HighlightsOverstuffing is a serious yet avoidable complication of radial head arthroplasty.Overstuffing severely alters elbow joint kinematics and leads to capitellar erosion.Radiocapitellar arthroplasty can be a salvage procedure in such cases.Limited clinical data is available thus far regarding radiocapitellar arthroplasty.The possibility for early failure due to ulnohumeral erosion has to be considered.