Abstract
Objective
To compare dual-target injection with standard ultrasound (US)-guided subacromial
injection in patients with subacromial impingement syndrome (SIS) and possible disorders
of the biceps long-head tendons.
Design
Double-blind, randomized controlled trial.
Setting
Rehabilitation outpatient clinic.
Participants
Patients with SIS (N=60).
Intervention
(1) US-guided standard subacromial bursa; (2) dual-target (subacromial bursa plus
proximal biceps long-head tendon) injection, with 40-mg triamcinolone acetonide administered
to patients in each group.
Main Outcome Measures
Clinical assessments were performed at baseline. The outcomes, including results from
a self-administered questionnaire, the Shoulder Pain and Disability Index (SPADI),
and a self-pain report, the visual analog scale (VAS) scores for pain at rest, at
night, and during overhead activities, were evaluated at baseline and at the first
and third months postintervention.
Results
No significant difference was observed in baseline evaluations between groups (n=30
in each treatment arm) prior to injections. Both groups exhibited significant SPADI
and VAS-score improvements after the first month. The dual-target injection group
had less rebounding pain at the 3-month follow-up. The standard injection group had
more patients reporting worsening pain within 1 day postinjection.
Conclusion
US-guided dual-target corticosteroid injection showed similar short-term efficacy
to standard subacromial injections, but with an extended duration of symptom relief.
Therefore, dual-target corticosteroid injections may be useful for shoulder pain treatment
in patients with SIS.
Keywords
List of abbreviations:
ANOVA (analysis of variance), SIS (subacromial impingement syndrome), SPADI (Shoulder Pain and Disability Index), US (ultrasound), VAS (visual analog scale)To read this article in full you will need to make a payment
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Article info
Publication history
Published online: May 28, 2019
Footnotes
Supported by National Taiwan University Hospital, Bei-Hu Branch; Ministry of Science and Technology (grant no. MOST 106-2314-B-002- 180-MY3); and Taiwan Society of Ultrasound in Medicine.
Disclosures: none.
Clinical Trial Registration No.: NCT03148353.
Identification
Copyright
© 2019 by the American Congress of Rehabilitation Medicine
