Effect of botulinum toxin injection in the rectus femoris on stiff-knee gait in people with stroke: a prospective observational study.

Effect of botulinum toxin injection in the rectus femoris on stiff-knee gait in people with stroke: a prospective observational study. Research Abstract Details 

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Effect of botulinum toxin injection in the rectus femoris on stiff-knee gait in people with stroke: a prospective observational study. Abstract Text:

Stoquart,Christine Detrembleur,Sara Palumbo,Thierry Deltombe,Thierry M Lejeune, Stoquart,Christine Detrembleur,Sara Palumbo,Thierry Deltombe,Thierry M Lejeune,Gaëtan G Stoquart,Christine Detrembleur,Sara Palumbo,Thierry Deltombe,Thierry M Lejeune,

Stoquart GG, Detrembleur C, Palumbo S, Deltombe T, Lejeune TM. Effect of botulinum toxin injection in the rectus femoris on stiff-knee gait in people with stroke: a prospective observational study. OBJECTIVE: To study the effect of botulinum toxin type A (BTX-A) injection in the rectus femoris on the decreased knee flexion during the swing phase of gait (stiff-knee gait) in people with stroke. DESIGN: Intervention study (before-after trial) with an observational design. SETTING: Outpatient rehabilitation clinic and gait laboratory. PARTICIPANTS: Nineteen chronic hemiparetic adults presenting with stiff-knee gait. INTERVENTION: Injection of 200U of BTX-A (Botox) into the rectus femoris. MAIN OUTCOME MEASURES: Before and 2 months after BTX-A rectus femoris injection: Stroke Impairment Assessment Set (SIAS), Duncan-Ely test, and an instrumented gait analysis. RESULTS: Median SIAS score improved from 53 (range, 36-65) to 57 (range, 42-70) (signed-rank test, P=.005) and the Duncan-Ely score from 3 (range, 1-3) to 1 (range, 0-3) (P<.001). In gait analysis, mean (+/- standard deviation) maximum knee flexion improved from 26 degrees +/-13 degrees to 31 degrees +/-14 degrees during the swing phase (paired t test, P<.001), knee flexion speed at toe-off improved from 82 degrees +/-63 degrees to 112 degrees +/-75 degrees /s (P=.009), and knee negative joint power (eccentric muscular contraction) improved from -.27+/-.23 to -.37+/-.26W/kg (P<.001). The 4 patients who almost did not flex the knee (<10 degrees ) before the BTX-A rectus femoris injection did not improve after the injection. The other 14 patients who flexed the knee more than 10 degrees before the BTX-A rectus femoris injection decreased the walking energy cost from 5.4+/-1.6 to 4.6+/-1.3J.kg(-1).m(-1) (P=.006). CONCLUSIONS: BTX-A rectus femoris injection may be beneficial in patients with a stiff-knee gait after stroke, particularly in patients with some knee flexion (>10 degrees ).

Effect of botulinum toxin injection in the rectus femoris on stiff-knee gait in people with stroke: a prospective observational study. Publishing Authors By Initials

GG Stoquart,C Detrembleur,S Palumbo,T Deltombe,TM Lejeune,GG Stoquart,C Detrembleur,S Palumbo,T Deltombe,TM Lejeune,GG Stoquart,C Detrembleur,S Palumbo,T Deltombe,TM Lejeune,

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Effect of botulinum toxin injection in the rectus femoris on stiff-knee gait in people with stroke: a prospective observational study. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Archives of physical medicine and rehabilitation

VOLUME: 89

Page Numbers: 56-61

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ISSN: 1532-821X

DAY: 31

MONTH: Jan

YEAR: 2008

Effect of botulinum toxin injection in the rectus femoris on stiff-knee gait in people with stroke: a prospective observational study. Information

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LANGUAGE: eng

NlmUniqueID: 2985158

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AFFILIATION: Rehabilitation and Physical Medicine Unit, Université Catholique de Louvain, Brussels, Belgium; Department of Physical Medicine and Rehabilitation, Université Catholique de Louvain, Cliniques Universitaires Saint-Luc, Brussels, Belgium.

Country: United States

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MEDLINETA: Arch Phys Med Rehabil

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