Meta-Analysishigh evidence
Stem design in radial head arthroplasty: a systematic review and meta-analysis.
Journal of shoulder and elbow arthroplasty·September 1, 2026·PMID 42494810
Why it mattersSurgeons selecting radial head implants for complex elbow instability have long debated stem fixation and polarity. This analysis suggests that the perceived survival advantage of loose-fit stems may be influenced by shorter follow-up in those studies, and that bipolar implants do not reduce revisions despite added cost and complexity.
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