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Parkinson's FOG

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https://www.readbyqxmd.com/read/28290191/effects-of-progressive-resistance-exercise-in-akinetic-rigid-parkinson-s-disease-patients-a-randomized-controlled-trial
#1
Luis Santos, Javier Fernandez-Rio, Kristian Winge, Beatriz Barragán-Pérez, Lucía González-Gómez, Vicente Rodríguez-Pérez, Vicente González-Díez, Alejandro Lucía, Eliseo Iglesias-Soler, Xurxo Dopico-Calvo, Miguel Fernández-Del-Olmo, Miguel Del-Valle, Miguel Blanco-Traba, Oscar E Suman, Javier Rodríguez-Gómez
BACKGROUND: Progressive resistance exercise (PRE) can have a positive effect in individuals with Parkinson's disease (PD). However, the effect of PRE may vary with the clinical subtype of PD. To date, no study has assessed the effects of PRE in the different subtypes of PD. AIM: The aim of the present study was to assess the effects of PRE in PD patients with akinesia and rigidity (AR-subtype). DESIGN: A randomized controlled trial was conducted...
March 13, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28279773/deep-brain-stimulation-of-pedunculopontine-nucleus-for-postural-instability-and-gait-disorder-after-parkinson-s-disease-a-meta-analysis-of-individual-patient-data
#2
Jia-Wei Wang, Yu-Qing Zhang, Xiao-Hua Zhang, Yun-Peng Wang, Ji-Ping Li, Yong-Jie Li
BACKGROUND: Postural instability and gait disorder(PIGD) in Parkinson's disease (PD) have been a great challenge in the clinical practice since PIGD is closely linked to major morbidity and mortality in PD. Pedunculopontine nucleus (PPN) has been considered as a potential promising target for deep brain stimulation (DBS) in the treatment of PIGD. Thus, this meta-analysis of individual patient data (IPD) was performed to assess the effects of PPN DBS on PIGD in PD patients and explore the factors predicting good outcome...
March 6, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28269643/identifying-montages-that-best-detect-the-electroencephalogram-power-spectrum-alteration-during-freezing-of-gait-in-parkinson-s-disease-patients
#3
Quynh Tran Ly, A M Ardi Handojoseno, Moran Gilat, Nghia Nguyen, Rifai Chai, Yvonne Tran, Simon J G Lewis, Hung T Nguyen
Our research team has previously used four Electroencephalography (EEG) leads to successfully detect and predict Freezing of Gait (FOG) in Parkinson's disease (PD). However, it remained to be determined whether these four sensor locations that were arbitrarily chosen based on their role in motor control are indeed the most optimal for FOG detection. The aim of this study was therefore to determine the most optimal location and combination of sensors to detect FOG amongst a 32-channel EEG montage using our EEG classification system...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268463/non-invasive-detection-of-the-freezing-of-gait-in-parkinson-s-disease-using-spectral-and-wavelet-features
#4
Kimia Nazarzadeh, Sridhar P Arjunan, Dinesh K Kumar, Debi Prasad Das
In this study, we have analyzed the accelerometer data recorded during gait analysis of Parkinson disease patients for detecting freezing of gait (FOG) episodes. The proposed method filters the recordings for noise reduction of the leg movement changes and computes the wavelet coefficients to detect FOG events. Publicly available FOG database was used and the technique was evaluated using receiver operating characteristic (ROC) analysis. Results show a higher performance of the wavelet feature in discrimination of the FOG events from the background activity when compared with the existing technique...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28263252/flexed-truncal-posture-in-parkinson-disease-measurement-reliability-and-relationship-with-physical-and-cognitive-impairments-mobility-and-balance
#5
Aimi L Forsyth, Serene S Paul, Natalie E Allen, Catherine Sherrington, Victor S C Fung, Colleen G Canning
BACKGROUND AND PURPOSE: Flexed truncal posture is common in people with Parkinson disease (PD); however, little is known about the mechanisms responsible or its effect on physical performance. This cross-sectional study aimed to establish the reliability of a truncal posture measurement and explore relationships between PD impairments and truncal posture, as well as truncal posture and balance and mobility. METHODS: A total of 82 people with PD participated. Truncal posture was measured in standing as the distance between vertebra C7 and a wall...
