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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

Ferquency: Quarterly

ISSN 0026-4911

Online ISSN 1827-1707

 

Minerva Ortopedica e Traumatologica 2005 August;56(4):145-51

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 HIP ARTHROPLASTY

Three dimensional preoperative planning in hip replacement

Marinoni E. C., Trevisan C., Castoldi G., Morganti A., M. Mattavelli, Nava V.

Clinica Ortopedica Università degli Studi di Milano Bicocca Azienda Ospedaliera S. Gerardo, Monza, Milano

Aim. Correct reconstruction of a rotation center in hip replacement and accurate positioning of prosthesis components reduce the risk of implant failure. In difficult cases, routine preoperative planning on x-ray films may not provide the surgeon with sufficient information to achieve effective implant placement. Intro-duced with individualized prosthesis design, three dimensional planning permits efficacious preoperative planning even in complex cases. The authors report their experience with three-dimensional planning of hip replacement with individualized prostheses.
Methods. The subjects were 22 consecutive patients (6 men, 16 women; mean age, 58 years; range, 31-79) who underwent hip replacement with an individualized prosthesis (Symbios, Iverdon, Switzerland). The mean time from surgery to the last control visit was 24 months (range, 10-37).
Results. In this consecutive patient series, no intra- or early postoperative complications were observed. All operations were completed according to the treatment plan. At a mean postoperative follow-up of 24 months, outcomes as rated by the Harris Hip Score were good to excellent in 18 patients (81%), fair in 3 (14%) and poor in 1 (5%). Radiographic evaluation according to Engh showed that 20 patients had a score >10, which was a sure indication of osteointegration, and 2 had a score >0, which suggested probably osteointegration of the implant.
Conclusion. Based on our results, three dimensional planning provided the surgeon with better information about anatomic structures and potential difficulties to be averted.

language: Italian


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