Acromioplasty is a well-known, simple, and reproducible surgical technique that is used in isolation or in combination with other arthroscopic procedures. The clinical value of acromioplasty combined with arthroscopic rotator cuff repair has been largely investigated. Main theoretical benefits lie in the opportunity to improve the visualization, decrease abrasive wear with prominent acromial morphology, and release natural growth factors. On the other hand, acromioplasty and release of the coracoacromial ligament may weaken the insertion of the deltoid muscle, induce scar formation in the subacromial space, theoretically limiting shoulder mobility, and increase risk of anterior-superior humeral escape, especially in patients with large to massive rotator cuff tears. Clinical studies report conflicting results. My results show no differences in clinical outcomes in rotator cuff repairs with or without subacromial decompression, regardless of the acromial morphology. At the same time, I do believe that confirmatory studies are always necessary, especially if the aim is to disprove the usefulness of a common practice.
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