Non-anatomical monopolar uncemented radial head arthroplasty is one of the most commonly performed radial head arthroplasties and is one of the first radial head replacements with a well-documented long-term follow-up. These designs behave as a spacer and are based on the concept that a real anatomical replacement of the radial head is not achievable due to the extreme anatomical variability. With a proper learning curve and precise surgical technique, good medium- to long-term follow-up should be expected. A common complication seems to be the radiolucency around the stem that, however, does not correlate with clinical symptoms.
Radial head replacement Elbow instability Monopolar radial head Overstuffing Surgical technique Radial head fracture
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