Single versus separate registration for computer-assisted lumbar pedicle screw placement

Spine
Tao-Chen LeeHan-Jung Chen

Abstract

This is a retrospective study conducted to evaluate the efficacy of single versus separate registration in assessing the pedicle screw accuracy in the computer-assisted lumbar spinal instrumentation. To see if separate registration reduced lumbar pedicle screw misplacement. Computer-assisted spinal instrumentation has been shown to improve pedicle screw installation accuracy, but 2.7% to 8% of screws still perforate the pedicular cortex. Suspected causes include differences in lumbar lordosis between preoperative CT scans and surgery. Postoperative radiographs and CT scans were used to assess the accuracy of pedicle screw placement in 47 adult patients following computer-assisted lumbar spinal instrumentation. Twenty-two patients underwent single registration at one level, while the other 25 underwent registration at each level. The time required for a registration procedure on one level was 6 to 8 minutes, while the time required for application of a pedicle screw using computer-assisted techniques was an additional 6 to 10 minutes. The total number of screw placements was 118 in the single registration group and 130 in the separate registration group. In the former group, 85 (72%) pedicle screw placements were categorized as ...Continue Reading

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Citations

Sep 13, 2006·International Orthopaedics·Victor KosmopoulosConstantin Schizas
May 8, 2009·International Orthopaedics·Nai-Feng Tian, Hua-Zi Xu
Jan 22, 2011·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·J SilbermannM Gutberlet
Mar 7, 2013·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Ryoji TauchiNaoki Ishiguro
Feb 3, 2007·Spine·Victor Kosmopoulos, Constantin Schizas
May 4, 2010·Journal of Neurosurgery. Spine·Martin James Wood, Richard John Mannion
Mar 3, 2007·Journal of Neurosurgery. Spine·Rajesh K Bindal, Subrata Ghosh
Jun 21, 2006·Minimally Invasive Therapy & Allied Technologies : MITAT : Official Journal of the Society for Minimally Invasive Therapy·Xuan ZhangLutz-Peter Nolte
Jul 21, 2011·Neurosurgery·Hormuzdiyar H DasenbrockJean-Paul Wolinsky
Nov 27, 2014·The Journal of the American Academy of Orthopaedic Surgeons·Sheeraz QureshiEvan Baird
Jul 16, 2020·Medical Image Analysis·Houssem-Eddine GueziriD Louis Collins

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