-FOG and compare its effectiveness to LC in patients with PD. Methods This open-label, non-inferiority trial randomized 90 PD patients with ON-FOG equally into three arms: TTA for plantar nerve stimulation for 96 s, LC for visual cueing, and sham control (SC). Stride length was the primary non-inferiority endpoint [non-inferiority margin: lower limit of 95% confidence interval (CI) above -10 cm in mean change difference in pre- and immediately post-intervention in TTA versus LC (one-sided)]. Secondary outcomes included FOG episodes, double support time, velocity, cadence, step length, timed up and go (TUG) test, and visual analog scale (VAS) score. Results TTA showed non-inferiority to LC in stride length (mean = -0.7 cm; 95% CI: -6.55; 5.15) (one-sided). The improvements with TTA and LC versus SC were comparable between (mean = 13.11 cm; 95% CI: 7.26; 18.96) and (mean = 13.8 cm; 95% CI: 7.96; 19.65) (one-sided). Secondary outcomes favored TTA and LC over SC with improved FOG, velocity, step length, and VAS scores, while only TTA resulted in improved double support time, cadence, and TUG test results. No complications occurred. Conclusion The efficacy of TTA, which improves stride length, is non-inferior to that of LC and consequently alleviates FOG comparable to LC. TTA might enhance proprioceptive function and reduce visual dependence. Therefore, TTA, characterized by its non-invasive, simple, and safe techniques, is a potential non-pharmacological alternative for ON-FOG treatment and might enhance overall quality of life. However, further research into the mechanism, efficacy, and utilization of TTA is essential. Clinical trial registration https://www.thaiclinicaltrials.org/show/TCTR20200317001, identifier TCTR20200317001.
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Affiliation(s)
- Yuka Miyahara
- Doctor of Philosophy Program in Medical Sciences (International Program), Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Chulalongkorn Centre of Excellence for Parkinson’s Disease and Related Disorders, Department of Medicine, Faculty of Medicine, Chulalongkorn University, and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
- Wat Pho Thai Traditional Medical School, Bangkok, Thailand
| | - Onanong Phokaewvarangkul
- Chulalongkorn Centre of Excellence for Parkinson’s Disease and Related Disorders, Department of Medicine, Faculty of Medicine, Chulalongkorn University, and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
| | - Stephen Kerr
- Biostatistics Excellence Centre, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- The Kirby Institute, University of New South Wales, Sydney, NSW, Australia
| | - Chanawat Anan
- Chulalongkorn Centre of Excellence for Parkinson’s Disease and Related Disorders, Department of Medicine, Faculty of Medicine, Chulalongkorn University, and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
| | - Haruki Toriumi
- Department of Acupuncture, Shonan Keiiku Hospital, Fujisawa, Japan
- Toriumi Acupuncture Clinic, Tokyo, Japan
| | - Roongroj Bhidayasiri
- Chulalongkorn Centre of Excellence for Parkinson’s Disease and Related Disorders, Department of Medicine, Faculty of Medicine, Chulalongkorn University, and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
- The Academy of Science, The Royal Society of Thailand, Bangkok, Thailand
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5
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Roytman S, Paalanen R, Griggs A, David S, Pongmala C, Koeppe RA, Scott PJH, Marusic U, Kanel P, Bohnen NI. Cholinergic system correlates of postural control changes in Parkinson's disease freezers. Brain 2023; 146:3243-3257. [PMID: 37086478 PMCID: PMC10393403 DOI: 10.1093/brain/awad134] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 03/16/2023] [Accepted: 04/06/2023] [Indexed: 04/24/2023] Open
Abstract
Postural instability and freezing of gait are the most debilitating dopamine-refractory motor impairments in advanced stages of Parkinson's disease because of increased risk of falls and poorer quality of life. Recent findings suggest an inability to efficaciously utilize vestibular information during static posturography among people with Parkinson's disease who exhibit freezing of gait, with associated changes in cholinergic system integrity as assessed by vesicular acetylcholine transporter PET. There is a lack of adequate understanding of how postural control varies as a function of available sensory information in patients with Parkinson's disease with freezing of gait. The goal of this cross-sectional study was to examine cerebral cholinergic system changes that associate with inter-sensory postural control processing features as assessed by dynamic computerized posturography and acetylcholinesterase PET. Seventy-five participants with Parkinson's disease, 16 of whom exhibited freezing of gait, underwent computerized posturography on the NeuroCom© Equitest sensory organization test platform, striatal dopamine, and acetylcholinesterase PET scanning. Findings demonstrated that patients with Parkinson's disease with freezing of gait have greater difficulty maintaining balance in the absence of reliable proprioceptive cues as compared to those without freezing of gait [β = 0.28 (0.021, 0.54), P = 0.034], an effect that was independent of disease severity [β = 0.16 (0.062, 0.26), P < 0.01] and age [β = 0.092 (-0.005, 0.19), P = 0.062]. Exploratory voxel-based analysis revealed an association between postural control and right hemispheric cholinergic network related to visual-vestibular integration and self-motion perception. High anti-cholinergic burden predicted postural control impairment in a manner dependent on right hemispheric cortical cholinergic integrity [β = 0.34 (0.065, 0.61), P < 0.01]. Our findings advance the perspective that cortical cholinergic system might play a role in supporting postural control after nigro-striatal dopaminergic losses in Parkinson's disease. Failure of cortex-dependent visual-vestibular integration may impair detection of postural instability in absence of reliable proprioceptive cues. Better understanding of how the cholinergic system plays a role in this process may augur novel treatments and therapeutic interventions to ameliorate debilitating symptoms in patients with advanced Parkinson's disease.
