scholarly journals Validation of the German Version of the New Freezing of Gait Questionnaire for People with Parkinson‘s Disease

2021 ◽  
Vol 2021 ◽  
pp. 1-5
Author(s):  
Jana Seuthe ◽  
Kristina Kuball ◽  
Ann-Kristin Hoffmann ◽  
Burkhard Weisser ◽  
Günther Deuschl ◽  
...  
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Internal Consistency ◽  
Fear Of Falling ◽  
Freezing Of Gait ◽  
Cognitive State ◽  
German Version ◽  
Divergent Validity ◽  
Timed Up And Go ◽  
Convergent And Divergent Validity

Freezing of gait (FOG) in Parkinson’s disease (PD) is a highly disabling symptom which impacts quality of life. The New FOG Questionnaire (NFOG-Q) is the most commonly used tool worldwide to characterize FOG severity in PD. This study aims to provide a German translation of the NFOG-Q and to assess its validity in people with PD. The questionnaire was translated using forward-backward translation. Validity was tested in 57 PD patients with FOG via Cronbach’s alpha for internal consistency and Spearman correlations with several clinical measures to quantify disease severity, mobility, fall risk, and cognitive state for convergent and divergent validity. The German version of the NFOG-Q shows good internal consistency (Cα = 0.84). Furthermore, the NFOG-Q score was significantly correlated with the MDS-UPDRS III, H&Y stage, Timed Up and Go test, and the subjective fear of falling (FES-I). The lack of correlation with cognition (MoCA) points towards good divergent validity. This study provides a German version of the NFOG-Q which proved to be valid for the assessment of FOG severity in individuals with PD.

scholarly journals German Translation and Validation of the “Freezing of Gait Questionnaire” in Patients with Parkinson’s Disease

2015 ◽  
Vol 2015 ◽  
pp. 1-5 ◽  
Author(s):  
Anina Vogler ◽  
Jorina Janssens ◽  
Thomas Nyffeler ◽  
Stephan Bohlhalter ◽  
Tim Vanbellingen
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Convergent Validity ◽  
Rating Scale ◽  
Freezing Of Gait ◽  
Divergent Validity ◽  
Timed Up And Go ◽  
Disease Rating ◽  
Disease Questionnaire ◽  
Movement Disorder Society

Background. Freezing of Gait (FOG) is a disabling parkinsonian symptom. The Freezing of Gait Questionnaire (FOG-Q) reliably detects FOG in patients with Parkinson’s disease (PD).Objectives. The aim of this study was to develop a German translated version of the FOG-Q and to assess its validity.Methods. The translation was accomplished using forward-backward-translation. The construct validity of the FOG-Q was examined in twenty-seven German native speaking PD patients. Convergent validity was assessed by correlating the FOG-Q with the Movement Disorder Society-Unified Parkinson’s Disease Rating Scale (MDS-UPDRS) II-III, the Parkinson Disease Questionnaire 39 (PDQ-39), and the Timed Up and Go Test (TUG). Divergent validity was assessed by correlating the FOG-Q with the MDS-UPDRS I. The internal consistency was measured using Cronbach’s alpha (Cα).Results. A good internal structure of the FOG-Q was found (Cα=0.83). Significant moderate correlations between the FOG-Q and the MDS-UPDRS item 2.13 (freezing) (rs=0.568,P=0.002) and between the FOG-Q and the PDQ-39 subscale mobility (rs=0.516,P=0.006) were found. The lack of correlation with the MDS-UPDRS I demonstrated good divergent validity.Conclusion. The German FOG-Q is a valid tool to assess FOG in German native speaking PD patients.

scholarly journals Temporal Characteristics of High-Frequency Lower-Limb Oscillation during Freezing of Gait in Parkinson’s Disease

2014 ◽  
Vol 2014 ◽  
pp. 1-7 ◽  
Author(s):  
Don A. Yungher ◽  
Tiffany R. Morris ◽  
Valentina Dilda ◽  
James M. Shine ◽  
Sharon L. Naismith ◽  
...  
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
High Frequency ◽  
Freezing Of Gait ◽  
Body Motion ◽  
High Frequency Oscillation ◽  
Frequency Oscillation ◽  
Timed Up And Go ◽  
Clinical Onset ◽  
Acceleration Data

