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CURRENT ISSUEMINERVA ORTOPEDICA E TRAUMATOLOGICA

A Journal on Orthopedics and Traumatology


Official Journal of the Piedmontese-Ligurian-Lombard Society of Orthopedics and Traumatology
Indexed/Abtracted in: EMBASE, Scopus, Emerging Sources Citation Index

 

Minerva Ortopedica e Traumatologica 2005 August;56(4):251-8

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 

 UPDATES ON KNEE ARTHROPLASTY

The Oxford III prosthesis: evolution of the technique and outcome reproducibility

Mascitti T., Lastroni G., Valsecchi L., Fracassetti A.

Struttura Complessa di Ortopedia e Traumatologia Ospedale Bolognini, Seriate, Bergamo

Aim. Introduced in September 1999, the unicompartmental Oxford III prosthesis is a further development of the phase I and II device with a fully congruent mobile meniscus bearing. The evolution of the materials from the preceding research phases has led to major modifications in the design of prosthesis components and surgical instrumentarium. The Oxford III prosthesis has 4 different sizes for the femoral component and an anatomic design for the tibial component. The dedicated instrumentarium permits implantation by minimally invasive procedures. The minimally invasive technique has the advantage that joint function is rapidly recovered, with shorter rehabilitation time, fewer complications and lower costs.
Methods. From March 2001 to March 2005, 61 patients treated at the Orthopedics and Trau-matology Department of the Bolognini Hospital, Seriate, for medial gonarthosis (63 knees) of various severity received an Oxford III unicompartmental prosthesis.
Results. The short- and mid-term results were in line with the positive outcomes reported in the literature. On average, recovery of joint function and self-sufficiency were attained by the fourth postoperative day. Postoperative evaluation as measured by the Hospital for Special Surgery knee score at 40 days was good to excellent, with a preoperative score of 56 versus a postoperative score of 93. Hypercor-rection occurred in 1 case; the prosthesis was removed in 1 patient due to sepsis complications.
Conclusion. The minimally invasive technique did not diminish the precision of implant positioning in 86% of cases. The results showed that, when correctly indicated, the Oxford III prosthesis is the treatment of choice in patients with medial gonarthrosis.

language: Italian


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