Is arthroscopic subacromial decompression effective for shoulder impingement?
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Q: Is arthroscopic subacromial decompression effective for shoulder impingement? Evidence-based answer: It's impossible to say for certain in the absence of randomized controlled trials. However, in patients whose impingement symptoms don't improve after 3 to 6 months, arthroscopic subacromial decompression (ASD) is associated with modest (about 10%) long-term improvement in pain and function compared with open acromioplasty or baseline (strength of recommendation [SOR]: B, cohort studies). Patients older than 57 years may do better with surgery than physical therapy (SOR: B, single cohort study).
Journal of Family Practice, 64(11) 2015: 732-733, 743.