A cardinal feature of freezing of gait (FOG) is high frequency (3–8 Hz) oscillation of the legs, and this study aimed to quantify the temporal pattern of lower-body motion prior to and during FOG. Acceleration data was obtained from sensors attached to the back, thighs, shanks, and feet in 14 Parkinson’s disease patients performing timed-up-and-go tasks, and clinical assessment of FOG was performed by two experienced raters from video. A total of 23 isolated FOG events, defined as occurring at least 5 s after gait initiation and with no preceding FOG, were identified from the clinical ratings. The corresponding accelerometer records were analyzed within a 4 s window centered at the clinical onset of freezing. FOG-related high-frequency oscillation (an increase in power in the 3–8 Hz band >3 SD from baseline) followed a distal to proximal onset pattern, appearing at the feet, shanks, thighs, and then back over a period of 250 ms. Peak power tended to decrease as the focus of oscillation moved from feet to back. There was a consistent delay (mean 872 ms) between the onset of high frequency oscillation at the feet and clinical onset of FOG. We infer that FOG is characterized by high frequency oscillation at the feet, which progresses proximally and is mechanically damped at the torso.

The association between freezing of gait, fear of falling and anxiety in Parkinson’s disease: a longitudinal analysis

2020 ◽  
Author(s):  
Ires Ghielen ◽  
Perrie Koene ◽  
Jos WR Twisk ◽  
Gert Kwakkel ◽  
Odile A van den Heuvel ◽  
...  
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Multidisciplinary Approach ◽  
Fear Of Falling ◽  
Freezing Of Gait ◽  
Confounding Factors ◽  
Nonmotor Symptoms ◽  
Independent Variables ◽  
Complex Interactions ◽  
Disease Characteristics

Aim: We studied the longitudinal associations between freezing of gait (FoG), fear of falling (FoF) and anxiety, and how these associations are influenced by confounding factors. Materials & methods: We analyzed longitudinal motor and nonmotor measurements from 153 Parkinson’s disease patients. Possible confounding factors were divided into three subgroups: demographics, disease characteristics, medication use and adverse effects of medication. Results: All crude associations between FoG, FoF and anxiety were significant and remained so after adjusting for confounders. When analyzing FoF and anxiety together as independent variables, the association between FoG and FoF remained, and the association between FoG and anxiety diminished. Conclusion: We confirm the complex interactions between motor and nonmotor symptoms in Parkinson’s disease, and plead for a multidisciplinary approach.

scholarly journals A New Postural Stability-Indicator to Predict the Level of Fear of Falling In Parkinson’s Disease Patients

2020 ◽  
Author(s):  
Ehsan Pourghayoomi ◽  
Saeed Behzadipour ◽  
Mehdi Ramezani ◽  
Mohammad Taghi Joghataei ◽  
Gholamali shahidi
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Postural Stability ◽  
Human Error ◽  
Fear Of Falling ◽  
Center Of Pressure ◽  
Threshold Level ◽  
Berg Balance Scale ◽  
Self Report ◽  
Timed Up And Go

