Zusammenfassung
Hintergrund
Höhergradige azetabuläre Defekte stellen den Operateur in der Revisionsendoprothetik zunehmend vor Herausforderungen.
Ziel
In der vorliegenden Übersichtsarbeit soll die Versorgungsoption des individuellen Beckenteilersatzes bei ausgedehnten Knochenverlusten im Bereich des Azetabulums vorgestellt und die Vor- und Nachteile diskutiert werden.
Material und Methoden
In einer selektiven Literaturrecherche wurden die Ergebnisse der individuell angefertigten Beckenteilersätze mit ihren Vor- und Nachteilteilen zusammengestellt und diskutiert.
Ergebnisse
In den letzten Jahren haben die Publikationen über individuelle Beckenteilersätze bei ausgeprägten azetabulären Defekten deutlich zugenommen. Die in der Literatur durchschnittlich angegebene Überlebensrate liegt bei >90 %, bei einem Nachuntersuchungszeit von mindestens 2 Jahren.
Die Literatur zeigt, dass der individuelle Beckenteilersatz eine stabile und zuverlässige Versorgung von Patienten mit Knochendefekten Grad III a/b nach Paprosky oder III–V der AAOS erlaubt. Die individuelle Konstruktion der Implantate ermöglicht die Rekonstruktion des Rotationszentrums. Allerdings sind Planung und Vorbereitung dieser Eingriffe mit einem hohen Zeitaufwand verbunden und die Kosten für die Anfertigung eines individuellen Implantates sind nicht unerheblich.
Schlussfolgerung
Der individuelle Beckenteilersatz wird zunehmend für die Versorgung von höhergradigen azetabulären Defekten eingesetzt und stellt nach dem aktuellen Stand der Literatur eine zuverlässige Versorgungsoption dar.
Abstract
Background
Management of acetabular bone loss is a demanding problem in revision total hip arthroplasty.
Objectives
The aim of this review is to introduce and discuss the results and the advantages and disadvantages of custom-made implants as a treatment option for severe acetabular bone defects.
Materials and methods
A selective review of the existing literature of custom made acetabular implants was performed on PubMed.
Results
Studies showed good clinical and radiological outcomes of custom made acetabular implants and a survival rate of more than 90%.
Conclusion
Custom-made acetabular implants are a reliable treatment option for severe acetabular defects and allow the reconstruction of the centre of rotation of the hip. The costs of these implants are high and planning is time consuming.
Abbreviations
- AAOS:
-
American Academy of Orthopaedic Surgeons
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von Lewinski, G. Individuell angepasster Beckenteilersatz in der Hüftgelenksrevision. Orthopäde 49, 417–423 (2020). https://doi.org/10.1007/s00132-020-03909-5
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DOI: https://doi.org/10.1007/s00132-020-03909-5