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Am J Sports Med. 2006 Aug;34(8):1247-53. Epub 2006 Apr 24.

Short-term effectiveness of hyperthermia for supraspinatus tendinopathy in athletes: a short-term randomized controlled study.

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1
Orth Department of Trauma and Orthopaedic Surgery, Keele University School of Medicine, Thornburrow Drive, Hartshill, Stoke on Trent ST4 7QB, Staffs, England.

Abstract

BACKGROUND:

Hyperthermia has been introduced as a physical therapy modality for soft tissue injuries.

HYPOTHESIS:

The authors tested the null hypothesis that there are no short-term differences after the use of hyperthermia, ultrasound, and exercises for tendinopathy of the supraspinatus tendon.

STUDY DESIGN:

Randomized controlled trial; Level of evidence, 1.

METHODS:

The authors studied 37 athletes (29 men, 8 women; mean age, 26.7 +/- 5.8 years; range, 19-43 years) with supraspinatus tendinopathy who had had symptoms between 3 and 6 months. Subjects were randomly assigned to 3 groups. Group A (n = 14) received hyperthermia at 434 MHz. Group B (n = 12) received continuous ultrasound at 1 MHz at an intensity of 2.0 w/cm(2) 3 times a week. Group C (n = 11) undertook exercises, consisting of pendular swinging and stretching exercises 5 minutes twice a day every day. All interventions were undertaken for 4 weeks. Subjects were evaluated at baseline, immediately on completion of treatment, and at 6 weeks after the end of the intervention using mean pain score for pain at night, during movement, and at rest on a visual analog scale; pain on resisted movement and painful arc on active abduction between 40 degrees and 120 degrees on a 4-point scale; and Constant score.

RESULTS:

Patients who received hyperthermia experienced significantly better pain relief than did patients receiving ultrasound or exercises: group A, 5.96 to 1.2 (P = .03); group B, 6.3 to 5.15 (P = .10); group C, 6.1 to 4.9 (P = .09).

CONCLUSION:

Hyperthermia at 434 MHz appears safe and effective in the short term for the management of supraspinatus tendinopathy.

PMID:
16636345
DOI:
10.1177/0363546506287827
[Indexed for MEDLINE]
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