Abstract Background Fear of falling (FoF) is defined as a lasting concern about falling that causes a person to limit or even stop the daily activities that he/she is capable of. 70% of Parkinson’s disease (PD) patients report activity limitations due to FoF. Timely identification of FoF is critical to prevent its additional adverse effects on the quality of life. Self-report questionnaires are commonly used to evaluate the FoF, which may be prone to human error. Objectives In this study, we attempted to identify a new postural stability-indicator to objectively predict the intensity of FoF and its related behavior(s) in PD patients. Methods Thirty-eight PD patients participated in the study (mean age, 61.2 years), among whom 10 (26.32%) were identified with low FoF and the rest (73.68%) with high FoF, based on Falls Efficacy Scale-International (FES-I). We used a limit of stability task calibrated to each individual and investigated the postural strategies to predict the intensity of FoF. New parameters (FTRi’s; functional time ratio) were extracted based on the center of pressure presence pattern in different rectangular areas (i = 1, 2, and 3). The task was performed on two heights to investigate FoF related behavior(s). Results FTR 1/2 (the ratio between FTR1 and FTR2) was strongly correlated with the FES-I (r = − 0.63, P < 0.001), Pull Test (r = − 0.65, P < 0.001), Timed Up and Go test (r = − 0.57, P < 0.001), and Berg Balance Scale (r = 0.62, P < 0.001). The model of FTR1/2 was identified as a best-fitting model to predicting the intensity of FoF in PD participants (sensitivity = 96.43%, specificity = 80%), using a threshold level of ≤ 2.83. Conclusions Using the proposed assessment technique we can accurately predict the intensity of FoF in PD patients. Also, The FTR1/2 index can be potentially considered as a mechanical biomarker to sense the FoF-related postural instability in PD patients.

scholarly journals Transcranial direct current stimulation (tDCS) in addition to walking training on walking, mobility, and reduction of falls in Parkinson’s disease: study protocol for a randomized clinical trial

Trials ◽  
2021 ◽  
Vol 22 (1) ◽  
Author(s):  
Lucas Rodrigues Nascimento ◽  
Ester Miyuki Nakamura-Palacios ◽  
Augusto Boening ◽  
Daniel Lyrio Cabral ◽  
Alessandra Swarowsky ◽  
...  
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Direct Current ◽  
Transcranial Direct Current Stimulation ◽  
Fear Of Falling ◽  
Cortical Excitability ◽  
Freezing Of Gait ◽  
Step Length ◽  
Control Group ◽  
Direct Current Stimulation

Abstract Background Transcranial direct current stimulation (tDCS) has the potential to modulate cortical excitability and enhance the effects of walking training in people with Parkinson’s disease. This study will examine the efficacy of the addition of tDCS to a task-specific walking training to improve walking and mobility and to reduce falls in people with Parkinson’s disease. Methods This is a two-arm, prospectively registered, randomized trial with concealed allocation, blinded assessors, participants and therapists, and intention-to-treat analysis. Twenty-four individuals with Parkinson’s disease, categorized as slow or intermediate walkers (walking speeds ≤ 1.0 m/s), will be recruited. The experimental group will undertake a 30-min walking training associated with tDCS, for 4 weeks. The control group will undertake the same walking training, but with sham-tDCS. The primary outcome will be comfortable walking speed. Secondary outcomes will include walking step length, walking cadence, walking confidence, mobility, freezing of gait, fear of falling, and falls. Outcomes will be collected by a researcher blinded to group allocation at baseline (week 0), after intervention (week 4), and 1 month beyond intervention (week 8). Discussion tDCS associated with walking training may help improve walking of slow and intermediate walkers with Parkinson’s disease. If walking is enhanced, the benefits may be accompanied by better mobility and reduced fear of falling, and individuals may experience greater free-living physical activity at home and in the community. Trial registration Brazilian Registry of Clinical Trials (ReBEC) RBR-6bvnx6. Registered on September 23, 2019

The efficacy of cognitive-cycling dual-task training in patients with early-stage Parkinson’s disease: A pilot study

2020 ◽  
Vol 47 (4) ◽  
pp. 415-426
Author(s):  
Hsiu-Chen Chang ◽  
Chiung-Chu Chen ◽  
Yi-Hsin Weng ◽  
Wei-Da Chiou ◽  
Ya-Ju Chang ◽  
...  
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Cognitive Performance ◽  
Dual Task ◽  
Rating Scale ◽  
Early Stage ◽  
Freezing Of Gait ◽  
Timed Up And Go ◽  
Gait Performance ◽  
The Mean