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Affiliation(s)
- Stiven Roytman
- Department of Radiology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Rebecca Paalanen
- Department of Neurology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Alexis Griggs
- Department of Radiology, University of Michigan, Ann Arbor, MI 48109, USA
- Parkinson’s Foundation Research Center of Excellence, University of Michigan, Ann Arbor, MI 48109, USA
| | - Simon David
- Department of Radiology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Chatkaew Pongmala
- Department of Radiology, University of Michigan, Ann Arbor, MI 48109, USA
- Morris K. Udall Center of Excellence for Parkinson’s Disease Research, University of Michigan, Ann Arbor, MI 48109, USA
| | - Robert A Koeppe
- Department of Radiology, University of Michigan, Ann Arbor, MI 48109, USA
- Morris K. Udall Center of Excellence for Parkinson’s Disease Research, University of Michigan, Ann Arbor, MI 48109, USA
| | - Peter J H Scott
- Department of Radiology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Uros Marusic
- Department of Radiology, University of Michigan, Ann Arbor, MI 48109, USA
- Institute for Kinesiology Research, Science and Research Centre Koper, 6000 Koper, Slovenia
- Department of Health Sciences, Alma Mater Europaea—ECM, 2000 Maribor, Slovenia
| | - Prabesh Kanel
- Department of Radiology, University of Michigan, Ann Arbor, MI 48109, USA
- Parkinson’s Foundation Research Center of Excellence, University of Michigan, Ann Arbor, MI 48109, USA
- Morris K. Udall Center of Excellence for Parkinson’s Disease Research, University of Michigan, Ann Arbor, MI 48109, USA
| | - Nicolaas I Bohnen
- Department of Radiology, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Neurology, University of Michigan, Ann Arbor, MI 48109, USA
- Parkinson’s Foundation Research Center of Excellence, University of Michigan, Ann Arbor, MI 48109, USA
- Morris K. Udall Center of Excellence for Parkinson’s Disease Research, University of Michigan, Ann Arbor, MI 48109, USA
- Neurology Service and GRECC, VA Ann Arbor Healthcare System, Ann Arbor, MI 48105, USA
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Beserra-Filho JIA, Maria-Macêdo A, Silva-Martins S, Custódio-Silva AC, Soares-Silva B, Silva SP, Lambertucci RH, de Souza Araújo AA, Lucchese AM, Quintans-Júnior LJ, Santos JR, Silva RH, Ribeiro AM. Lippia grata essential oil complexed with β-cyclodextrin ameliorates biochemical and behavioral deficits in an animal model of progressive parkinsonism. Metab Brain Dis 2022; 37:2331-2347. [PMID: 35779151 DOI: 10.1007/s11011-022-01032-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 06/13/2022] [Indexed: 10/17/2022]
Abstract
Parkinson's disease (PD) is identified by the loss of dopaminergic neurons in the Substantia Nigra pars compacta (SNpc), and is correlated to aggregates of proteins such as α-synuclein, Lewy's bodies. Although the PD etiology remains poorly understood, evidence suggests a main role of oxidative stress on this process. Lippia grata Schauer, known as "alecrim-do-mato", "alecrim-de-vaqueiro", "alecrim-da-chapada", is a native bush from tropical areas mainly distributed throughout the Central and South America. This plant species is commonly used in traditional medicine for relief of pain and inflammation conditions, and that has proven antioxidant effects. We evaluated the effects of essential oil of the L. grata after its complexed with β-cyclodextrin (LIP) on PD animal model induced by reserpine (RES). Behavioral assessments were performed across the treatment. Upon completion the treatment, the animals were euthanized, afterwards their brains were isolated and processed for immunohistochemical and oxidative stress analysis. The LIP treatment delayed the onset of the behavior of catalepsy, decreased the number of oral movements and prevented the memory impairment on the novel object recognition task. In addition, the treatment with LIP protected against dopaminergic depletion in the SNpc and dorsal striatum (STRd), and decreased the α-syn immunoreactivity in the SNpc and hippocampus (HIP). Moreover, there was reduction of the oxidative stability index. These findings demonstrated that the LIP treatment has neuroprotective effect in a progressive parkinsonism model, suggesting that LIP could be an important source for novel treatment approaches in PD.
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Affiliation(s)
- Jose Ivo A Beserra-Filho
- Departament of Biosciences, Universidade Federal de São Paulo, Santos, São Paulo, Brazil
- Department of Pharmacology, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Amanda Maria-Macêdo
- Departament of Biosciences, Universidade Federal de São Paulo, Santos, São Paulo, Brazil
| | - Suellen Silva-Martins
- Departament of Biosciences, Universidade Federal de São Paulo, Santos, São Paulo, Brazil
| | | | - Beatriz Soares-Silva
- Departament of Biosciences, Universidade Federal de São Paulo, Santos, São Paulo, Brazil
| | - Sara Pereira Silva
- Departament of Biosciences, Universidade Federal de São Paulo, Santos, São Paulo, Brazil
| | | | | | - Angélica Maria Lucchese
- Graduate Programm in Biotechnology, Universidade Estadual de Feira de Santana, Feira de Santana, Bahia, Brazil
| | | | - José Ronaldo Santos
- Department of Biosciences, Universidade Federal de Sergipe, Itabaiana, Sergipe, Brazil
| | - Regina H Silva
- Department of Pharmacology, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Alessandra M Ribeiro
- Departament of Biosciences, Universidade Federal de São Paulo, Santos, São Paulo, Brazil.
