Summary
The frequency of and the factors causing dislocations of 71 total hip replacements and 59 hemiarthroplasties following failure of nailed femoral neck fractures were investigated. Dislocations were frequent and occurred in four (6%) and seven (12%) hips respectively. Malposition of the components increased the risk for dislocation. A well-positioned total hip replacement was more stable than a hemiarthroplasty.
Zusammenfassung
Die Häufigkeit und die Ursachen von Luxationen bei 71 Totalprothesen und 59 Hemiarthroplastiken des Hüftgelenkes nach fehlverheilten, genagelten Schenkelhalsfrakturen wurden untersucht. Luxationen waren häufig und traten bei vier (6%) bzw. sieben (12%) Hüften auf. Eine Fehlstellung der Implantate erhöhte das Luxationsrisiko. Eine Totalprothese mit guter Position zeigte eine bessere Stabilität als eine Hemiarthroplastik.
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Johnsson, R., Bendjelloul, H., Ekelund, L. et al. Comparison between hemiarthroplasty and total hip replacement following failure of nailed femoral neck fractures focused on dislocations. Arch. Orth. Traum. Surg. 102, 187–190 (1984). https://doi.org/10.1007/BF00575231
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DOI: https://doi.org/10.1007/BF00575231