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Revista de la Asociación Argentina de Ortopedia y Traumatología

On-line version ISSN 1852-7434

Abstract

LOPREITE, Fernando A. et al. Cementation and its possible relation to acute infaction in total hip arthroplasty. Rev. Asoc. Argent. Ortop. Traumatol. [online]. 2012, vol.77, n.1, pp. 45-51. ISSN 1852-7434.

Background: The cementation during implantation of primary THA may generate thermal effecton the spongy bone, which could cause a bone necrosis and a micro environment for bacterial development and thus encourage the development of an acute infection. Methods: We have reviewed 389 primary THA made in our Center. The median age was 36.7 months follow-up and 68 years. Seventy-five THA corresponded to cemented prosthesis (19.3%), 164 a hybrid (42%) and 150 to uncemented (38.5%). Results: There were four cases of infection, 2 in hybrid prosthesis (1.2%) and 2 in cemented (2.7%) being in the latter group statistically significant incidence in women 75 years on average. In the uncemented group no were infections. Conclusions: It have been demonstrated that the thermal heat cementation in the spongy bone is dose and time-dependent. This would encourage bacterial development. Reduce the proportion of infections, as well as with the decline of surgical time and the use of uncemented prosthesis has been achieved with the introduction of the ATB in cement. While the size of our series makes that the differences are not statistically significant, it was observed a trend in the incidence of infections with the use of cemented prosthesis.

Keywords : Acute infection in THA; Cemented hip prosthesis; Cement with antibiotic; Thermal action of cement.

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