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La fijación protésica de la hidroxiapatita

Authors: Murcia Mazón, Antonio; Paz Jiménez, José; Maestro Fernández, Antonio;

La fijación protésica de la hidroxiapatita

Abstract

En el presente trabajo se analiza la experiencia de dos hospitales tras la colocación de un total de 810 artroplastias totales de cadera sin cementar utilizando un implante con recubrimiento de hidroxiapatita. Los datos epidemiológicos fueron en el 65.3% de los casos una coxartrosis primaria, y el motivo de la intervención fue para 83.27% de los pacientes el dolor. Se registraron un total de siete infecciones profundas y dolor en el muslo en 27 pacientes (3.33%), siendo en la mitad de ellos en el postoperatorio inmediato y que se asoció con un hundimiento en los primeros meses del postoperatorio fueron rellenadas y desapareciendo con el paso del tiempo, lo que se ha interpretado como uno de los efectos beneficiosos de la hidroxiapatita (la osteoconducción), comprobándose su desaparición entre la 8 y la 10 semana. Los hallazgos encontrados en el presente trabajo nos permite afirmar que el recubrimiento de la superficie de los implantes con hidroxiapatita es beneficioso, ya que se consigue una mejor y más temprana fijación del implante por el hueso receptor.

We assessed the results alter 810 total hip arthroplasties with no cementation using an implant with hidroxyapatite coating in two different hospitals. The index procedure was indicated in primary hip osteoarthritis in 65.3% of the cases, and pain was the reason for operation in 83.2% of cases. Seven deep infections were recorded. Thigh pain was present in twenty-seven patients (3,3%), half of them during the immediate postoperative period associated with a collapse of femoral component (between 2 and 3 mm). Initial radiolucency areas were progressively filled and disappeared. This phenomenon has been interpreted as one of the beneficial features of hidroxypatite (osteoconduction); total disappearance occurs between the 8th and 10th weeks. These findings allow us to state the benefit of implant surface coating with hidroxiapatite, since it favours a better and earlier implant to bone fixation.

Keywords

Medicina clínica, UNESCO::CIENCIAS MÉDICAS, :CIENCIAS MÉDICAS [UNESCO], Ciencias de la salud

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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