Acute changes in cortical activation during active ankle movement after whole-body vibration for spasticity in hemiplegic legs of stroke patients: a functional near-infrared spectroscopy study

Miyara, Kodai; Kawamura, Kuniaki; Matsumoto, Shûji; Ohwatashi, Akihiko; Itashiki, Yuki; Uema, Tomohiro; Noma, Tomokazu; Ikeda, Keiko; Shimodozono, Megumi

doi:10.1080/10749357.2019.1659639

Cited by 16 publications

(11 citation statements)

References 36 publications

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“…This study revealed a significant reduction in spasticity following rPMS along with a stronger mu rhythm ERD in the contralesional hemisphere. This is consistent with the results of Pundik et al ( 39 ) and Miyara et al ( 40 ). Pundik et al identified a positive correlation between decrease in spasticity and the strength of fMRI activation in the contralesional motor cortex.…”

Section: Discussionsupporting

confidence: 94%

“…By contrast, the present study adopted EEG to measure cortical activity. Stronger activations in the contralesional hemisphere have been detected using fMRI ( 39 ) and fNIRS ( 40 ); this is in agreement with the EEG results of the present study, which revealed decreased ERD power in the contralesional hemisphere. This finding may indicate that activity changes in the contralesional hemisphere are associated with decreases in spasticity.…”

Section: Discussionsupporting

confidence: 92%

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Electroencephalography Mu Rhythm Changes and Decreased Spasticity After Repetitive Peripheral Magnetic Stimulation in Patients Following Stroke

Chen

Shu

et al. 2020

Front. Neurol.

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Background: Spasticity is common among patients with stroke. Repetitive peripheral magnetic stimulation (rPMS) is a painless and noninvasive therapy that is a promising approach to reducing spasticity. However, the central mechanism of this therapy remains unclear. Changes in cortical activity and decreased spasticity after rPMS intervention require further exploration. The aim of this study was to explore the electroencephalography (EEG) mu rhythm change and decrease in spasticity after rPMS intervention in patients with stroke. Materials and methods: A total of 32 patients with spasticity following stroke were recruited in this study and assigned to the rPMS group ( n = 16) or sham group ( n = 16). The modified Ashworth scale, modified Tardieu scale, and Fugl–Meyer assessment of the upper extremity were used to assess changes in upper limb spasticity and motor function. Before and after the rPMS intervention, EEG evaluation was performed to detect EEG mu rhythm changes in the brain. Results: After one session of rPMS intervention, spasticity was reduced in elbow flexors ( p < 0.05) and wrist flexors ( p < 0.05). Upper limb motor function measured according to the Fugl–Meyer assessment was improved ( p < 0.05). In the rPMS group, the power of event-related desynchronization decreased in the mu rhythm band (8–12 Hz) in the contralesional hemisphere ( p < 0.05). Conclusions: The results indicate that rPMS intervention reduced spasticity. Cortical activity changes may suggest this favorable change in terms of its neurological effects on the central nervous system.

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Section: Discussionsupporting

confidence: 94%

Section: Discussionsupporting

confidence: 92%

Electroencephalography Mu Rhythm Changes and Decreased Spasticity After Repetitive Peripheral Magnetic Stimulation in Patients Following Stroke

Chen

Shu

et al. 2020

Front. Neurol.

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“…Sessions lasted 5–10 min with the patient on a vibrating platform employing a 12–40 Hz frequency and a 1.5–4 mm amplitude. In four papers, the patient was standing on the platform with semi-flexed knees ( 55 , 57 , 59 , 60 ), while in a study by Miyara the patient was sitting down ( 56 , 58 ). Treatments were delivered by physiotherapists in five out of six studies.…”

Section: Resultsmentioning

confidence: 99%

“…The length of a treatment varied considerably among studies: in four studies, patients underwent a single session of vibration therapy ( 55 , 56 , 58 , 60 ); in another study, Alp et al devised a month-long program, lasting 12 sessions ( 57 ), and Pang's group vibration therapy lasted 2 months ( 59 ). Four of these studies were RCTs, which included sham vibrations control groups sometimes associated with specific exercises.…”

Section: Resultsmentioning

confidence: 99%

Physical therapy interventions for the correction of equinus foot deformity in post-stroke patients with triceps spasticity: A scoping review

et al. 2022

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ObjectiveEquinus foot deformity (EFD) is the most common deformity following a stroke. Several approaches have been suggested for its correction, including pharmacological, surgical, and physical therapy (PT) interventions. This scoping review aims to map and synthesize the available evidence focusing on physical therapy treatments for EFD caused by triceps surae (TS) spasticity.MethodsScoping review methodological frameworks have been used. Pubmed, Cinahl, and Cochrane databases were searched for primary literature. Studies focusing on the treatment of EFD in adult stroke patients were included only when the intervention involved PT treatments and presented at least one outcome measure for the functional and/or structural condition of the TS. Data were systematically collected and reported in tables inclusive of type of intervention, sample characteristics, dosage, comparators, outcomes, follow-up timeline, and treatment efficacy. A narrative synthesis was also added.ResultsOf the 642 experimental or observational screened studies, 53 were included, focusing on stretching exercises, shock waves, electrical stimulation, dry needling, TENS, vibration therapy, ultrasounds, cryotherapy, and active physiotherapy. Patients with EFD benefited from specific physical therapy treatments. These usually resulted in Modified Ashworth Scale reduction, typically by 1 point, and an increase in ROM. Interventions consisting of shock waves, dry needling, and electrostimulation showed the best results in reducing EFD. Heterogeneous dosage and delivery mode generally limited conclusions.ConclusionsThis scoping review summarized available primary literature based on PT treatments for the correction of EFD. By highlighting the remaining gaps in knowledge, it provides a reference for future studies on this pathology. Further investigations are necessary to pinpoint the best dosage and delivery methods. Future studies should investigate whether early rehabilitation programs started during the acute phase might help prevent or limit the development of secondary deformities.

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“…A recent systematic review and randomized controlled study revealed that WBVe was efficient in improvement of lower limb strength, ankle spasticity, balance, postural control, and mobility in stroke patients [ 6 7 ]. Other reports also suggested that WBVe induced changes in the corticospinal excitability and cortical activity in stroke patients [ 8 9 ]. Evidence from neuroimaging studies revealed the existence of cortical involvement in standing, walking, and balancing by using functional neuroimaging modalities such as functional magnetic resonance imaging, single-photon emission computed tomography, and positron emission tomography which led to the identification of supraspinal locomotor networks [ 10 11 12 ].…”

Section: Introductionmentioning

confidence: 99%

Modulating Effects of Whole-body Vibration on Cortical Activity and Gait Function in Chronic Stroke Patients

Lee

Kim

et al. 2020

Brain Neurorehabil

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Acute changes in cortical activation during active ankle movement after whole-body vibration for spasticity in hemiplegic legs of stroke patients: a functional near-infrared spectroscopy study

Cited by 16 publications

References 36 publications

Electroencephalography Mu Rhythm Changes and Decreased Spasticity After Repetitive Peripheral Magnetic Stimulation in Patients Following Stroke

Electroencephalography Mu Rhythm Changes and Decreased Spasticity After Repetitive Peripheral Magnetic Stimulation in Patients Following Stroke

Physical therapy interventions for the correction of equinus foot deformity in post-stroke patients with triceps spasticity: A scoping review

Modulating Effects of Whole-body Vibration on Cortical Activity and Gait Function in Chronic Stroke Patients

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