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Bohnen NI, Kanel P, van Emde Boas M, Roytman S, Kerber KA. Vestibular Sensory Conflict During Postural Control, Freezing of Gait, and Falls in Parkinson's Disease. Mov Disord 2022; 37:2257-2262. [PMID: 36373942 PMCID: PMC9673158 DOI: 10.1002/mds.29189] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 06/23/2022] [Accepted: 07/25/2022] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND The vestibular system has been implicated in the pathophysiology of episodic motor impairments in Parkinson's disease (PD), but specific evidence remains lacking. OBJECTIVE We investigated the relationship between the presence of freezing of gait and falls and postural failure during the performance on Romberg test condition 4 in patients with PD. METHODS Modified Romberg sensory conflict test, fall, and freezing-of-gait assessments were performed in 92 patients with PD (70 males/22 females; mean age, 67.6 ± 7.4 years; Hoehn and Yahr stage, 2.4 ± 0.6; mean Montreal Cognitive Assessment, 26.4 ± 2.8). RESULTS Failure during Romberg condition 4 was present in 33 patients (35.9%). Patients who failed the Romberg condition 4 were older and had more severe motor and cognitive impairments than those without. About 84.6% of all patients with freezing of gait had failure during Romberg condition 4, whereas 13.4% of patients with freezing of gait had normal performance (χ2 = 15.6; P < 0.0001). Multiple logistic regression analysis showed that the regressor effect of Romberg condition 4 test failure for the presence of freezing of gait (Wald χ2 = 5.0; P = 0.026) remained significant after accounting for the degree of severity of parkinsonian motor ratings (Wald χ2 = 6.2; P = 0.013), age (Wald χ2 = 0.3; P = 0.59), and cognition (Wald χ2 = 0.3; P = 0.75; total model: Wald χ2 = 16.1; P < 0.0001). Patients with PD who failed the Romberg condition 4 (45.5%) did not have a statistically significant difference in frequency of patients with falls compared with patients with PD without abnormal performance (30.5%; χ2 = 2.1; P = 0.15). CONCLUSIONS The presence of deficient vestibular processing may have specific pathophysiological relevance for freezing of gait, but not falls, in PD. © 2022 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Nicolaas I. Bohnen
- Department of Radiology University of Michigan Ann Arbor Michigan USA
- Department of Neurology University of Michigan Ann Arbor Michigan USA
- Neurology Service and GRECC VA Ann Arbor Healthcare System Ann Arbor Michigan USA
- Morris K. Udall Center of Excellence for Parkinson's Disease Research University of Michigan Ann Arbor Michigan USA
- Parkinson's Foundation Research Center of Excellence University of Michigan Ann Arbor Michigan USA
| | - Prabesh Kanel
- Department of Radiology University of Michigan Ann Arbor Michigan USA
- Morris K. Udall Center of Excellence for Parkinson's Disease Research University of Michigan Ann Arbor Michigan USA
- Parkinson's Foundation Research Center of Excellence University of Michigan Ann Arbor Michigan USA
| | - Miriam van Emde Boas
- Department of Radiology University of Michigan Ann Arbor Michigan USA
- Morris K. Udall Center of Excellence for Parkinson's Disease Research University of Michigan Ann Arbor Michigan USA
- Parkinson's Foundation Research Center of Excellence University of Michigan Ann Arbor Michigan USA
| | - Stiven Roytman
- Department of Radiology University of Michigan Ann Arbor Michigan USA
| | - Kevin A. Kerber
- Department of Neurology University of Michigan Ann Arbor Michigan USA
- Neurology Service and GRECC VA Ann Arbor Healthcare System Ann Arbor Michigan USA
- Parkinson's Foundation Research Center of Excellence University of Michigan Ann Arbor Michigan USA
- Department of Neurology Ohio State University Columbus Ohio USA
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8
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Hvingelby VS, Glud AN, Sørensen JCH, Tai Y, Andersen ASM, Johnsen E, Moro E, Pavese N. Interventions to improve gait in Parkinson's disease: a systematic review of randomized controlled trials and network meta-analysis. J Neurol 2022; 269:4068-4079. [PMID: 35378605 DOI: 10.1007/s00415-022-11091-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 10/18/2022]
Abstract
INTRODUCTION Disabling gait symptoms, especially freezing of gait (FoG), represents a milestone in the progression of Parkinson's disease (PD). This systematic review and network meta-analysis assessed and ranked interventions according to their effectiveness in treating gait symptoms in people with PD across four different groups of gait measures. METHODS A systematic search was carried out across PubMed, EMBASE, PubMed Central (PMC), and Cochrane Central Library from January 2000 to April 2021. All interventions, or combinations, were included. The primary outcome was changes in objective gait measures, before and after intervention. Outcome measures in the included studies were stratified into four different types of gait outcome measures; dynamic gait, fitness, balance, and freezing of gait. For the statistical analysis, five direct head-to-head comparisons of interventions, as well as indirect comparisons were performed. Corresponding forest plots ranking the interventions were generated. RESULTS The search returned 6288 articles. From these, 148 articles could be included. Of the four different groups of measurement, three were consistent, meaning that there was agreement between direct and indirect evidence. The groups with consistent evidence were dynamic gait, fitness, and freezing of gait. For dynamic gait measures, treatments with the largest observed effect were Aquatic Therapy with dual task exercising (SMD 1.99 [- 1.00; 4.98]) and strength and balance training (SMD 1.95 [- 0.20; 4.11]). For measures of fitness, treatments with the largest observed effects were aquatic therapy (SMD 3.41 [2.11; 4.71] and high-frequency repetitive transcranial magnetic stimulation (SMD 2.51 [1.48; 3.55]). For FoG measures, none of the included interventions yielded significant results. CONCLUSION Some interventions can ameliorate gait impairment in people with PD. No recommendations on a superior intervention can be made. None of the studied interventions proved to be efficacious in the treatment of FoG. PROSPERO (registration ID CRD42021264076).
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Affiliation(s)
- Victor Schwartz Hvingelby
- Department of Clinical Medicine, Aarhus University, Palle Juul-Jensens Boulevard 165, 8200, Aarhus N, Denmark. .,Department of Nuclear Medicine, PET Centre Aarhus University Hospital, Aarhus, Denmark.
