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MINERVA ORTOPEDICA E TRAUMATOLOGICA
A Journal on Orthopedics and Traumatology
UPDATES ON KNEE ARTHROPLASTY 102nd CONGRESS OF THE PIEMONTESE-LIGURIAN-LOMBARD SOCIETY OF ORTHOPEDICS AND TRAUMATOLOGY (S.P.L.L.O.T.) - Brescia September 9-10, 2005
NEW TECHNOLOGIES, MODERN INSTRUMENTARIUM IN ARTHROPLASTIC SURGERY
Minerva Ortopedica e Traumatologica 2005 August;56(4):225-9
Minimal invasive solution with unicompartimental knee replacement
Palermo A. 1,2, Grilli F. 1, Guelfi M. 1, Borgni M. 1, Priano F. 1
1 Casa di Cura Villa Montallegro, Genova
2 Gruppo Policlinico di Monza, Monza
Aim. The one-compartment prosthesis has many advantages compared to the total knee prosthesis. The advantages are less bleeding and better knee joint function. This surgical procedure is generally less aggressive with regard to the soft tissues and guarantees greater preservation of the bone complement. Diffe-rent one-compartment prosthesis designs correct the inconsistency of the joint surfaces, preserving a smaller area of contact between prosthesis components. The design of the BUK prosthesis is different from other one-compartment prostheses because the femoral component is broader. This facilitates correct implantation according to the mechanical axis and, as a result of the quality of the ARCOM tibial polyethylene, does not increase wear from detritus. The aim of this study is to demonstrate the greater ease of the BUK prosthesis implantation technique and the possibility of carrying out a mini-invasive approach.
Methods. Between July 2004 and June 2005, 56 one-compartment BUK prostheses were carried out in 56 patients (14 male and 42 female).
Results. The follow-up is still limited to be able to speak of results other than in the short term.
Conclusion. The authors believe that at the time of writing this prosthesis is relatively easy to carry out, topical because of the possibility of using mini-invasive techniques and for knee biomechanics. The ever growing demand for modularity in knee prostheses suggests the possibility even with this type of implant, of carrying out combined prostheses of the medial and femoro-patellar compartment where necessary.