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1 Acta of Bioengineering and Biomechanics

1 2009

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The reaction of the pelvis to the implantation of the acetabular component of the hip endoprosthesis - initial tests with the use of computerized tomography

Wodzisławski W., Krupa S., Nowicki J., Będziński R., Detyna J.

Acta of Bioengineering and Biomechanics

2009

Vol. 11, nr 4

45-54

Among the population over the age of 65 years joint diseases constitute more than 50% of chronic diseases and most often apply to the hip. Endoprosthetics is one of the methods for treating this condition and is considered one of the best - clinically and economically - interventions of the modern medicine. However, it is not free of complications among which the loosening of the endoprosthesis is commonest. In publications, a full discussion has been going on arguing whether the complication is caused by biological or mechanical factors. The authors - aiming to answer this question based on CT - tested the influence of the implantation of the acetabular component on the pelvic bone density in Hounsfield units within a 6-month period after the operation. The test results indicate the bone density decrease. The statistical analysis shows, however, that the changes are not statistically significant.