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Effect of visuospatial neglect on spatial navigation and heading after stroke / Gayatri Aravind in Annals of physical and rehabilitation medicine, Vol. 61, n°4 (Juillet 2018)
[article]
Titre : Effect of visuospatial neglect on spatial navigation and heading after stroke Type de document : texte imprimé Auteurs : Gayatri Aravind ; Anouk Lamontagne Année de publication : 2018 Article en page(s) : p. 197-206 Note générale : Doi : 10.1016/j.rehab.2017.05.002 Langues : Anglais (eng) Mots-clés : Visual neglect Cerebrovascular accident Steering Obstacle circumvention Virtual Reality Résumé : Background
Visuospatial neglect (VSN) impairs the control of locomotor heading in post-stroke individuals, which may affect their ability to safely avoid moving objects while walking.
Objective
We aimed to compare VSN+ and VSN− stroke individuals in terms of changes in heading and head orientation in space while avoiding obstacles approaching from different directions and reorienting toward the final target.
Methods
Stroke participants with VSN (VSN+) and without VSN (VSN−) walked in a virtual environment avoiding obstacles that approached contralesionally, head-on or ipsilesionally. Measures of obstacle avoidance (onset-of-heading change, maximum mediolateral deviation) and target alignment (heading and head-rotation errors with respect to target) were compared across groups and obstacle directions.
Results
In total, 26 participants with right-hemisphere stroke participated (13 VSN+ and 13 VSN−; 24 males; mean age 60.3 years, range 48 to 72 years). A larger proportion of VSN+ (75%) than VSN− (38%) participants collided with contralesional and head-on obstacles. For VSN− participants, deviating to the same side as the obstacle was a safe strategy to avoid diagonal obstacles and deviating to the opposite-side led to occasional collisions. VSN+ participants deviated ipsilesionally, displaying same-side and opposite-side strategies for ipsilesional and contralesional obstacles, respectively. Overall, VSN+ participants showed greater distances at onset-of-heading change, smaller maximum mediolateral deviation and larger errors in target alignment as compared with VSN− participants.
Conclusion
The ipsilesional bias arising from VSN influences the modulation of heading in response to obstacles and, along with the adoption of the “riskier” strategies, contribute to the higher number colliders and poor goal-directed walking abilities in stroke survivors with VSN. Future research should focus on developing assessment and training tools for complex locomotor tasks such as obstacle avoidance in this population.Permalink : ./index.php?lvl=notice_display&id=80591
in Annals of physical and rehabilitation medicine > Vol. 61, n°4 (Juillet 2018) . - p. 197-206[article] Effect of visuospatial neglect on spatial navigation and heading after stroke [texte imprimé] / Gayatri Aravind ; Anouk Lamontagne . - 2018 . - p. 197-206.
Doi : 10.1016/j.rehab.2017.05.002
Langues : Anglais (eng)
in Annals of physical and rehabilitation medicine > Vol. 61, n°4 (Juillet 2018) . - p. 197-206
Mots-clés : Visual neglect Cerebrovascular accident Steering Obstacle circumvention Virtual Reality Résumé : Background
Visuospatial neglect (VSN) impairs the control of locomotor heading in post-stroke individuals, which may affect their ability to safely avoid moving objects while walking.
Objective
We aimed to compare VSN+ and VSN− stroke individuals in terms of changes in heading and head orientation in space while avoiding obstacles approaching from different directions and reorienting toward the final target.
Methods
Stroke participants with VSN (VSN+) and without VSN (VSN−) walked in a virtual environment avoiding obstacles that approached contralesionally, head-on or ipsilesionally. Measures of obstacle avoidance (onset-of-heading change, maximum mediolateral deviation) and target alignment (heading and head-rotation errors with respect to target) were compared across groups and obstacle directions.
Results
In total, 26 participants with right-hemisphere stroke participated (13 VSN+ and 13 VSN−; 24 males; mean age 60.3 years, range 48 to 72 years). A larger proportion of VSN+ (75%) than VSN− (38%) participants collided with contralesional and head-on obstacles. For VSN− participants, deviating to the same side as the obstacle was a safe strategy to avoid diagonal obstacles and deviating to the opposite-side led to occasional collisions. VSN+ participants deviated ipsilesionally, displaying same-side and opposite-side strategies for ipsilesional and contralesional obstacles, respectively. Overall, VSN+ participants showed greater distances at onset-of-heading change, smaller maximum mediolateral deviation and larger errors in target alignment as compared with VSN− participants.
