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Online ISSN 1827-1707
98° CONGRESS OF THE PIEDMONTESE-LIGURIAN-LOMBARD SOCIETY OF ORTHOPEDICS AND TRAUMATOLOGY (SPLLOT) (Loano, October 19-20, 2001)
ORTHOPEDIC AND TRAUMATOLOGIC SURGERY OF THE HIP
Massari L., Biscione R., De Rito G.
The authors report their experience in the densitometric evaluation of the femoral periprosthetic bone remodelling around uncemented hip implants. They analyze the literature and discuss the indications and the results considering the clinical use of the periprosthetic denistometric analysis in the follow-up of cementless hip implants. They also emphasize to take care about the subdivision of the region of interest in order to have a good reproducibility and reliability. The rationale of the periprosthetic densitometric analysis should be to perform prospective studies in each type of implant in order to rule out the periprosthetic bone changes depending to the design, the material and the biomechanical type of implant. It is well known that the Co-Chrome alloy press-fit stems cause more proximal reabsorbing than the titanium alloy fit-and-fill ones. Itherwise it should be necessary to design a ''reference curve'' for each type of prosthetic stem.