Improving orientation with respect to gravity enhances balance and gait recovery after stroke: DOBRAS cohort - 16/03/24
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Highlights |
• | After stroke, body orientation improved with time in most individuals. |
• | However, half of individuals with lateropulsion were still not upright at 3 months. |
• | Lateropulsion attenuation was not slower in individuals with severe forms. |
• | Balance and gait recovery was possible without improvement of body orientation. |
• | Lateropulsion attenuation enhanced balance and gait recovery during the same period. |
Abstract |
Background |
Lateropulsion is a deficit in body orientation with respect to gravity, frequent after stroke. Although it is a primary factor affecting mobility, the impact of its attenuation on balance and gait recovery has never been investigated. Moreover, most studies on the lateropulsion time-course focus on severe forms suspected to have a poor recovery, which is not proven.
Objectives |
To investigate lateropulsion attenuation and test 2 hypotheses: 1) lateropulsion attenuation greatly contributes to balance and gait recovery and 2) severe forms of lateropulsion recover slower than moderate forms.
Methods |
This longitudinal study involved individuals included in the Determinants of Balance Recovery After Stroke (DOBRAS) cohort, after a first-ever hemispheric stroke, with data collected on day 30 (D30), D60 and D90 post-stroke. Body orientation with respect to gravity was assessed using the Scale for Contraversive Pushing (both scores and severity grouping), in parallel with balance (Postural Assessment Scale for Stroke) and gait (modified Fugl-Meyer Gait Assessment).
Results |
Among the 106 eligible individuals (mean age 66.5 [SD 9.7] years), on D30, 43 (41%) were considered upright and 63 (59%) showed lateropulsion: 30 (28%) moderate and 33 (31%) severe. Most individuals with lateropulsion (73%) improved their body orientation, progressing from severe to moderate lateropulsion, or becoming upright. However, half were still not upright on D90. The improvement in body orientation had a large impact on mobility, especially in individuals with severe lateropulsion, in whom it explained about 50% of balance and gait recovery between D30 and D60, then 20% (D60-D90). For moderate lateropulsion, its attenuation explained about 20% of balance and gait recovery until D90. Lateropulsion attenuation was not slower in individuals with severe forms.
Conclusions |
Lateropulsion attenuation enhances balance and gait recovery in individuals after stroke suggesting that specific rehabilitation of body orientation with respect to gravity might help to recover mobility.
Registration |
NCT03203109
Le texte complet de cet article est disponible en PDF.Keywords : Lateropulsion attenutation, Body orientation, Balance recovery, Gait recovery, Post-stroke rehabilitation
Abbreviations : DOBRAS, LHS, mFMA, mRS, PASS, RHS, SCP
Plan
Vol 67 - N° 1
Article 101767- février 2024 Retour au numéro
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