• M Loew, S Heitkemper, D Parsch, S Schneider, and M Rickert.
• Orthopaedic University Hospital of Heidelberg, Schlierbacherlandstrasse 200A, 69118 Heidelberg, Germany. markus.loew@ok.uni-heidelberg.de
• J Bone Joint Surg Br. 2006 Mar 1;88(3):345-50.

AbstractWe reviewed 39 patients with displaced three- and four-part fractures of the humerus. In 21 patients (group A) we had used an anatomical prosthesis for the humeral head and in 18 (group B) an implant designed for fractures. When followed up at a mean of 29.3 months after surgery the overall Constant score was 51.9 points; in group A it was 51.5 and in group B 52.4 points. The subjective satisfaction of the patients was assessed using a numerical rating scale and was similar in both groups. In group A complete healing of the tuberosities was found in 29% and 50% in group B. Partial integration was seen in 29% of group A and in only one patient in group B, while resorption was noted in 43% of group A and 44% of group B. The functional outcome was significantly better in patients with complete or partial healing of the tuberosities (p=0.022). The specific trauma prosthesis did not lead to better healing of the tuberosities. The difference in clinical outcome obtained by the two designs did not reach statistical significance.

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