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Q In patients with shoulder pain (mapped within an area bounded by the midpart of the clavicle and the deltoid insertion), what is the accuracy of clinical and imaging tests for diagnosing acromioclavicular joint (ACJ) pain?
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METHODS
Design:
blinded comparison of the clinical and imaging tests with results of the ACJ infiltration test as the reference standard.
Setting:
a university hospital in Sydney, New South Wales, Australia.
Patients:
38 patients (mean age 44 y, 58% women) who had shoulder pain that was mapped within an area bounded by the midpart of the clavicle and the deltoid insertion. Exclusion criteria included previous clavicular or ACJ surgery, clavicular fracture, previous or known allergies to lidocaine or radiopaque contrast medium, and pregnancy.
Description of tests:
clinical tests included examination (by a physician) for tenderness of the ACJ, and the Paxinos and O’Brien signs with the results declared as positive (for …
Footnotes
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For correspondence: Dr G A Murrell, University of New South Wales, Sydney, New South Wales, Australia. Murrell.g{at}ori.org.au
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Source of funding: no external funding.