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. 2006 Feb;30(1):31-4.
doi: 10.1007/s00264-005-0021-7. Epub 2005 Nov 8.

Early polyethylene wear and osteolysis with ABG acetabular cups (7- to 12-year follow-up)

Sachin Badhe  1 , Peter Livesley
Affiliations

Early polyethylene wear and osteolysis with ABG acetabular cups (7- to 12-year follow-up)

Sachin Badhe et al. Int Orthop. 2006 Feb.

Abstract
in English, French

We reviewed 81 consecutive ABG I primary total hip replacements implanted in 72 patients between January 1993 and December 1998. The mean follow-up was 8.2 (range 7-12) years. There was significant polyethylene wear and osteolysis associated with the acetabular cup . The cumulative survival of the cup with revision being the end point at 8.2 years was 95.1% (95% CI: 92-97.6%). However, the cumulative survival of the cup with revision and aseptic loosening together was 72% (95% CI: 61-78%) and survival of the acetabular liner for wear was 62% (95% CI: 48-74%). Stem survival with revision being the end point was 100%. In spite of significant radiological failures of the cups, most patients remained asymptomatic. Though results of the ABG stems in this series were good, we advocate a regular follow-up of all these hips in view of the poor outcome of the cups.

Nous avons examiné 81 prothèses totales primaires consécutives de la hanche de type ABG I chez 72 malades opérés entre janvier 1993 et décembre 1998. Le suivi moyen était de 8,2 ans (7–12 ans). Il y avait une usure notable du polyéthylène avec ostéolyse cotyloidienne . La survie à 8,2 ans de la cupule acétabulaire avec une révision comme événement final est de 95,1% (95% CI:92–97.6). Cependant la survie cumulative de la cupule acétabulaire avec révision ou descellement aseptique est de 72% (95% CI:61–78%) et la survie des inserts acétabulaires pour usure est de 62% (95% CI:48–74%). La survie de la tige avec révision comme événement final est de 100%. Malgré les échecs radiologiques des cupules, la plupart des malades sont restées asymptomatiques. Bien que les résultats des tiges ABG dans cette série soient bons, nous préconisons une surveillance régulière de ces prothèses vu le résultat médiocre des cupules cotyloidiennes.

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Figures

Fig. 1
Fig. 1
ABG acetabular cup showing significant superolateral polyethylene wear
See this image and copyright information in PMC

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