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“Poststroke Postural Sway Improved by Botulinum Toxin: A Multicenter Randomized Double-blind Controlled Trial”

Published:August 20, 2020DOI:https://doi.org/10.1016/j.apmr.2020.03.027
      We read the article by Kerzoncuf et al
      • Kerzoncuf M.
      • Viton J.M.
      • Pellas F.
      • et al.
      Poststroke postural sway improved by botulinum toxin: a multicenter randomized double-blind controlled trial.
      with great interest. We appreciate the authors’ efforts to assess the effects of injecting botulinum toxin type A (BTX-A) into the lower limb muscles of people with hemiparesis post stroke. However, we have 2 concerns that may alter their conclusion.
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      References

        • Kerzoncuf M.
        • Viton J.M.
        • Pellas F.
        • et al.
        Poststroke postural sway improved by botulinum toxin: a multicenter randomized double-blind controlled trial.
        Arch Phys Med Rehabil. 2020; 101: 242-248
        • Bland J.M.
        • Altman D.G.
        Comparisons against baseline within randomized groups are often used and can be highly misleading.
        Trials. 2011; 12: 264