| | - Andreas Nørgaard Glud
- Department of Clinical Medicine, Aarhus University, Palle Juul-Jensens Boulevard 165, 8200, Aarhus N, Denmark.,Department of Neurosurgery, Aarhus University Hospital, Aarhus, Denmark
| | - Jens Christian Hedemann Sørensen
- Department of Clinical Medicine, Aarhus University, Palle Juul-Jensens Boulevard 165, 8200, Aarhus N, Denmark.,Department of Neurosurgery, Aarhus University Hospital, Aarhus, Denmark
| | - Yen Tai
- Department of Neurosciences, Imperial College Healthcare NHS Trust, London, UK
| | | | - Erik Johnsen
- Department of Clinical Medicine, Aarhus University, Palle Juul-Jensens Boulevard 165, 8200, Aarhus N, Denmark.,Department of Neurology, Aarhus University Hospital, Aarhus, Denmark
| | - Elena Moro
- Division of Neurology, Centre Hospitalier Universitaire of Grenoble, Grenoble Alpes University, Grenoble, France.,Grenoble Institute of Neuroscience, Grenoble, France
| | - Nicola Pavese
- Clinical Ageing Research Unit, Newcastle University, Newcastle Upon Tyne, UK.,Department of Nuclear Medicine, PET Centre Aarhus University Hospital, Aarhus, Denmark
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9
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Xiang K, Liu Y, Sun L. Motoric Cognitive Risk Syndrome: Symptoms, Pathology, Diagnosis, and Recovery. Front Aging Neurosci 2022; 13:728799. [PMID: 35185512 PMCID: PMC8847709 DOI: 10.3389/fnagi.2021.728799] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 09/14/2021] [Indexed: 12/20/2022] Open
Abstract
The motoric cognitive risk (MCR) syndrome is a pre-dementia condition, marked by the enhanced risk for Alzheimer's disease (AD) and vascular dementia, together with falls, disability, and abnormal movements. The research studies revealed the distinct neurological and non-neurological clinical gait irregularities during dementia and accelerated functional decline, such as postural and balance impairments, memory loss, cognitive failure, and metabolic dysfunctions. The disabling characteristics of MCR comprise altered afferent sensory and efferent motor responses, together with disrupted visual, vestibular, and proprioceptive components. The pathological basis of MCR relates with the frontal lacunar infarcts, white matter hyperintensity (WMH), gray matter atrophy in the pre-motor and pre-frontal cortex, abnormal cholinergic functioning, inflammatory responses, and genetic factors. Further, cerebrovascular lesions and cardiovascular disorders exacerbate the disease pathology. The diagnosis of MCR is carried out through neuropsychological tests, biomarker assays, imaging studies, questionnaire-based evaluation, and motor function tests, including walking speed, dual-task gait tests, and ambulation ability. Recovery from MCR may include cognitive, physical, and social activities, exercise, diet, nutritional supplements, symptomatic drug treatment, and lifestyle habits that restrict the disease progression. Psychotherapeutic counseling, anti-depressants, and vitamins may support motor and cognitive improvement, primarily through the restorative pathways. However, an in-depth understanding of the association of immobility, dementia, and cognitive stress with MCR requires additional clinical and pre-clinical studies. They may have a significant contribution in reducing MCR syndrome and the risk for dementia. Overall, the current review informs the vital connection between gait performance and cognition in MCR and highlights the usefulness of future research in the discernment and treatment of dementiating illness.
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Gérard M, Bayot M, Derambure P, Dujardin K, Defebvre L, Betrouni N, Delval A. EEG-based functional connectivity and executive control in patients with Parkinson’s disease and freezing of gait. Clin Neurophysiol 2022; 137:207-215. [DOI: 10.1016/j.clinph.2022.01.128] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 12/08/2021] [Accepted: 01/11/2022] [Indexed: 01/13/2023]
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Klunk D, Woost TB, Fricke C, Classen J, Weise D. Differentiating neurodegenerative parkinsonian syndromes using vestibular evoked myogenic potentials and balance assessment. Clin Neurophysiol 2021; 132:2808-2819. [PMID: 34628341 DOI: 10.1016/j.clinph.2021.08.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 07/15/2021] [Accepted: 08/07/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVE Vestibular evoked myogenic potentials (VEMP) were investigated to differentiate between parkinsonian syndromes. We correlated balance and VEMP parameters to investigate the VEMP brainstem circuits as possible origin for postural instability. METHODS We assessed clinical status, ocular and cervical VEMP (oVEMP, cVEMP) and conducted a balance assessment (posturography, Activities-specific Balance Confidence Scale, Berg Balance Scale, modified Barthel Index) in 76 subjects: 30 with Parkinson's disease (PD), 16 with atypical parkinsonism (AP) and 30 healthy controls. VEMP were elicited by using a mini-shaker on the forehead. RESULTS Patients with PD had a prolonged oVEMP n10 in comparison to controls and prolonged p15 compared to controls and AP. Patients with AP showed reduced oVEMP amplitudes compared to PD and controls. CVEMP did not differ between groups. Postural impairment was higher in AP compared to controls and PD, particularly in the rating scales. No correlations between VEMP and posturography were found. A support vector machine classifier was able to automatically classify controls and patient subgroups with moderate to good accuracy based on oVEMP latencies and balance questionnaires. CONCLUSIONS Both oVEMP and posturography, but not cVEMP, may be differentially affected in PD and AP. We did not find evidence that impairment of the cVEMP or oVEMP pathways is directly related to postural impairment. SIGNIFICANCE OVEMP and balance assessment could be implemented in the differential diagnostic work-up of parkinsonian syndromes.
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Affiliation(s)
- Dietrich Klunk
- Department of Neurology, University of Leipzig, Liebigstraße 20, 04103 Leipzig, Germany; Department of Neurology, Altenburger Land Hospital, Am Waldessaum 10, 04600 Altenburg, Germany
| | - Timo B Woost
- Department of Neurology, University of Leipzig, Liebigstraße 20, 04103 Leipzig, Germany; Department of Psychiatry and Psychotherapy, Center for Psychosocial Medicine, University Medical Center Hamburg-Eppendorf (UKE), Martinistraße 52, 20246 Hamburg, Germany
| | - Christopher Fricke
- Department of Neurology, University of Leipzig, Liebigstraße 20, 04103 Leipzig, Germany
| | - Joseph Classen
- Department of Neurology, University of Leipzig, Liebigstraße 20, 04103 Leipzig, Germany
| | - David Weise
- Department of Neurology, University of Leipzig, Liebigstraße 20, 04103 Leipzig, Germany; Department of Neurology, Asklepios Fachklinikum Stadtroda, Bahnhofstraße 1A, 07646 Stadtroda, Germany.
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12
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Weiss D, Schoellmann A, Fox MD, Bohnen NI, Factor SA, Nieuwboer A, Hallett M, Lewis SJG. Freezing of gait: understanding the complexity of an enigmatic phenomenon. Brain 2020; 143:14-30. [PMID: 31647540 DOI: 10.1093/brain/awz314] [Citation(s) in RCA: 87] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 08/07/2019] [Accepted: 08/16/2019] [Indexed: 12/15/2022] Open
Abstract
Diverse but complementary methodologies are required to uncover the complex determinants and pathophysiology of freezing of gait. To develop future therapeutic avenues, we need a deeper understanding of the disseminated functional-anatomic network and its temporally associated dynamic processes. In this targeted review, we will summarize the latest advances across multiple methodological domains including clinical phenomenology, neurogenetics, multimodal neuroimaging, neurophysiology, and neuromodulation. We found that (i) locomotor network vulnerability is established by structural damage, e.g. from neurodegeneration possibly as result from genetic variability, or to variable degree from brain lesions. This leads to an enhanced network susceptibility, where (ii) modulators can both increase or decrease the threshold to express freezing of gait. Consequent to a threshold decrease, (iii) neuronal integration failure of a multilevel brain network will occur and affect one or numerous nodes and projections of the multilevel network. Finally, (iv) an ultimate pathway might encounter failure of effective motor output and give rise to freezing of gait as clinical endpoint. In conclusion, we derive key questions from this review that challenge this pathophysiological view. We suggest that future research on these questions should lead to improved pathophysiological insight and enhanced therapeutic strategies.
