Related Experiment Video
Updated: Feb 27, 2026
Reverse Total Shoulder Arthroplasty
Published on: July 5, 2011
Polyethylene dissociation from humeral stem status after reverse total shoulder arthroplasty
Karan A Patel1, Kara L Boyd1, Kevin J Renfree1
1Department of Orthopedics, Mayo Clinic Arizona, Scottsdale, AZ, USA.
Background:
Reverse shoulder arthroplasty (RSA) is an important treatment option for 4-part proximal humerus fractures in the elderly and arthrosis of the glenohumeral joint with incompetence of the rotator cuff. Unique complications do occur with use of this type of prosthesis.
Methods:
We present 4 cases of polyethylene dissociation after RSA.
Results:
In a series of 549 patients who underwent RSA, the incidence of polyethylene dissociation was found to be 0.7%.
Conclusions:
Polyethylene dissociation is a rare complication after RSA. Surgeons should be aware of this possibility if a closed reduction of an RSA dislocation is not possible.
More Related Videos
09:51The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
Published on: September 7, 2022
09:31Individualized Stem-positioning in Calcar-guided Short-stem Total Hip Arthroplasty
Published on: February 27, 2018