Summary
Patients with femoral head necrosis are generally younger and more physically active than osteoarthritis patients. The aim of this retrospective study was to investigate the abrasion respectively the resulting increase in concentrations of cobalt and chromium levels in whole blood. Furthermore the patient’s activity and the clinical outcome of a physically active population in comparison with a reference group with a lower level of physical activity was investigated.
In both groups a Metasul Total Hip Bearing System was used. Our minimum follow-up included a period of 12 years.
The activity level of the study population was identified by using the UCLA scores, and the HHS (Harris Hip Score), the cobalt and chromium concentration was analyzed by means of atomic absorption spectrometry. There were no significant differences in terms of metal ion concentration between the two groups and hence no positive correlation between metal abrasion and increased physical activity.
Zusammenfassung
Patienten mit Hüftkopfnekrosen sind im Allgemeinen jünger und sportlich aktiver als Osteoarthritis-Patienten. Das Ziel dieser retrospektiven Studie war es, den Abrieb beziehungsweise den damit verbundenen erhöhten Konzentrationen von Kobalt- und Chromwerten im Vollblut, die Patientenaktivität, sowie das klinische Ergebnis einer sportlich aktiven Patientengruppe und einer Referenzgruppe mit niedrigem sportlichen Aktivitätsgrad zu untersuchen.
Hierbei wurde in beiden Gruppen eine Metasulgleitpaarung verwendet. Unser minimum follow up lag bei 12 Jahren. Bei dem hier untersuchten Patientenkollektiv wurde der Aktivitätslevel anhand des UCLA-Scores und des HHS (Harris Hip Score) ermittelt, die Kobalt und Chromwerte mittels der Atom-absorptionsspektroskopie bestimmt.
Es ergaben sich keine signifikanten Unterschiede in Bezug auf die Metallionenkonzentration zwischen den beiden Gruppen und somit auch keine positive Korrelation zwischen Metallabrieb und erhöhter sportlicher Aktivität.
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Metal on Metal Total Hip Replacement in younger sportive patients: A contraindication?
Eingegangen am 13. Oktober 2009, angenommen am 14. Oktober 2009
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Grabmeier, G., Berger, C.E., Seidl, S. et al. Endoprothetische Versorgung der Hüfte mit einer Metallgleitpaarung bei sportlich aktiven Patienten: Eine Kontraindikation?. Sportmed Präventivmed 39, 16–18 (2009). https://doi.org/10.1007/s12534-009-0063-5
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DOI: https://doi.org/10.1007/s12534-009-0063-5