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Patellofemoraler Ersatz und Schlittenprothese

Unicondylar knee and patellofemoral joint replacement

  • Leitthema
  • Published:
Arthroskopie Aims and scope

Zusammenfassung

Hintergrund

Etwa 20 % aller Patienten sind nach einem totalen Kniegelenkersatz mit dem Operationsergebnis unzufrieden.

Fragestellung

Stellt die individualisierte Versorgung eine Möglichkeit dar, die Gesamtzufriedenheit zu steigern?

Material und Methode

Als Alternative zum totalen Kniegelenkersatz führten wir eine doppelblind randomisierte Studie durch, die den totalen Kniegelenkersatz mit der Kombination „mediale Schlittenprothese und Patellofemoralersatz“ verglich. Je 40 Patienten mit medialer und patellofemoraler Gonarthrose wurden in die Studie aufgenommen. Präoperative Untersuchung, Indikationsstellung und Technik werden beschrieben.

Ergebnisse

Die klinischen Ergebnisse zeigten im postoperativen Verlauf eine signifikant bessere Kniegelenkbeweglichkeit der Kombination mediale Schlittenprothese und Patellofemoralersatz gegenüber dem totalen Kniegelenkersatz.

Schlussfolgerung

Unsere bisherigen Ergebnisse sind sehr vielversprechend und decken sich mit anderen Studien. Diese kurzfristigen Ergebnisse erfordern jedoch die Validierung in randomisierten Studien mit längeren Nachuntersuchungen.

Abstract

Background

After total knee replacement, 20% of the patients are dissatisfied with the surgical result.

Objectives

Can individualized operative treatment in knee replacement surgery help to raise the postoperative patient satisfaction level?

Materials and methods

We initiated a double-blind randomized study comparing the combination of unicondylar knee and patellofemoral joint replacement versus total knee replacement. Forty patients for each group with medial and patellofemoral arthritis were randomized. We report about preoperative investigation, indication, and technique.

Results

The analysis for postoperative range of motion was significantly higher in the group with the combination of unicondylar knee and patellofemoral joint replacement.

Conclusions

Our early results are very promising and coincide to earlier studies. Long-term investigations are necessary to validate our short-term outcome.

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Authors and Affiliations

  1. Klinik für operative Orthopädie, Sana-Kliniken Sommerfeld, Waldhausstraße 44, 16766, Kremmen, Deutschland

    A. Beier, D. Schrednitzki, A. Marx & A. M. Halder

  2. Orthopädische Universitätsklinik, Universitätsklinikum Magdeburg A.ö.R., Magdeburg, Deutschland

    C. Lohmann

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  1. A. Beier
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  2. D. Schrednitzki
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Correspondence to A. Beier.

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Interessenkonflikt

A. Beier und A. Halder geben an Beraterhonorare von DePuy und Zimmer zu erhalten. D. Schrednitzki, A. Marx und C. Lohmann geben an, dass kein Interessenkonflikt besteht.

Dieser Beitrag beinhaltet keine von den Autoren durchgeführten Studien an Menschen oder Tieren.

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Beier, A., Schrednitzki, D., Marx, A. et al. Patellofemoraler Ersatz und Schlittenprothese. Arthroskopie 30, 328–333 (2017). https://doi.org/10.1007/s00142-017-0164-8

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  • DOI: https://doi.org/10.1007/s00142-017-0164-8

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