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Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_5 | Pages 11 - 11
1 Feb 2016
Merloz P Ruatti S Dubois C Chipon E Kerschbaumer G Milaire M Moreau-Gaudry A Tonetti J Dao Lena S
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Introduction

We report a single-centre, prospective, randomised study for pedicle screw insertion, by using a Computer Assisted Surgery (CAS) technique with three dimension (3D) intra-operative images intensifier versus conventional surgical procedure.

Methods

143 patients (68 women and 75 men) were included in this study. 72 patients underwent conventional surgery (C = conventional). 71 patients were operated on with the help of a 3D intra-operative imaging system (N = navigated). We performed 34 percutaneous surgeries in group N and 37 in group C; 25 open surgeries in group N and 35 in group C. 382 screws were implanted in group C and 174 in group N. We measured the pedicle screw running-time, and surgeon's radiation exposure. All pedicle runs were assessed according to Heary's classification by two independent radiologists on a post-operative CT.