Standardized and Modified Corticosteroid Subacromial Injection for Shoulder Impingement Syndrome (SMCSINJ)
Shoulder Impingement
About this trial
This is an interventional treatment trial for Shoulder Impingement focused on measuring ultrasonography, corticosteroid, subacromial impingement syndrome, shoulder pain
Eligibility Criteria
Inclusion Criteria:
- shoulder pain>3 weeks; no contraindication for local injection; Visual analogue scale of pain>4
Exclusion Criteria:
- systemic rheumatologic disease, Ankylosing spondylitis, malignancy, major trauma or recent injections on the affected shoulder
Sites / Locations
- National Taiwan University Hospital, Bei-Hu branch
Arms of the Study
Arm 1
Arm 2
Experimental
Placebo Comparator
Modified subacromial injection
Standardized subacromial injection
Intervention procedure: corticosteroid injection into the subacromial bursa and biceps tendon Device for guidance: high-resolution ultrasound Drug: 40 mg triamcinolone acetonide (a kind of corticosteroid) Intervention procedure: lidocaine injection into the subacromial bursa and biceps tendon Device for guidance: high-resolution ultrasound Drug: 3 mL of lidocaine (the medication will be mixed with 40 mg triamcinolone acetonide)
Intervention procedure: corticoseroid injection into the subacromial bursa only Device for guidance: high-resolution ultrasound Drug: 40 mg triamcinolone acetonide (a kind of corticosteroid) Intervention procedure: lidocaine injection into the subacromial bursa only Device for guidance: high-resolution ultrasound Drug: 3 mL of lidocaine (the medication will be mixed with 40 mg triamcinolone acetonide)