BACKGROUND: Recent studies have suggested that cognitive-motor dual-task (DT) training might improve gait performance, locomotion automaticity, balance, and cognition in patients with Parkinson’s disease (PD). OBJECTIVE: We aimed to investigate the efficacy of cognitive-cycling DT training in patients with early-stage PD. METHODS: Participants were scheduled to perform cognitive tasks simultaneously with the cycling training twice per week for eight weeks for a total of 16 sessions during their on-states. Clinical assessments were conducted using the unified Parkinson’s disease rating scale (UPDRS), modified Hoehn and Yahr stage, Timed Up and Go (TUG) test, gait and cognitive performances under dual-task paradigm, the new freezing of gait questionnaire, Schwab and England Activities of Daily Living scale, 39-item Parkinson’s disease questionnaire, and cognitive performance. RESULTS: Thirteen eligible patients were enrolled in the study. The mean age was 60.64±5.32 years, and the mean disease duration was 7.02±3.23 years. Twelve PD patients completed 16 serial cognitive-cycling sessions for two months. After 16 sessions of training (T2), the UPDRS III scores improved significantly in both the off- and on-states, and TUG were significantly less than those at pretraining (T0). During both the single-task and the DT situations, gait performance and spatial memory cognitive performance significantly improved from T0 to T2. CONCLUSION: The present study demonstrated that cognitive-cycling DT training improves the motor functions, gait and cognitive performances of PD patients.

scholarly journals Extended “Timed Up and Go” assessment as a clinical indicator of cognitive state in Parkinson's disease

2017 ◽  
Vol 375 ◽  
pp. 86-91 ◽  
Author(s):  
Tess Evans ◽  
Alexa Jefferson ◽  
Michelle Byrnes ◽  
Sue Walters ◽  
Soumya Ghosh ◽  
...  
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Cognitive State ◽  
Timed Up And Go ◽  
Clinical Indicator

scholarly journals A New Postural Stability-Indicator to Predict the Level of Fear of Falling in Parkinson’s Disease Patients

2020 ◽  
Author(s):  
Ehsan Pourghayoomi ◽  
Saeed Behzadipour ◽  
Mehdi Ramezani ◽  
Mohammad Taghi Joghataei ◽  
Gholamali Shahidi
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Postural Stability ◽  
Human Error ◽  
Fear Of Falling ◽  
Center Of Pressure ◽  
Threshold Level ◽  
Berg Balance Scale ◽  
Self Report ◽  
Timed Up And Go

Abstract Background: Fear of falling (FoF) is defined as a lasting concern about falling that causes a person to limit or even stop the daily activities that he/she is capable of. Seventy percent of Parkinson’s disease (PD) patients report activity limitations due to FoF. Timely identification of FoF is critical to prevent its additional adverse effects on the quality of life. Self-report questionnaires are commonly used to evaluate the FoF, which may be prone to human error.Objectives: In this study, we attempted to identify a new postural stability-indicator to objectively predict the intensity of FoF and its related behavior(s) in PD patients. Methods: Thirty-eight PD patients participated in the study (mean age, 61.2 years), among whom 10 (26.32%) were identified with low FoF and the rest (73.68%) with high FoF, based on Falls Efficacy Scale-International (FES-I). We used a limit of stability task calibrated to each individual and investigated the postural strategies to predict the intensity of FoF. New parameters (FTRi’s; functional time ratio) were extracted based on the center of pressure presence pattern in different rectangular areas (i = 1, 2, and 3). The task was performed on two heights to investigate FoF related behavior(s). Results: FTR1/2 (the ratio between FTR1 and FTR2) was strongly correlated with the FES-I (r = −0.63, P < 0.001), Pull Test (r = −0.65, P < 0.001), Timed Up and Go test (r = −0.57, P < 0.001), and Berg Balance Scale (r = 0.62, P < 0.001). The model of FTR1/2 was identified as a best-fitting model to predicting the intensity of FoF in PD participants (sensitivity = 96.43%, specificity = 80%), using a threshold level of ≤ 2.83. Conclusions: Using the proposed assessment technique we can accurately predict the intensity of FoF in PD patients. Also, The FTR1/2 index can be potentially considered as a mechanical biomarker to sense the FoF-related postural instability in PD patients.

