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J Bone Joint Surg Am. 2009 Nov;91(11):2589-97. doi: 10.2106/JBJS.H.00841.

Extracorporeal shock-wave therapy compared with surgery for hypertrophic long-bone nonunions.

Author information

1
Department of Physical Medicine and Rehabilitation, San Salvatore Hospital of L'Aquila, via L. Natali 1, 67100 L'Aquila, Italy. angelo.cacchio@tin.it

Erratum in

  • J Bone Joint Surg Am. 2010 May;92(5):1241.

Abstract

BACKGROUND:

The authors of several studies have recommended extracorporeal shock-wave therapy as an alternative to surgical treatment for long-bone nonunions. This study was performed to compare the results of extracorporeal shock-wave therapy produced by two different devices with those of surgical treatment in the management of long-bone nonunions.

METHODS:

One hundred and twenty-six patients with a long-bone nonunion were randomly assigned to receive either extracorporeal shock-wave therapy (Groups 1 and 2) or surgical treatment (Group 3). The patients in the shock-wave groups received four treatments with 4000 impulses of shock waves with an energy flux density of 0.40 mJ/mm(2) (Group 1) or 0.70 mJ/mm(2) (Group 2). The patients in the three groups had similar demographic characteristics, durations of nonunion, and durations of follow-up. Radiographic results (the primary outcome) and clinical results (the secondary outcomes) were determined before and three, six, twelve, and twenty-four months after treatment.

RESULTS:

The radiographic findings did not differ among the three groups of patients. At six months, 70% of the nonunions in Group 1, 71% of the nonunions in Group 2, and 73% of the nonunions in Group 3 had healed. Three and six months after treatment, the clinical outcomes in the two shock-wave groups were significantly better than those in the surgical group (p < 0.001). However, at both twelve and twenty-four months after treatment, there were no differences among the three groups, with the exception of the DASH score, which differed significantly between Groups 1 and 3 (p = 0.038) and between Groups 2 and 3 (p = 0.021) at twelve months.

CONCLUSIONS:

Extracorporeal shock-wave therapy is as effective as surgery in stimulating union of long-bone hypertrophic nonunions and yields better short-term clinical outcomes.

PMID:
19884432
DOI:
10.2106/JBJS.H.00841
[Indexed for MEDLINE]

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