Conclusion
The ipsilesional bias arising from VSN influences the modulation of heading in response to obstacles and, along with the adoption of the “riskier” strategies, contribute to the higher number colliders and poor goal-directed walking abilities in stroke survivors with VSN. Future research should focus on developing assessment and training tools for complex locomotor tasks such as obstacle avoidance in this population.Permalink : ./index.php?lvl=notice_display&id=80591 Exemplaires (1)
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Exclu du prêtForced Aerobic Exercise Enhances Motor Recovery After Stroke: A Case Report / Susan M. Linder in American Journal of Occupational Therapy, Vol. 69/4 (Juillet-Août 2015)
[article]
Titre : Forced Aerobic Exercise Enhances Motor Recovery After Stroke: A Case Report Type de document : texte imprimé Auteurs : Susan M. Linder, Auteur ; Anson B. Rosenfeldt, Auteur ; Matthew Rasanow, Auteur Année de publication : 2015 Article en page(s) : 6904210010p1-6904210010p8 Langues : Anglais (eng) Mots-clés : Aerobic exercise cerebrovascular accident ischemic stroke exercise Résumé : OBJECTIVE. Previously, we demonstrated that forced aerobic exercise (FE) increases the pattern of neural activation in Parkinson’s disease. We sought to evaluate whether FE, when coupled with repetitive task practice, could promote motor recovery poststroke.
METHOD. A 46-yr-old man with ischemic stroke exhibited chronic residual upper-extremity deficits, scoring 35/66 on the Fugl-Meyer Assessment (FMA) at baseline. He completed 24 training sessions comprising 45 min of FE on a motorized stationary bicycle followed by 45 min of upper-extremity repetitive task practice.
RESULTS. From baseline to end of treatment, the FMA score improved by 20 points, perceived level of recovery on the Stroke Impact Scale increased by 20 percentage points, and cardiovascular function measured by peak oxygen uptake improved 30%. These improvements persisted 4 wk after the intervention ceased.
CONCLUSION. FE may be a safe and feasible rehabilitation approach to augment recovery of motor and nonmotor function while improving aerobic fitness in people with chronic stroke.Permalink : ./index.php?lvl=notice_display&id=40413
in American Journal of Occupational Therapy > Vol. 69/4 (Juillet-Août 2015) . - 6904210010p1-6904210010p8[article] Forced Aerobic Exercise Enhances Motor Recovery After Stroke: A Case Report [texte imprimé] / Susan M. Linder, Auteur ; Anson B. Rosenfeldt, Auteur ; Matthew Rasanow, Auteur . - 2015 . - 6904210010p1-6904210010p8.
Langues : Anglais (eng)
in American Journal of Occupational Therapy > Vol. 69/4 (Juillet-Août 2015) . - 6904210010p1-6904210010p8
Mots-clés : Aerobic exercise cerebrovascular accident ischemic stroke exercise Résumé : OBJECTIVE. Previously, we demonstrated that forced aerobic exercise (FE) increases the pattern of neural activation in Parkinson’s disease. We sought to evaluate whether FE, when coupled with repetitive task practice, could promote motor recovery poststroke.
METHOD. A 46-yr-old man with ischemic stroke exhibited chronic residual upper-extremity deficits, scoring 35/66 on the Fugl-Meyer Assessment (FMA) at baseline. He completed 24 training sessions comprising 45 min of FE on a motorized stationary bicycle followed by 45 min of upper-extremity repetitive task practice.
RESULTS. From baseline to end of treatment, the FMA score improved by 20 points, perceived level of recovery on the Stroke Impact Scale increased by 20 percentage points, and cardiovascular function measured by peak oxygen uptake improved 30%. These improvements persisted 4 wk after the intervention ceased.
