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Editorial| Volume 10, ISSUE 3, P191-192, March 2010

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The vertebroplasty affair: the mysterious case of the disappearing effect size

  • Eugene J. Carragee
    Correspondence
    Corresponding author. Department of Orthopedic Surgery, Stanford Medicine Outpatient Center, Stanford University School of Medicine, 450 Broadway, Mail Code 6342, Redwood City, CA 94063, USA. Tel.: (650) 723-7797; fax: (650) 723-9805.
    Affiliations
    Department of Orthopedic Surgery, Stanford Medicine Outpatient Center, Stanford University School of Medicine, 450 Broadway, Mail Code 6342, Redwood City, CA 94063, USA
    Search for articles by this author
      For instance, in 1997, an early report on the treatment of 47 osteoporotic compression fractures with the new vertebroplasty technique [
      • Jensen M.E.
      • Evans A.J.
      • Mathis J.M.
      • et al.
      Percutaneous polymethylmethacrylate vertebroplasty in the treatment of osteoporotic vertebral body compression fractures: technical aspects.
      ] found that patients who had severe pain did well, incredibly well. In fact, 90% had pain relief within 24 hours. In short order, another group reported “complete pain relief” in 78% of patients with osteoporotic compression fractures treated with vertebroplasty [
      • Martin J.B.
      • Jean B.
      • Sugiu K.
      • et al.
      Vertebroplasty: clinical experience and follow-up results.
      ]. Not to be outdone, a third group in 1998 reported “immediate … complete relief of symptoms” in 90% of 80 patients with osteoporosis treated with vertebroplasty[
      • Deramond H.
      • Depriester C.
      • Galibert P.
      • Le Gars D.
      Percutaneous vertebroplasty with polymethylmethacrylate. Technique, indications, and results.
      ]. Onward and upward, an arms race for more and more fantastic results, no control groups need apply.
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