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Affiliation(s)
- Daniel Weiss
- Centre for Neurology, Department for Neurodegenerative Diseases, and Hertie-Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
| | - Anna Schoellmann
- Centre for Neurology, Department for Neurodegenerative Diseases, and Hertie-Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
| | - Michael D Fox
- Berenson-Allen Center, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical Center, Boston, MA, USA.,Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.,Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Nicolaas I Bohnen
- Departments of Radiology and Neurology, University of Michigan, Ann Arbor, MI, USA; Veterans Administration Ann Arbor Healthcare System, Ann Arbor, MI, USA; Morris K. Udall Center of Excellence for Parkinson's Disease Research, University of Michigan, Ann Arbor, MI, USA
| | - Stewart A Factor
- Department of Neurology, Emory School of Medicine, Atlanta, GA, USA
| | - Alice Nieuwboer
- Neuromotor Rehabilitation Research Group, Department of Rehabilitation Sciences, KU Leuven, Leuven, Belgium
| | - Mark Hallett
- National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Simon J G Lewis
- Parkinson's Disease Research Clinic, Brain and Mind Centre, University of Sydney, Australia
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13
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Ehgoetz Martens KA, Peterson DS, Almeida QJ, Lewis SJG, Hausdorff JM, Nieuwboer A. Behavioural manifestations and associated non-motor features of freezing of gait: A narrative review and theoretical framework. Neurosci Biobehav Rev 2020; 116:350-364. [PMID: 32603716 DOI: 10.1016/j.neubiorev.2020.06.026] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 06/19/2020] [Accepted: 06/22/2020] [Indexed: 12/30/2022]
Abstract
Over the past decade, non-motor related symptoms and provocative contexts have offered unique opportunities to gain insight into the potential mechanisms that may underpin freezing of gait (FOG) in Parkinson's disease (PD). While this large body of work has informed several theoretical models, to date, few are capable of explaining behavioural findings across multiple domains (i.e. cognitive, sensory-perceptual and affective) and in different behavorial contexts. As such, the exact nature of these interrelationships and their neural basis remain quite enigmatic. Here, the non-motor, behavioural evidence for cognitive, sensory-perceptual and affective contributors to FOG are reviewed and synthesized by systematically examining (i) studies that manipulated contextual environments that provoke freezing of gait, (ii) studies that uncovered factors that have been proposed to contribute to freezing, and (iii) studies that longitudinally tracked factors that predict the future development of freezing of gait. After consolidating the evidence, we offer a novel perspective for integrating these multi-faceted behavioural patterns and identify key challenges that warrant consideration in future work.
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Affiliation(s)
| | - Daniel S Peterson
- College of Health Solutions, Arizona State University, Arizona, USA; Phoenix Veterans Affairs Medical Centre, Arizona, USA
| | - Quincy J Almeida
- Movement Disorders Research & Rehabilitation Centre, Laurier University, Waterloo, ON, Canada
| | - Simon J G Lewis
- ForeFront Parkinson's Disease Research Clinic, Brain and Mind Centre, School of Medical Sciences, University of Sydney, Camperdown, New South Wales, Australia
| | - Jeffrey M Hausdorff
- Center for the Study of Movement, Cognition and Mobility, Neurological Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel; Dept of Physical Therapy, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Rush Alzheimer's Disease Center and Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Alice Nieuwboer
- Department of Rehabilitation Science, University of Leuven, Leuven, Belgium
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Halperin O, Israeli‐Korn S, Yakubovich S, Hassin‐Baer S, Zaidel A. Self‐motion perception in Parkinson's disease. Eur J Neurosci 2020; 53:2376-2387. [DOI: 10.1111/ejn.14716] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 02/23/2020] [Accepted: 02/24/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Orly Halperin
- Gonda Multidisciplinary Brain Research Center Bar Ilan University Ramat Gan Israel
| | - Simon Israeli‐Korn
- Department of Neurology Movement Disorders Institute Sheba Medical Center Ramat Gan Israel
- The Sackler School of Medicine Tel Aviv University Tel Aviv Israel
| | - Sol Yakubovich
- Gonda Multidisciplinary Brain Research Center Bar Ilan University Ramat Gan Israel
| | - Sharon Hassin‐Baer
- Department of Neurology Movement Disorders Institute Sheba Medical Center Ramat Gan Israel
- The Sackler School of Medicine Tel Aviv University Tel Aviv Israel
| | - Adam Zaidel
- Gonda Multidisciplinary Brain Research Center Bar Ilan University Ramat Gan Israel
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Relationship between Freezing of Gait and Anxiety in Parkinson's Disease Patients: A Systemic Literature Review. PARKINSONS DISEASE 2019; 2019:6836082. [PMID: 31428304 PMCID: PMC6681590 DOI: 10.1155/2019/6836082] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 01/12/2019] [Accepted: 06/09/2019] [Indexed: 01/12/2023]
Abstract
Freezing of gait (FOG) is experienced by a significant number of patients with Parkinson's disease (PD). The pathophysiology of this disabling motor symptom remains unclear, and there are no effective therapies. Anxiety has previously been posited as a contributing factor to gait freezing. There have been few studies directly investigating this topic, and a comprehensive literature review is lacking. The objective of this paper was to systematically review the evidence associating anxiety with the presence, severity, and progression of FOG in PD patients. The PubMed, EMBASE, and PsycINFO databases were searched up to September 19, 2018, for English-language, peer-reviewed articles that explored anxiety and FOG as outcome measures in a PD population base. Review articles, case reports, and articles that assessed gait disorders other than FOG were excluded, yielding a total of 26 articles in the final analysis. Of these 26 studies, 16 had a significant relationship between anxiety outcome measure and either presence or severity of FOG. There was great variability among studies in terms of outcome measures for both FOG and anxiety. Despite this heterogeneity, most studies relate anxiety and FOG. Standardized, high-validity outcome measures of anxiety and FOG are needed. Future exploration should aim to clarify the role of anxiety in FOG as a causal factor, pathophysiological marker, and manifestation of a common pathophysiological process versus a consequence of FOG itself. Clarifying the relationship between anxiety and FOG could reveal anxiety reduction as a therapy for FOG.
