Acta Ortopédica Mexicana

Gómez-Robledo J
Three successive fractures of different hip femoral stems on the same patient
Acta Ortop Mex 2016; 30 (3)

Language: Español
References: 11
Page: 138-143
PDF: 298.01 Kb.

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ABSTRACT

The clinical case of an 80-year-old female who suffered three fractures in uncemented stems implanted in her right hip in a period of three years is presented. A fracture occurred in the prosthetic neck and the other two at the juncture of the conical and cylindrical stem portion, coinciding with the metaphyseal-diaphyseal junction of the femur. The main causes of the failure were an increasing concentration of forces at the level of the implant as a consequence of the increased length of the neck and lateralization of the femur (offset). Other causes that have contributed to this prosthetic failure are analyzed.


Key words: Replacement, hip, femoral stem, failure, hydroxyapatite.


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