Long-term Outcomes of Arthroscopic Acromioplasty for Chronic Shoulder Impingement Syndrome: A Prospective Cohort Study With a Minimum of 12 Years' Follow-up
Purpose: The Purpose of this Study was to evaluate long-term outcomes of arthroscopic acromioplasty for shoulder impingement syndrome. Methods: This was a prospective cohort study of 31 shoulders (24 men) that underwent arthroscopic acromioplasty for shoulder impingement syndrome during 1992 and 1993. The mean age at surgery was 49 years (range, 33 to 68 years). A group of 29 shoulders (22 men) op