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Patellar fracture after replacement of the tibio-femoral joint with the ICLH prosthesis

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Summary

Four cases are reported of spontaneous fracture of the patella after ICLH replacement of the knee for Rheumatoid Arthritis. Three of these occurred in patellae that had not themselves been replaced; one in a resurfaced patella. The former required no specific treatment but the latter required revision surgery.

It is argued that the existence of this complication may represent a contra-indication to patellar replacement in the osteoporotic rheumatoid knee.

Zusammenfassung

Vier Fälle einer spontanen Fraktur der Patella werden dargestellt nach Implantation einer ICLH-Knieprothese bei PCP. Drei von diesen Frakturen ereigneten sich an Kniescheiben, die nicht ersetzt werden, eine bei einer mit einem Gelenkanteil versehenen Patella. Während die ersteren keine spezielle Behandlung erforderten, mußte im 4. Fall em zusätzlicher operativer Eingriff durchgeführt werden.

Es wird daher zur Frage gestellt, ob these Komplikationsmöglichkeit eine Kontraindikation des Patellaersatzes am osteoporotischen PCP-Knie darstellt.

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References

  • Freeman, M. A. R., Todd, R. C., Bamert, P., Day, W. H.: ICLH Arthroplasty of the Knee: 1968–1978. J. Bone Jt. Surg. (in press)

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Freeman, M.A.R., Hammer, A. Patellar fracture after replacement of the tibio-femoral joint with the ICLH prosthesis. Arch. Orth. Traum. Surg. 92, 63–67 (1978). https://doi.org/10.1007/BF00381642

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  • DOI: https://doi.org/10.1007/BF00381642

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