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Erschienen in: Der Orthopäde 8/2016

01.06.2016 | Hüftdysplasie | Originalien

Periazetabuläre Osteotomie nach Ganz

Indikationen, Technik und Ergebnisse 30 Jahre nach Erstbeschreibung

verfasst von: T. D. Lerch, S. D. Steppacher, E. F. Liechti, K. A. Siebenrock, Prof. Dr. M. Tannast

Erschienen in: Die Orthopädie | Ausgabe 8/2016

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Zusammenfassung

Die Berner periazetabuläre Osteotomie (PAO) nach Ganz ist eine Operationstechnik zur Behandlung der (1) Hüftdysplasie und des (2) femoroazetabulären Impingements bei einer ausgeprägten azetabulären Retroversion mit dem Ziel, eine sekundäre Coxarthrose zu verhindern oder zumindest herauszuzögern. Im Unterschied zu anderen Beckenosteotomien bleibt der hintere Pfeiler intakt, was die primäre Stabilität der Reorientierung erhöht und den Geburtskanal nicht verändert. Über eine geschwungene verkürzte ilioinguinale Inzision werden vier Osteotomien und eine kontrollierte Fraktur durchgeführt, was eine Reorientierung des Azetabulums mit großem Freiheitsgrad erlaubt. Während die Sequenz der Osteotomien für beide Indikationen identisch ist, unterscheidet sich aber die Reorientierung des Azetabulums. Der Zugang gestattet zudem eine anteriore Kapsulotomie mit femoraler Offset-Korrektur. Obwohl die Operation technisch anspruchsvoll ist, ist die Komplikationsrate verhältnismäßig klein. Der Schlüssel für ein erfolgreiches Langzeitergebnis liegt in der optimalen Reorientierung des Azetabulums bei beiden Indikationen. Klinisch kann mit einer guten azetabulären Einstellung in 80–90 % der Fälle ein gutes bis sehr gutes Resultat nach 10 Jahren erzielt werden. Die kumulative Überlebensrate der weltweit ersten Hüften 20 Jahre nach PAO liegt bei 60 %. Die vorläufige Evaluation derselben Serie nach 30 Jahren zeigt eine Überlebensrate von etwa 30 %. Die PAO hat sich zu einer standardisierten Therapie der Hüftdysplasie bei Adoleszenten und Erwachsenen etabliert.
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Metadaten
Titel
Periazetabuläre Osteotomie nach Ganz
Indikationen, Technik und Ergebnisse 30 Jahre nach Erstbeschreibung
verfasst von
T. D. Lerch
S. D. Steppacher
E. F. Liechti
K. A. Siebenrock
Prof. Dr. M. Tannast
Publikationsdatum
01.06.2016
Verlag
Springer Berlin Heidelberg
Erschienen in
Die Orthopädie / Ausgabe 8/2016
Print ISSN: 2731-7145
Elektronische ISSN: 2731-7153
DOI
https://doi.org/10.1007/s00132-016-3265-6

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