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Abstract
Background The Kudo total elbow prosthesis (TEP) is a well-established implant with good mid-term results. The ulnar component can be placed with or without cement, and the humeral component is normally placed without cement.
Methods 89 Kudo type-5 total elbow prostheses were evaluated after a mean follow-up of 6 (1.7–11) years. The indication for joint replacement was rheumatoid arthritis in all cases. 49 prostheses were placed without cement. In 40 cases, the ulnar component was cemented and the humeral component was uncemented.
Results In the uncemented group, 7 revisions had taken place. 3 of these ulnar components were shortstemmed and 4 were long-stemmed. No revisions had been performed in the hybrid group. In the uncemented group another 7 patients showed progressive radiolucencies, while 3 patients in the hybrid group showed progressive radiolucencies.
Interpretation In this group of RA patients, the survivorship of the cemented ulnar component was better than that of the uncemented ulnar component.
Contributions of authors
HH and J-MB: data collection. HH, FH, DE, and MWM: interpretation of data and statistical analysis. HH, MW, DE, FH, and MWM: preparation of the manuscript. DE and MWM: senior authors.