April 2017: Journal of Neurologic Physical Therapy: JNPT
https://www.readbyqxmd.com/read/28263251/influence-of-cueing-and-an-attentional-strategy-on-freezing-of-gait-in-parkinson-disease-during-turning
#6
Joke Spildooren, Sarah Vercruysse, Elke Heremans, Brook Galna, Geert Verheyden, Griet Vervoort, Alice Nieuwboer
BACKGROUND AND PURPOSE: Individuals with Parkinson disease exhibit decreased axial head-pelvis rotation. Consequently, they turn more en bloc than healthy controls, which may contribute to freezing during turning. We wanted to understand the influence of auditory cueing and an attentional strategy on turning and how this related to freezing of gait (FOG). METHODS: Fifteen participants with Parkinson disease and FOG were asked to turn 180° during baseline condition, unilateral cueing, and an attentional strategy prompting to start the turn with head rotation first...
April 2017: Journal of Neurologic Physical Therapy: JNPT
https://www.readbyqxmd.com/read/28251464/serum-uric-acid-levels-and-freezing-of-gait-in-parkinson-s-disease
#7
Ruwei Ou, Bei Cao, Qianqian Wei, Yanbing Hou, Yaqian Xu, Wei Song, Bi Zhao, Huifang Shang
Uric acid (UA) is a natural antioxidant and iron scavenger in the human body, which has been hypothesized to exert an anti-oxidative effect in Parkinson's disease (PD). This study aimed to investigate the relationship between serum UA levels and freezing of gait (FOG) in PD. A total of 321 Chinese PD patients with fasting serum UA evaluated were included in the cross-sectional study. Demographics, clinical features, and therapeutic regimen were collected. The Unified PD Rating Scale (UPDRS) III and Hoehn and Yahr (H and Y) stage were used to evaluate the severity of disease, and the Frontal Assessment Battery (FAB) and Montreal Cognitive Assessment (MoCA) scales were used to assess the cognitive function...
March 1, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28251357/freezing-of-gait-and-fall-detection-in-parkinson-s-disease-using-wearable-sensors-a-systematic-review
#8
REVIEW
Ana Lígia Silva de Lima, Luc J W Evers, Tim Hahn, Lauren Bataille, Jamie L Hamilton, Max A Little, Yasuyuki Okuma, Bastiaan R Bloem, Marjan J Faber
Despite the large number of studies that have investigated the use of wearable sensors to detect gait disturbances such as Freezing of gait (FOG) and falls, there is little consensus regarding appropriate methodologies for how to optimally apply such devices. Here, an overview of the use of wearable systems to assess FOG and falls in Parkinson's disease (PD) and validation performance is presented. A systematic search in the PubMed and Web of Science databases was performed using a group of concept key words...
March 1, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28227901/identifying-montages-that-best-detect-the-electroencephalogram-power-spectrum-alteration-during-freezing-of-gait-in-parkinson-s-disease-patients
#9
Quynh Tran Ly, A M Ardi Handojoseno, Moran Gilat, Nghia Nguyen, Rifai Chai, Yvonne Tran, Simon J G Lewis, Hung T Nguyen, Quynh Tran Ly, A M Ardi Handojoseno, Moran Gilat, Nghia Nguyen, Rifai Chai, Yvonne Tran, Simon J G Lewis, Hung T Nguyen, Nghia Nguyen, A M Ardi Handojoseno, Moran Gilat, Hung T Nguyen, Yvonne Tran, Simon J G Lewis, Quynh Tran Ly, Rifai Chai
Our research team has previously used four Electroencephalography (EEG) leads to successfully detect and predict Freezing of Gait (FOG) in Parkinson's disease (PD). However, it remained to be determined whether these four sensor locations that were arbitrarily chosen based on their role in motor control are indeed the most optimal for FOG detection. The aim of this study was therefore to determine the most optimal location and combination of sensors to detect FOG amongst a 32-channel EEG montage using our EEG classification system...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226636/non-invasive-detection-of-the-freezing-of-gait-in-parkinson-s-disease-using-spectral-and-wavelet-features
#10
Kimia Nazarzadeh, Sridhar P Arjunan, Dinesh K Kumar, Debi Prasad Das, Kimia Nazarzadeh, Sridhar P Arjunan, Dinesh K Kumar, Debi Prasad Das, Debi Prasad Das, Dinesh K Kumar, Kimia Nazarzadeh, Sridhar P Arjunan
In this study, we have analyzed the accelerometer data recorded during gait analysis of Parkinson disease patients for detecting freezing of gait (FOG) episodes. The proposed method filters the recordings for noise reduction of the leg movement changes and computes the wavelet coefficients to detect FOG events. Publicly available FOG database was used and the technique was evaluated using receiver operating characteristic (ROC) analysis. Results show a higher performance of the wavelet feature in discrimination of the FOG events from the background activity when compared with the existing technique...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28199357/home-detection-of-freezing-of-gait-using-support-vector-machines-through-a-single-waist-worn-triaxial-accelerometer
