Long-term effects and complication rates of Coonrad-Morrey total elbow arthroplasty - a retrospective analysis of 95 prostheses in 16-year follow-up

The first total elbow arthroplasty of constrained type was installed by Dee in 1972.1 Even though he had reported good clinical results, the component loosening had been common. In 1982, Morrey and Bryan have also reported up to 27% rate of component loosening of that early type of constrained prostheses in a five-year follow-up.2 Strong forces at the bone cement interface of hinged prosthesis has been suggested as a reason for that loosening. Thus, that kinds of constrained prostheses have been retired from a practice.