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MINERVA ORTOPEDICA E TRAUMATOLOGICA
A Journal on Orthopedics and Traumatology
Minerva Ortopedica e Traumatologica 2011 April;62(2):55-62
One hundred uncemented total hip arthroplasties: medium and long term outcome analysis
Mortera S. 1, La Russa M. 1, Rossi R. 2, Bruzzone M. 1, Marenco S. 1, Bellato E. 1, Marini E. 1
1 SCDU Ortopedia e Traumatologia, Ospedale Mauriziano Umberto I, Torino, Italia
2 SCDU Ortopedia e Traumatologia, Università degli Studi di Torino, Torino, Italia
aim. The analysis of results in the medium and long term of a series of more than 100 ABGII (Stryker Howmedica) hip arthroplasties allowed us to assess the prosthesis’ validity and the residual pain possible presence.
Methods. Between October 1999 and December 2004 113 ABGII cementless consecutive total hip replacements at the Mauriziano “Umberto I” hospital in Turin have been performed; 100 replacements (88 patients) were reviewed clinically and radiographically; the mean duration of the follow-up was 7.72 years.
Results. Chronic pain was found in 41% of cases; in most of them it was located in the trochanteric zone, largely unrelated with charge and it was defined “mild” and not disabling; 19% of the examined patients referred thigh pain. It was also found a high failure rate of the prosthetic implant (6%).
Conclusion. In conclusion, this implant is successful in a medium and long term analysis, however it is still present an excessive incidence of residual pain, probably related to the anatomical design of the stem, without showing significant radiographic correlations