#11
Daniel Rodríguez-Martín, Albert Samà, Carlos Pérez-López, Andreu Català, Joan M Moreno Arostegui, Joan Cabestany, Àngels Bayés, Sheila Alcaine, Berta Mestre, Anna Prats, M Cruz Crespo, Timothy J Counihan, Patrick Browne, Leo R Quinlan, Gearóid ÓLaighin, Dean Sweeney, Hadas Lewy, Joseph Azuri, Gabriel Vainstein, Roberta Annicchiarico, Alberto Costa, Alejandro Rodríguez-Molinero
Among Parkinson's disease (PD) symptoms, freezing of gait (FoG) is one of the most debilitating. To assess FoG, current clinical practice mostly employs repeated evaluations over weeks and months based on questionnaires, which may not accurately map the severity of this symptom. The use of a non-invasive system to monitor the activities of daily living (ADL) and the PD symptoms experienced by patients throughout the day could provide a more accurate and objective evaluation of FoG in order to better understand the evolution of the disease and allow for a more informed decision-making process in making adjustments to the patient's treatment plan...
2017: PloS One
https://www.readbyqxmd.com/read/28193533/effect-of-dual-mode-and-dual-site-non-invasive-brain-stimulation-on-freezing-of-gait-in-patients-with-parkinson-s-disease
#12
Won Hyuk Chang, Min Soo Kim, Eunhee Park, Jin Whan Cho, Jinyoung Youn, Yun Kwan Kim, Yun-Hee Kim
OBJECTIVE: To investigate the effect of dual-mode non-invasive brain stimulation (NIBS) with high-frequency repetitive transcranial magnetic stimulation (rTMS) over the primary motor cortex of the lower leg and anodal transcranial direct current stimulation (tDCS) over the left dorsolateral prefrontal cortex compared with rTMS alone in patients with Parkinson's disease (PD) with freezing of gait (FOG). DESIGN: Randomized, double-blind, controlled study. SETTING: Outpatient rehabilitation clinics...
February 10, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28186875/freezing-of-gait-detection-in-parkinson-s-disease-a-subject-independent-detector-using-anomaly-scores
#13
Thuy T Pham, Steven T Moore, Simon J G Lewis, Diep N Nguyen, Eryk Dutkiewicz, Andrew J Fuglevand, Alistair L McEwan, Philip H W Leong
Freezing of gait (FoG) is common in Parkinsonian gait and strongly relates to falls. Current clinical FoG assessments are patients' self-report diaries and experts' manual video analysis. Both are subjective and yield moderate reliability. Existing detection algorithms have been predominantly designed in subject-dependent settings. In this work, we aim to develop an automated FoG detector for subject-independent. After extracting highly relevant features, we apply anomaly detection techniques to detect FoG events...
February 7, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28167093/effect-of-cue-timing-and-modality-on-gait-initiation-in-parkinson-s-disease-with-freezing-of-gait
#14
Chiahao Lu, Sommer L Amundsen Huffmaster, Paul J Tuite, Jacqueline M Vachon, Colum D MacKinnon
OBJECTIVE: To examine the effects of cue timing, across three sensory modalities, on anticipatory postural adjustments (APAs) during gait initiation in people with Parkinson's disease (PD). DESIGN: Observational study. SETTING: Biomechanics research laboratory. PARTICIPANTS: Twenty-five individuals with idiopathic PD (11 with freezing of gait, FOG) were studied in the off-levodopa state (12-hour overnight withdrawal)...
February 3, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28160752/motor-preparation-rather-than-decision-making-differentiates-parkinson-s-disease-patients-with-and-without-freezing-of-gait
#15
John S Butler, Conor Fearon, Isabelle Killane, Saskia M Waechter, Richard B Reilly, Timothy Lynch
OBJECTIVE: Freezing of gait (FOG) is a brief, episodic phenomenon affecting over half of people with Parkinson's disease (PD) and leads to significant morbidity. The pathophysiology of FOG remains poorly understood but is associated with deficits in cognitive function and motor preparation. METHOD: We studied 20 people with PD (10 with FOG, 10 without FOG) and performed a timed response target detection task while electroencephalographic data were acquired. We analysed the data to detect and examine cortical markers of cognitive decision making (P3b or centroparietal positivity, CPP) and motor readiness potential...