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Abstract
For decades it has been speculated that Parkinson's Disease (PD) is associated with dysfunction of the vestibular system, especially given that postural instability is one of the major symptoms of the disorder. Nonetheless, clear evidence of such a connection has been slow to emerge. There are still relatively few studies of the vestibulo-ocular reflexes (VORs) in PD. However, substantial evidence of vestibulo-spinal reflex deficits, in the form of abnormal vestibular-evoked myogenic potentials (VEMPs), now exists. The evidence for abnormalities in the subjective visual vertical is less consistent. However, some studies suggest that the integration of visual and vestibular information may be abnormal in PD. In the last few years, a number of studies have been published which demonstrate that the neuropathology associated with PD, such as Lewy bodies, is present in the central vestibular system. Increasingly, stochastic or noisy galvanic vestibular stimulation (nGVS) is being investigated as a potential treatment for PD, and a number of studies have presented evidence in support of this idea. The aim of this review is to summarize and critically evaluate the human and animal evidence relating to the connection between the vestibular system and PD.
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Affiliation(s)
- Paul F Smith
- Department of Pharmacology and Toxicology, School of Biomedical Sciences and The Brain Health Research Centre, University of Otago, Dunedin, New Zealand.,Brain Research New Zealand Centre of Research Excellence, Eisdell Moore Centre for Hearing and Balance Research, University of Auckland, Auckland, New Zealand
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17
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Harro CC, Kelch A, Hargis C, DeWitt A. Comparing Balance Performance on Force Platform Measures in Individuals with Parkinson's Disease and Healthy Adults. PARKINSON'S DISEASE 2018; 2018:6142579. [PMID: 30687494 PMCID: PMC6304814 DOI: 10.1155/2018/6142579] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 10/23/2018] [Indexed: 02/01/2023]
Abstract
INTRODUCTION Postural instability is a known contributing factor to balance dysfunction and increased fall risk in those with Parkinson's disease (PD). Computerized posturography employing a force platform system provides objective, quantitative assessments of postural control impairments. This study examines balance performance as measured by force platform (FP) tests in persons with PD compared to age-matched healthy adults. Secondarily, we examine if these FP measures provide diagnostic and clinically meaningful information about the underlying balance impairments in the PD population. METHODS Participants-42 individuals with PD (Hoehn and Yahr stage = 2.33 ± 0.77) and 55 age-matched healthy adults-were assessed on three standardized balance measures on a computerized force platform system. Between groups, comparisons of FP performance were analyzed using independent t-test. Within the group, comparisons for the PD cohort were analyzed using ANOVA for comparing disease stage and Mann-Whitney U test for PD subtypes. RESULTS The PD cohort demonstrated significantly greater postural instability on the sensory organization test (SOT) measures (P=0.013, CI-95% = 1.286 to 10.37) and slower movement velocity on the limits of stability (LOS) test (P=0.001, CI-95% = 0.597 to 1.595) than the healthy cohort, suggesting that these tests were sensitive to detect sensory integration and voluntary postural control deficits in the PD cohort. Within the PD group, the SOT differentiated between H&Y stages 1-3. The motor control test (MCT) detected changes in reactive postural control mainly in later disease stages. All three FP tests distinguished between PD subtypes, with the Posture Gait Instability subtype demonstrating poorer balance performance than Tremor Dominant subtype. CONCLUSION These findings suggest FP measures provide clinically meaningful, diagnostic information in the examination of balance impairments in individuals with PD. FP measures may inform clinicians regarding intrinsic balance deficits and guide them in designing targeted balance interventions to reduce fall risk in persons with PD.
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Affiliation(s)
- Cathy C. Harro
- Assistance Professor, Physical Therapy, College of Health Professions, Grand Valley State University, Cook DeVos Center for Health Sciences, 301 Michigan Street NE, Suite 268, Grand Rapids, MI 49503, USA
| | - Amanda Kelch
- Mary Free Bed Rehabilitation Hospital, 235 Wealthy Street SE, Grand Rapids, MI 49503, USA
| | - Cora Hargis
- Mary Free Bed Rehabilitation Hospital, 235 Wealthy Street SE, Grand Rapids, MI 49503, USA
| | - Abigail DeWitt
- PT Solutions, 1321 Tusculum Blvd., Greeneville, TN 37743, USA
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18
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Bekkers EMJ, Dijkstra BW, Heremans E, Verschueren SMP, Bloem BR, Nieuwboer A. Balancing between the two: Are freezing of gait and postural instability in Parkinson's disease connected? Neurosci Biobehav Rev 2018; 94:113-125. [PMID: 30125601 DOI: 10.1016/j.neubiorev.2018.08.008] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 07/19/2018] [Accepted: 08/15/2018] [Indexed: 01/11/2023]
Abstract
Postural instability and freezing of gait (FoG) are key features of Parkinson's disease (PD) closely related to falls. Growing evidence suggests that co-existing postural deficits could influence the occurrence and severity of FoG. To date, the exact nature of this interrelationship remains largely unknown. We analyzed the complex interaction between postural instability and gait disturbance by comparing the findings available in the posturographic literature between patients with and without FoG. Results showed that FoG and postural instability are intertwined, can influence each other behaviorally and may coincide neurologically. The most common FoG-related postural deficits included weight-shifting impairments, and inadequate scaling and timing of postural responses most apparent at forthcoming postural changes under time constraints. Most likely, a negative cycle of combined and more severe postural deficits in people with FoG will enhance postural stability breakdown. As such, the wide brain network deficiencies involved in FoG may also concurrently influence postural stability. Future work needs to examine whether training interventions targeting both symptoms will have extra clinical benefits on fall frequency.