scholarly journals A New Postural Stability-Indicator to Predict the Level of Fear of Falling in Parkinson’s Disease Patients

2020 ◽  
Author(s):  
Ehsan Pourghayoomi ◽  
Saeed Behzadipour ◽  
Mehdi Ramezani ◽  
Mohammad Taghi Joghataei ◽  
Gholamali Shahidi
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Postural Stability ◽  
Human Error ◽  
Fear Of Falling ◽  
Center Of Pressure ◽  
Threshold Level ◽  
Berg Balance Scale ◽  
Self Report ◽  
Timed Up And Go

Abstract Background: Fear of falling (FoF) is defined as a lasting concern about falling that causes a person to limit or even stop the daily activities that he/she is capable of. Seventy percent of Parkinson’s disease (PD) patients report activity limitations due to FoF. Timely identification of FoF is critical to prevent its additional adverse effects on the quality of life. Self-report questionnaires are commonly used to evaluate the FoF, which may be prone to human error.Objectives: In this study, we attempted to identify a new postural stability-indicator to objectively predict the intensity of FoF and its related behavior(s) in PD patients. Methods: Thirty-eight PD patients participated in the study (mean age, 61.2 years), among whom 10 (26.32%) were identified with low FoF and the rest (73.68%) with high FoF, based on Falls Efficacy Scale-International (FES-I). We used a limit of stability task calibrated to each individual and investigated the postural strategies to predict the intensity of FoF. New parameters (FTRi’s; functional time ratio) were extracted based on the center of pressure presence pattern in different rectangular areas (i = 1, 2, and 3). The task was performed on two heights to investigate FoF related behavior(s). Results: FTR1/2 (the ratio between FTR1 and FTR2) was strongly correlated with the FES-I (r = −0.63, P < 0.001), Pull Test (r = −0.65, p < 0.001), Timed Up and Go test (r = −0.57, p < 0.001), and Berg Balance Scale (r = 0.62, p < 0.001). The model of FTR1/2 was identified as a best-fitting model to predicting the intensity of FoF in PD participants (sensitivity = 96.43%, specificity = 80%), using a threshold level of ≤ 2.83. Conclusions: Using the proposed assessment technique we can accurately predict the intensity of FoF in PD patients. Also, The FTR1/2 index can be potentially considered as a mechanical biomarker to sense the FoF-related postural instability in PD patients.

scholarly journals Recurrent Falls in Parkinson’s Disease: A Systematic Review

2013 ◽  
Vol 2013 ◽  
pp. 1-16 ◽  
Author(s):  
Natalie E. Allen ◽  
Allison K. Schwarzel ◽  
Colleen G. Canning
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Fear Of Falling ◽  
Freezing Of Gait ◽  
Motor Impairment ◽  
Journal Articles ◽  
Factors Associated ◽  
Recurrent Falls ◽  
Wide Range ◽  
Reduced Physical Activity

Most people with Parkinson’s disease (PD) fall and many experience recurrent falls. The aim of this review was to examine the scope of recurrent falls and to identify factors associated with recurrent fallers. A database search for journal articles which reported prospectively collected information concerning recurrent falls in people with PD identified 22 studies. In these studies, 60.5% (range 35 to 90%) of participants reported at least one fall, with 39% (range 18 to 65%) reporting recurrent falls. Recurrent fallers reported an average of 4.7 to 67.6 falls per person per year (overall average 20.8 falls). Factors associated with recurrent falls include: a positive fall history, increased disease severity and duration, increased motor impairment, treatment with dopamine agonists, increased levodopa dosage, cognitive impairment, fear of falling, freezing of gait, impaired mobility and reduced physical activity. The wide range in the frequency of recurrent falls experienced by people with PD suggests that it would be beneficial to classify recurrent fallers into sub-groups based on fall frequency. Given that there are several factors particularly associated with recurrent falls, fall management and prevention strategies specifically targeting recurrent fallers require urgent evaluation in order to inform clinical practice.

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