• OBJECTIVES
    • To evaluate the outcomes of arthroscopic surgery for patients with shoulder impingement syndrome (SIS).
  • METHODS
    • A systematic search was conducted in PubMed, Web of Science, SCOPUS, and Science Direct for studies on the outcomes of arthroscopic surgery for SIS. Screening, data extraction, and quality appraisal were performed independently.
  • RESULTS
    • Eleven studies with a total of 782 patients were included. Arthroscopic subacromial decompression (ASAD) showed reduced pain and improved function regardless of age or chronicity, with high satisfaction rates and a low complication rate of 0-19.4%. Arthroscopic acromioplasty provided good short-term outcomes for refractory SIS and superior long-term outcomes compared to open surgery.
  • CONCLUSION
    • ASAD is more effective than open or conservative treatment for recalcitrant SIS, though similar results can be attained with well-structured exercise therapy. Low complication rates associated with arthroscopy underscore its safety.