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Affiliation(s)
- E M J Bekkers
- Neuromotor Rehabilitation Research Group, Department of Rehabilitation Sciences, KU Leuven, Tervuursevest 101, B-3001, Leuven, Belgium; Radboud University Medical Centre, Donders Institute for Brain, Cognition and Behaviour, Department of Neurology, Parkinson Center Nijmegen (ParC), Reinier Postlaan 4, 6525 GC Nijmegen, The Netherlands.
| | - B W Dijkstra
- Neuromotor Rehabilitation Research Group, Department of Rehabilitation Sciences, KU Leuven, Tervuursevest 101, B-3001, Leuven, Belgium.
| | - E Heremans
- Neuromotor Rehabilitation Research Group, Department of Rehabilitation Sciences, KU Leuven, Tervuursevest 101, B-3001, Leuven, Belgium.
| | - S M P Verschueren
- Research Group for Musculoskeletal Research, Department of Rehabilitation Sciences, KU Leuven, Tervuursevest 101, B-3001, Leuven, Belgium.
| | - B R Bloem
- Radboud University Medical Centre, Donders Institute for Brain, Cognition and Behaviour, Department of Neurology, Parkinson Center Nijmegen (ParC), Reinier Postlaan 4, 6525 GC Nijmegen, The Netherlands.
| | - A Nieuwboer
- Neuromotor Rehabilitation Research Group, Department of Rehabilitation Sciences, KU Leuven, Tervuursevest 101, B-3001, Leuven, Belgium.
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Paolucci T, Iosa M, Morone G, Fratte MD, Paolucci S, Saraceni VM, Villani C. Romberg ratio coefficient in quiet stance and postural control in Parkinson's disease. Neurol Sci 2018; 39:1355-1360. [PMID: 29737443 DOI: 10.1007/s10072-018-3423-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 04/21/2018] [Indexed: 11/25/2022]
Abstract
The aim of this study was to determine the function of visual afference in postural control in Parkinson patients. We enrolled 29 patients and 30 healthy controls. The stabilometry test was performed for posture and balance and Romberg ratio coefficients were calculated. In addition, the Berg Balance Scale and the 6-Minute Walking Test were administered to assess balance and functional exercise capacity; the Unified Parkinson's Disease Rating Scale was used to determine the stage of the disease; and the Short Form (SF)-36 Health Survey was given to collect information on quality of life. RESULTS significantly longer Center of Pressure (CoP) sway lengths were observed in the parkinson group. The Romberg index for CoP length of sway in parkinson patients was 94.3 ± 19.3%, versus 147.4 ± 120.6% for the control group. (p = 0.025). CONCLUSION Parkinson patients use the increase in CoP sway length and ellipse area to stabilize their balance and sight does not facilitate static postural control as in healthy subjects.
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Affiliation(s)
- Teresa Paolucci
- Complex Unit of Physical Medicine and Rehabilitation, Policlinico Umberto I Hospital, "Sapienza" University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy.
| | - Marco Iosa
- Clinical Laboratory of Experimental Neurorehabilitation, IRCCS Santa Lucia Foundation, Rome, Italy
| | - Giovanni Morone
- Clinical Laboratory of Experimental Neurorehabilitation, IRCCS Santa Lucia Foundation, Rome, Italy
| | - Matteo Delle Fratte
- Complex Unit of Physical Medicine and Rehabilitation, Policlinico Umberto I Hospital, "Sapienza" University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy
| | - Stefano Paolucci
- Clinical Laboratory of Experimental Neurorehabilitation, IRCCS Santa Lucia Foundation, Rome, Italy
| | - Vincenzo M Saraceni
- Complex Unit of Physical Medicine and Rehabilitation, Policlinico Umberto I Hospital, "Sapienza" University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy
| | - Ciro Villani
- Universitary Department of Anatomic, Histologic, Forensic and Locomotor Apparatus Sciences - Section of Locomotor Apparatus Sciences, Policlinico Umberto I Hospital, "Sapienza" University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy
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Bekkers EMJ, Dockx K, Devan S, Van Rossom S, Verschueren SMP, Bloem BR, Nieuwboer A. The Impact of Dual-Tasking on Postural Stability in People With Parkinson’s Disease With and Without Freezing of Gait. Neurorehabil Neural Repair 2018; 32:166-174. [DOI: 10.1177/1545968318761121] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Esther M. J. Bekkers
- KU Leuven, Leuven, Belgium
- Radboud University Medical Center, Nijmegen, the Netherlands
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Cronin T, Arshad Q, Seemungal BM. Vestibular Deficits in Neurodegenerative Disorders: Balance, Dizziness, and Spatial Disorientation. Front Neurol 2017; 8:538. [PMID: 29123498 PMCID: PMC5662638 DOI: 10.3389/fneur.2017.00538] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Accepted: 09/26/2017] [Indexed: 12/13/2022] Open
Abstract
The vestibular system consists of the peripheral vestibular organs in the inner ear and the associated extensive central nervous system projections—from the cerebellum and brainstem to the thalamic relays to cortical projections. This system is important for spatial orientation and balance, both of critical ecological importance, particularly for successful navigation in our environment. Balance disorders and spatial disorientation are common presenting features of neurodegenerative diseases; however, little is known regarding central vestibular processing in these diseases. A ubiquitous aspect of central vestibular processing is its promiscuity given that vestibular signals are commonly found in combination with other sensory signals. This review discusses how impaired central processing of vestibular signals—typically in combination with other sensory and motor systems—may account for the impaired balance and spatial disorientation in common neurodegenerative conditions. Such an understanding may provide for new diagnostic tests, potentially useful in detecting early disease while a mechanistic understanding of imbalance and spatial disorientation in these patients may enable a vestibular-targeted therapy for such problems in neurodegenerative diseases. Studies with state of the art central vestibular testing are now much needed to tackle this important topic.