CONCLUSION. FE may be a safe and feasible rehabilitation approach to augment recovery of motor and nonmotor function while improving aerobic fitness in people with chronic stroke.Permalink : ./index.php?lvl=notice_display&id=40413 Exemplaires (1)
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Exclu du prêtOccupational Therapy Interventions for Adults With Stroke / Dawn M. NILSEN in American Journal of Occupational Therapy, Vol. 69/5 (Septembre-Octobre 2015)
[article]
Titre : Occupational Therapy Interventions for Adults With Stroke Type de document : texte imprimé Auteurs : Dawn M. NILSEN, Auteur ; Glen Gillen, Auteur ; Marian Arbesman, Auteur Année de publication : 2015 Article en page(s) : p.6905395010p1-6905395010p3 Langues : Anglais (eng) Mots-clés : Adult cerebrovascular accident ischemic stroke arm Résumé : Evidence Connection articles provide a clinical application of systematic reviews developed in conjunction with the American Occupational Therapy Association's (AOTA's) Evidence-Based Practice project. The clinical condition discussed in this inaugural Evidence Connection article is adults with stroke. Findings from the systematic reviews on this topic were published in the January/February 2015 issue of the American Journal of Occupational Therapy and in AOTA’s Occupational Therapy Practice Guidelines for Adults With Stroke (Wolf & Nilsen, 2015). Each article in this series will summarize the evidence from the published reviews on a given topic and presents an application of the evidence to a related clinical case. Evidence Connection articles illustrate how the research evidence from the reviews can be used to inform and guide clinical decision making. Permalink : ./index.php?lvl=notice_display&id=40877
in American Journal of Occupational Therapy > Vol. 69/5 (Septembre-Octobre 2015) . - p.6905395010p1-6905395010p3[article] Occupational Therapy Interventions for Adults With Stroke [texte imprimé] / Dawn M. NILSEN, Auteur ; Glen Gillen, Auteur ; Marian Arbesman, Auteur . - 2015 . - p.6905395010p1-6905395010p3.
Langues : Anglais (eng)
in American Journal of Occupational Therapy > Vol. 69/5 (Septembre-Octobre 2015) . - p.6905395010p1-6905395010p3
Mots-clés : Adult cerebrovascular accident ischemic stroke arm Résumé : Evidence Connection articles provide a clinical application of systematic reviews developed in conjunction with the American Occupational Therapy Association's (AOTA's) Evidence-Based Practice project. The clinical condition discussed in this inaugural Evidence Connection article is adults with stroke. Findings from the systematic reviews on this topic were published in the January/February 2015 issue of the American Journal of Occupational Therapy and in AOTA’s Occupational Therapy Practice Guidelines for Adults With Stroke (Wolf & Nilsen, 2015). Each article in this series will summarize the evidence from the published reviews on a given topic and presents an application of the evidence to a related clinical case. Evidence Connection articles illustrate how the research evidence from the reviews can be used to inform and guide clinical decision making. Permalink : ./index.php?lvl=notice_display&id=40877 Exemplaires (1)
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Exclu du prêtPredicting Handwriting Legibility in Taiwanese Elementary School Children / Tzu-I Lee in American Journal of Occupational Therapy, Vol. 70/6 (Novembre-décembre 2016)
[article]
Titre : Predicting Handwriting Legibility in Taiwanese Elementary School Children Type de document : texte imprimé Auteurs : Tzu-I Lee ; Tsu-Hsin Howe ; Hao-Ling Chen ; [et al...] Année de publication : 2016 Article en page(s) : p. 7006220020p1-7006220020p9 Langues : Anglais (eng) Mots-clés : child handwriting elementary schools cerebrovascular accident visual motor coordination eye-hand coordination Résumé : This study investigates handwriting characteristics and potential predictors of handwriting legibility among typically developing elementary school children in Taiwan. Predictors of handwriting legibility included visual–motor integration (VMI), visual perception (VP), eye–hand coordination (EHC), and biomechanical characteristics of handwriting. A total of 118 children were recruited from an elementary school in Taipei, Taiwan. A computerized program then assessed their handwriting legibility. The biomechanics of handwriting were assessed using a digitizing writing tablet. The children’s VMI, VP, and EHC were assessed using the Beery–Buktenica Developmental Test of Visual–Motor Integration. Results indicated that predictive factors of handwriting legibility varied in different age groups. VMI predicted handwriting legibility for first-grade students, and EHC and stroke force predicted handwriting legibility for second-grade students. Kinematic factors such as stroke velocity were the only predictor for children in fifth and sixth grades. Permalink : ./index.php?lvl=notice_display&id=47057
in American Journal of Occupational Therapy > Vol. 70/6 (Novembre-décembre 2016) . - p. 7006220020p1-7006220020p9[article] Predicting Handwriting Legibility in Taiwanese Elementary School Children [texte imprimé] / Tzu-I Lee ; Tsu-Hsin Howe ; Hao-Ling Chen ; [et al...] . - 2016 . - p. 7006220020p1-7006220020p9.
