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D A W M van der Windt a Institute for Research in Extramural
Medicine, Faculty of Medicine, Vrije Universiteit, Van der
Boechorststraat 7, 1081 BT Amsterdam, Netherlands, b Department of Epidemiology and Biostatistics,
Faculty of Medicine, Vrije Universiteit, c Department of General Practice,
Nursing Home Medicine and Social Medicine, Faculty of Medicine, Vrije
Universiteit, d Department of Rehabilitation Medicine, Academic
Medical Centre, University of Amsterdam, Meibergdreef 9, 1105 AZ
Amsterdam
Correspondence to: Dr van der Windt
dawm.van_der_windt.emgo{at}med.vu.nl
Objective:
To compare the effectiveness of
corticosteroid injections with physiotherapy for the treatment of
painful stiff shoulder.
Design:
Randomised trial.
Setting:
40 general practices.
Subjects:
109 patients consulting general
practitioners for shoulder pain were enrolled in the trial.
Interventions:
Patients were randomly allocated to 6 weeks of treatment either with corticosteroid injections (53) or
physiotherapy (56).
Main outcome measures:
Outcome assessments were
carried out 3, 7, 13, 26, and 52 weeks after randomisation; some of the
assessments were done by an observer blind to treatment allocation.
Primary outcome measures were the success of treatment as measured by scores on scales measuring improvement in the main complaint and pain,
and improvement in scores on a scale measuring shoulder disability.
Results:
At 7 weeks 40 (77%) out of 52 patients
treated with injections were considered to be treatment successes
compared with 26 (46%) out of 56 treated with physiotherapy
(difference between groups 31%, 95% confidence interval 14% to
48%). The difference in improvement favoured those treated with
corticosteroids in nearly all outcome measures; these differences were
statistically significant. At 26 and 52 weeks differences between the
groups were comparatively small. Adverse reactions were generally mild. However, among women receiving treatment with corticosteroids adverse
reactions were more troublesome: facial flushing was reported by 9 women and irregular menstrual bleeding by 6, 2 of whom were
postmenopausal.
Conclusions:
The beneficial effects of corticosteroid
injections administered by general practitioners for treatment of
painful stiff shoulder are superior to those of physiotherapy. The
differences between the intervention groups were mainly the result of
the comparatively faster relief of symptoms that occurred in patients treated with injections. Adverse reactions were generally mild but
doctors should be aware of the potential side effects of injections of
triamcinolone, particularly in women.
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