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Am J Sports Med. 2004 Apr-May;32(3):734-43.

Repetitive low-energy shock wave treatment for chronic lateral epicondylitis in tennis players.

Author information

1
Department of Orthopaedic Surgery, Johannes Gutenberg University School of Medicine, Mainz, Germany. rompe@mail.uni-mainz.de

Abstract

BACKGROUND:

There is conflicting evidence regarding extracorporeal shock wave treatment for chronic tennis elbow.

HYPOTHESIS:

Treatment with repetitive low-energy extracorporeal shock wave treatment is superior to repetitive placebo extra-corporeal shock wave treatment.

METHODS:

Seventy-eight patients enrolled in a placebo-controlled trial. All patients were tennis players with recalcitrant MRI-confirmed tennis elbow of at least 12 months' duration. Patients were randomly assigned to receive either active low-energy extracorporeal shock wave treatment given weekly for 3 weeks (treatment group 1) or an identical placebo extracorporeal shock wave treatment (sham group 2). Main outcome measure was pain during resisted wrist extension at 3 months; secondary measures were >50% reduction of pain and the Upper Extremity Function Scale.

RESULTS:

At 3 months, there was a significantly higher improvement in pain during resisted wrist extension in group 1 than in group 2 (mean [SD] improvement, 3.5 [2.0] and 2.0 [1.9]; P =.001 for between-group difference of improvement) and in the Upper Extremity Function Scale (mean [SD] improvement, 23.4 [14.8] and 10.9 [14.9]; P <.001 for between-group difference of improvement). In the treatment group, 65% of patients achieved at least a 50% reduction of pain, compared with 28% of patients in the sham group (P =.001 for between-group difference).

CONCLUSION:

Low-energy extracorporeal shock wave treatment as applied is superior to sham treatment for tennis elbow.

PMID:
15090392
DOI:
10.1177/0363546503261697
[Indexed for MEDLINE]

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