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Affiliation(s)
- Thomas Cronin
- Division of Brain Sciences, Department of Medicine, Charing Cross Hospital, London, United Kingdom
| | - Qadeer Arshad
- Division of Brain Sciences, Department of Medicine, Charing Cross Hospital, London, United Kingdom
| | - Barry M Seemungal
- Division of Brain Sciences, Department of Medicine, Charing Cross Hospital, London, United Kingdom
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22
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Bekkers EMJ, Dijkstra BW, Dockx K, Heremans E, Verschueren SMP, Nieuwboer A. Clinical balance scales indicate worse postural control in people with Parkinson's disease who exhibit freezing of gait compared to those who do not: A meta-analysis. Gait Posture 2017; 56:134-140. [PMID: 28544951 DOI: 10.1016/j.gaitpost.2017.05.009] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Revised: 05/03/2017] [Accepted: 05/09/2017] [Indexed: 02/02/2023]
Abstract
Postural instability and freezing of gait (FOG) are key features of Parkinson's disease (PD) that are closely related to falls. Uncovering the postural control differences between individuals with and without FOG contributes to our understanding of the relationship between these phenomena. The objective of this meta-analysis was to investigate whether postural control deficits, as detected by clinical balance scales, were more apparent in FOG+ compared to FOG-. Furthermore, we aimed to identify whether different scales were equally sensitive to detect postural control deficits and whether medication affected postural control differentially in each subgroup. Relevant articles were identified via five electronic databases. We performed a meta-analysis on nine studies which reported clinical balance scale scores in 249 freezers and 321 non-freezers. Methodological analysis showed that in 5/9 studies disease duration differed between subgroups. Despite this drawback, postural control was found to be significantly worse in FOG+ compared to FOG-. All included clinical balance scales were found to be sufficiently sensitive to detect the postural control differences. Levodopa did not differentially affect postural control (p=0.21), as in both medication states FOG+ had worse postural stability than FOG-. However, this finding warrants a cautious interpretation given the limitations of the studies included. From subscore analysis, we found that reactive and dynamic postural control were the most affected postural control systems in FOG+. We conclude that our findings provide important evidence for pronounced postural instability in individuals with FOG, which can be easily picked up with clinical evaluation tools. Posturographic measures in well-matched subgroups are needed to highlight the exact nature of these deficits.
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Affiliation(s)
- Esther M J Bekkers
- Neuromotor Rehabilitation Research Group, Department of Rehabilitation Sciences, KU Leuven, Belgium.
| | - Bauke W Dijkstra
- Neuromotor Rehabilitation Research Group, Department of Rehabilitation Sciences, KU Leuven, Belgium
| | - Kim Dockx
- Neuromotor Rehabilitation Research Group, Department of Rehabilitation Sciences, KU Leuven, Belgium
| | - Elke Heremans
- Neuromotor Rehabilitation Research Group, Department of Rehabilitation Sciences, KU Leuven, Belgium
| | - Sabine M P Verschueren
- Research Group for Musculoskeletal Research, Department of Rehabilitation Sciences, KU Leuven, Belgium
| | - Alice Nieuwboer
- Neuromotor Rehabilitation Research Group, Department of Rehabilitation Sciences, KU Leuven, Belgium
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Buated W, Lolekha P, Hidaka S, Fujinami T. Impact of Cognitive Loading on Postural Control in Parkinson's Disease With Freezing of Gait. Gerontol Geriatr Med 2016; 2:2333721416673751. [PMID: 28680941 PMCID: PMC5486484 DOI: 10.1177/2333721416673751] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Accepted: 09/08/2016] [Indexed: 11/21/2022] Open
Abstract
Objective:To assess standing balance in Parkinson’s disease (PD) patients with and without freezing of gait (FOG) during cognitive loading. Method:A balance assessment with cognitive loading, reading (RE) and counting backward (CB), was performed by the Nintendo Wii Fit in 60 PD patients (Hoehn and Yahr stages 1-3) at Thammasat University Hospital, Thailand. The participants were grouped into FOG and non-FOG according to the Freezing of Gait–Questionnaire (FOG-Q) scores. The center of pressure (CoP) in terms of path length (PL), sway area (SA), root mean square (RMS), medio-lateral (ML), and antero-posterior (AP) were analyzed. Results:Significant increases of PL were observed in both groups of PD patients during cognitive loading (p < .001). Meanwhile, the increased differences of PL during cognitive loading in PD-FOG were larger than in PD-non-FOG. The ML displacement during counting backward was significantly increased in PD-FOG (p = .012). Conclusion:Cognitive loading influenced standing balance and postural sway of PD patients. The effects were more prominent in PD-FOG. These findings represent the interactions between cognitive function, postural control, and FOG in PD.
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Affiliation(s)
- Wannipat Buated
- School of Knowledge Science, Japan Advanced Institute of Science and Technology, Ishikawa, Japan
| | - Praween Lolekha
- Neurology Division, Department of Internal Medicine, Faculty of Medicine, Thammasat University, Pathum Thani, Thailand
| | - Shohei Hidaka
- School of Knowledge Science, Japan Advanced Institute of Science and Technology, Ishikawa, Japan
| | - Tsutomu Fujinami
- School of Knowledge Science, Japan Advanced Institute of Science and Technology, Ishikawa, Japan
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Huh YE, Hwang S, Kim K, Chung WH, Youn J, Cho JW. Reply to letter: The association of postural sensory deficit with freezing of gait in Parkinson's disease. Parkinsonism Relat Disord 2016; 31:141-142. [PMID: 27318705 DOI: 10.1016/j.parkreldis.2016.06.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2016] [Accepted: 06/13/2016] [Indexed: 11/28/2022]
Affiliation(s)
- Young Eun Huh
- Department of Neurology, CHA Bundang Medical Center, CHA University, Seongnam, South Korea
| | - Seonhong Hwang
- Center for Robotics Research, Korea Institute of Science and Technology, Seoul, South Korea
| | - Keehoon Kim
- Center for Robotics Research, Korea Institute of Science and Technology, Seoul, South Korea
| | - Won-Ho Chung
- Department of Otolaryngology, Head and Neck Surgery, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, South Korea
| | - Jinyoung Youn
- Department of Neurology, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, South Korea; Neuroscience Center, Samsung Medical Center, Seoul, South Korea
| | - Jin Whan Cho
- Department of Neurology, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, South Korea; Neuroscience Center, Samsung Medical Center, Seoul, South Korea.
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