Langues : Anglais (eng)
in American Journal of Occupational Therapy > Vol. 70/6 (Novembre-décembre 2016) . - p. 7006220020p1-7006220020p9
Mots-clés : child handwriting elementary schools cerebrovascular accident visual motor coordination eye-hand coordination Résumé : This study investigates handwriting characteristics and potential predictors of handwriting legibility among typically developing elementary school children in Taiwan. Predictors of handwriting legibility included visual–motor integration (VMI), visual perception (VP), eye–hand coordination (EHC), and biomechanical characteristics of handwriting. A total of 118 children were recruited from an elementary school in Taipei, Taiwan. A computerized program then assessed their handwriting legibility. The biomechanics of handwriting were assessed using a digitizing writing tablet. The children’s VMI, VP, and EHC were assessed using the Beery–Buktenica Developmental Test of Visual–Motor Integration. Results indicated that predictive factors of handwriting legibility varied in different age groups. VMI predicted handwriting legibility for first-grade students, and EHC and stroke force predicted handwriting legibility for second-grade students. Kinematic factors such as stroke velocity were the only predictor for children in fifth and sixth grades. Permalink : ./index.php?lvl=notice_display&id=47057 Exemplaires (1)
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Exclu du prêtSelf-Administered, Home-Based SMART (Sensorimotor Active Rehabilitation Training) Arm Training: A Single-Case Report / Kathryn S. Hayward in American Journal of Occupational Therapy, Vol. 69/4 (Juillet-Août 2015)
[article]
Titre : Self-Administered, Home-Based SMART (Sensorimotor Active Rehabilitation Training) Arm Training: A Single-Case Report Type de document : texte imprimé Auteurs : Kathryn S. Hayward, Auteur ; Bridee A. Neibling, Auteur ; Ruth N. Barker, Auteur Année de publication : 2015 Article en page(s) : 6904210020p1-6904210020p8 Langues : Anglais (eng) Mots-clés : Arm cerebrovascular accident ischemic stroke rehabilitation self administration training Résumé : This single-case, mixed-method study explored the feasibility of self-administered, home-based SMART (sensorimotor active rehabilitation training) Arm training for a 57-yr-old man with severe upper-limb disability after a right frontoparietal hemorrhagic stroke 9 mo earlier. Over 4 wk of self-administered, home-based SMART Arm training, the participant completed 2,100 repetitions unassisted. His wife provided support for equipment set-up and training progressions. Clinically meaningful improvements in arm impairment (strength), activity (arm and hand tasks), and participation (use of arm in everyday tasks) occurred after training (at 4 wk) and at follow-up (at 16 wk). Areas for refinement of SMART Arm training derived from thematic analysis of the participant’s and researchers’ journals focused on enabling independence, ensuring home and user friendliness, maintaining the motivation to persevere, progressing toward everyday tasks, and integrating practice into daily routine. These findings suggest that further investigation of self-administered, home-based SMART Arm training is warranted for people with stroke who have severe upper-limb disability. Permalink : ./index.php?lvl=notice_display&id=40414
in American Journal of Occupational Therapy > Vol. 69/4 (Juillet-Août 2015) . - 6904210020p1-6904210020p8[article] Self-Administered, Home-Based SMART (Sensorimotor Active Rehabilitation Training) Arm Training: A Single-Case Report [texte imprimé] / Kathryn S. Hayward, Auteur ; Bridee A. Neibling, Auteur ; Ruth N. Barker, Auteur . - 2015 . - 6904210020p1-6904210020p8.
Langues : Anglais (eng)
in American Journal of Occupational Therapy > Vol. 69/4 (Juillet-Août 2015) . - 6904210020p1-6904210020p8
Mots-clés : Arm cerebrovascular accident ischemic stroke rehabilitation self administration training Résumé : This single-case, mixed-method study explored the feasibility of self-administered, home-based SMART (sensorimotor active rehabilitation training) Arm training for a 57-yr-old man with severe upper-limb disability after a right frontoparietal hemorrhagic stroke 9 mo earlier. Over 4 wk of self-administered, home-based SMART Arm training, the participant completed 2,100 repetitions unassisted. His wife provided support for equipment set-up and training progressions. Clinically meaningful improvements in arm impairment (strength), activity (arm and hand tasks), and participation (use of arm in everyday tasks) occurred after training (at 4 wk) and at follow-up (at 16 wk). Areas for refinement of SMART Arm training derived from thematic analysis of the participant’s and researchers’ journals focused on enabling independence, ensuring home and user friendliness, maintaining the motivation to persevere, progressing toward everyday tasks, and integrating practice into daily routine. These findings suggest that further investigation of self-administered, home-based SMART Arm training is warranted for people with stroke who have severe upper-limb disability. Permalink : ./index.php?lvl=notice_display&id=40414 Exemplaires (1)
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