Abstract
Pedicle screw-based posterior instrumentation of the spine. Instability of the spine due to trauma, infection, degenerative spinal disease or tumor. None. Robot-assisted navigated pedicle screw placement. Early functional mobilization starting on the first postoperative day. Astudy by Lee etal. analyzed the clinical application of the system MazorX Stealth Edition (Medtronic Navigation, Louisville, CO, USA; Medtronic Spine, Memphis, TN, USA) in 186cases with atotal of 1445 pedicle screws [1]. Correct screw positioning was achieved in 1432 pedicle screws (99.1%); six pedicle screws (0.4%) were revised intraoperatively. The mean duration of pedicle screw placement was 6.1 ± 2.3 min. Pojskić etal. published acase series regarding the application of the system Cirq (Brainlab, Munich, Germany) in 13cases with atotal number of 70pedicle screws implanted [2]. Intraoperative imaging showed screw positioning according to the Gertzbein Robbins classification (GR) categoryA in 65screws (92.9%) and GRB in one screw (1.4%). Screw positioning GRD with intraoperative revision was reported in two screws (2.9%). Mean duration of pedicle screw placement was 08:27 ± 06:54 min.
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