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Revista Española de Cirugía Ortopédica y Traumatología (English Edition)
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Inicio Revista Española de Cirugía Ortopédica y Traumatología (English Edition) Catastrophic failure of the acetabular component in total hip arthroplasty
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Vol. 55. Issue 4.
Pages 298-301 (July - August 2011)
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Vol. 55. Issue 4.
Pages 298-301 (July - August 2011)
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Catastrophic failure of the acetabular component in total hip arthroplasty
Desgaste catastrófico del componente acetabular en prótesis total de cadera
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2112
P. Zorrilla
Corresponding author
pedrozorrillaribot@hotmail.com

Corresponding author.
, L.A. Gómez, J.A. Salido
Servicio de Traumatología y Cirugía Ortopédica, Hospital General Universitario de Ciudad Real, Ciudad Real, Spain
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Abstract
Objective

The final stages of the natural history of polyethylene wear in total hip arthroplasty by itself or dislodgement of the liner, may lead to catastrophic failure of the acetabular component. The objective is to analyse this preventable situation.

Material and methods

The medical histories of four patients with serious destruction of the acetabular component have been retrospectively analysed. The patients were all young, the polyethylene was less than 6mm and all of them experienced a delay in the polyethylene revision.

Discussion

Close radiographic monitoring of polyethylene wear is recommended, particularly when there are risk factors.

Conclusions

The potentially serious effects of delaying a revision operation until symptoms appear should be explained to patients, who frequently do not suffer any pain and are reluctant to undergo further operations.

Keywords:
Hip arthroplasty
Polyethylene wear
Acetabular component
Resumen
Objetivo

En su estadio final, el desgaste natural del polietileno en una prótesis total de cadera, tanto por sí mismo como por disociación con el componente metálico, puede conducir al fracaso catastrófico del cotilo y destrucción de la cavidad acetabular. El objetivo es analizar esta situación siempre evitable.

Material y métodos

Se analiza de forma retrospectiva la historia clínica de 4 pacientes con prótesis de cadera y graves destrucciones del componente acetabular. Tenían en común que eran pacientes jóvenes, el espesor del polietileno inferior a 6mm y que en todos se había demorado la intervención de recambio de éste.

Discusión

Se recomienda una estrecha monitorización radiológica del desgaste del polietileno especialmente si existe algún factor de riesgo.

Conclusiones

Los graves inconvenientes de demorar la revisión quirúrgica deben explicarse a los pacientes, que frecuentemente ante la ausencia de dolor están reticentes a aceptarla.

Palabras clave:
Artroplastia de cadera
Desgaste de polietileno
Componente acetabular
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Copyright © 2011. Sociedad Española de Cirugía Ortopédica y Traumatología (SECOT). All rights reserved
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