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MINERVA ORTOPEDICA E TRAUMATOLOGICA
A Journal on Orthopedics and Traumatology
Minerva Ortopedica e Traumatologica 2011 August;62(4):247-51
Metha® uncemented stems: results
Camera A., Cattaneo G., Romano L., Tornago S., Carriere E., Bianco L.
Struttura Complessa di Chirurgia Protesica e del Reumatismo Articolare, Ospedale Santa Corona Pietra Ligure, Savona, Italia
Aim. Hip prosthesis surgery with tissue sparing brings us to experiment shorter and shorter stems to allow neck ‘s preservation and patient’s metaphyseal bone stock, of utmost importance especially in young patients.
Methods. In our center, during the period comprised between January 2007 and December 2010 157 Metha® uncemented stems were implanted. Among the patients (91 males and 66 females), 23 were under 50 years. The 85% of patients were checked at 40 days, 3, 6, 12 months during the first year and every two years thereafter. The aim of this paper was to present the preliminary clinical and radiographic results of this particular series of patients.
Results. In our series three stems where revised for aseptic loosening and one for septic loosening, in one case the cup needed to be revised (aseptic loosening) and, finally, a patient underwent re-intervention for heterotopic calcifications.
Conclusion. The abiding surgical techniques and material’s improvement encourages us to continue in this way the path of bone conservation, not only in young patients but also in those patients in which bone quality allows the placement of an uncemented stem, regardless of age registry.