December 28, 2016: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28151878/a-training-approach-to-improve-stepping-automaticity-while-dual-tasking-in-parkinson-s-disease-a-prospective-pilot-study
#16
Taylor Chomiak, Alexander Watts, Nicole Meyer, Fernando V Pereira, Bin Hu
BACKGROUND: Deficits in motor movement automaticity in Parkinson's disease (PD), especially during multitasking, are early and consistent hallmarks of cognitive function decline, which increases fall risk and reduces quality of life. This study aimed to test the feasibility and potential efficacy of a wearable sensor-enabled technological platform designed for an in-home music-contingent stepping-in-place (SIP) training program to improve step automaticity during dual-tasking (DT). METHODS: This was a 4-week prospective intervention pilot study...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28113199/smart-gait-aid-glasses-for-parkinson-s-disease-patients
#17
DaeHan Ahn, Hyerim Chung, Ho-Won Lee, Kyunghun Kang, Pan-Woo Ko, Nam Sung Kim, Taejoon Park
Parkinson's disease (PD) is a chronic progressive disease caused by loss of dopaminergic neurons in the substantia nigra, degenerating the nervous system of a patient over time. Freezing of gait (FOG), which is a form of akinesia, is a symptom of PD. Meanwhile, recent studies show that the gait of PD patients experiencing FOG can be significantly improved by providing the regular visual or auditory patterns for the patients. In this paper, we propose a gait-aid system built upon smart glasses. Our system continuously monitors the gait and so on of a PD patient to detect FOG, and upon detection of FOG it projects visual patterns on the glasses as if the patterns were actually on the floor...
January 19, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28106569/cerebellar-volume-and-executive-function-in-parkinson-disease-with-and-without-freezing-of-gait
#18
Peter S Myers, Marie E McNeely, Jonathan M Koller, Gammon M Earhart, Meghan C Campbell
BACKGROUND: Freezing of gait (FOG) affects approximately 50% of people with Parkinson Disease (PD), impacting quality of life and placing financial and emotional strain on the individual and caregivers. People with PD and FOG have similar deficits in motor adaptation and cognition as individuals with cerebellar lesions, indicating the cerebellum may play a role in FOG. OBJECTIVE: To examine potential differences in cerebellar volumes and their relationships with cognition between PD with (FOG+) and without FOG (FOG-)...
2017: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/27956066/the-clinical-significance-of-freezing-while-turning-in-parkinson-s-disease
#19
Martina Mancini, Katrijn Smulders, Rajal G Cohen, Fay B Horak, Nir Giladi, John G Nutt
Freezing of gait (FoG) in people with Parkinson's disease (PD) is an environmentally sensitive, intermittent problem that occurs most often during turning. FoG is difficult for clinicians to evaluate and treat because it can be difficult to elicit during a clinical visit. Here, we aimed to develop a clinically valid objective measure of freezing severity during a 2-min 360-degree turning-in-place. Twenty-eight subjects with PD (16 freezers, FoG+, and 12 nonfreezers, FoG-) in the "off" state and 14 healthy control subjects were tested...
February 20, 2017: Neuroscience
https://www.readbyqxmd.com/read/27766724/effect-of-high-frequency-subthalamic-neurostimulation-on-gait-and-freezing-of-gait-in-parkinson-s-disease-a-systematic-review-and-meta-analysis
#20
REVIEW
C Schlenstedt, A Shalash, M Muthuraman, D Falk, K Witt, G Deuschl
The aim of this meta-analysis was to summarize the short- and long-term effects of bilateral deep brain stimulation of the subthalamic nucleus (STN-DBS) on gait and freezing of gait (FOG) in Parkinson's disease and to detect predictors of post-stimulation outcome. A comprehensive review of the literature was conducted up to October 2015 using Medline Ovid databases for studies analyzing the effect of bilateral STN-DBS on FOG and/or gait. Sixteen studies with available data for the gait item (no. 29) of the Unified Parkinson's Disease Rating Scale (UPDRS) and six studies with the FOG item (no...
January 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
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