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JOURNAL OF NEUROSURGICAL SCIENCES

A Journal on Neurosurgery


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THERAPEUTICAL NOTE  


Journal of Neurosurgical Sciences 2017 June;61(3):335-41

DOI: 10.23736/S0390-5616.16.03230-6

Copyright © 2016 EDIZIONI MINERVA MEDICA

language: English

Maximal access surgery for posterior lumbar interbody fusion with divergent, cortical bone trajectory pedicle screws: a good option to minimize spine access and maximize the field for nerve decompression

Oliver P., GAUTSCHI 1, Diego GARBOSSA 2, Enrico TESSITORE 1, Francesco LANGELLA 3, Michele F. PECORARO 2, Nicola MARENGO 2, Marco BOZZARO 2, Joshua BECKMAN 4, Pedro BERJANO 5

1 Service of Neurosurgery, Department of Clinical Neurosciences, Faculty of Medicine, University Hospital of Geneva, Geneva, Switzerland; 2 Division of Neurosurgery, Department of Neurosciences and Mental Health, University of Turin, Turin, Italy; 3 Division of Orthopedics, Faculty of Medicine and Surgery, Second University of Naples, Naples, Italy; 4 Department of Neurosurgery and Brain Repair, Morsani College of Medicine, University of South Florida, Tampa, FL, USA; 5 IV Spine Surgery Division, Galeazzi Orthopedic Institute for Scientific Research, Milan, Italy


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BACKGROUND: First advocated by Santoni et al. in 2009, the cortical bone trajectory pedicle screw technique is an alternative to the traditional, convergent technique that shows comparable biomechanical features and potentially requires less aggressive tissue retraction. Aim of this therapy note is to describe this new technique focusing on main advantages and limitations.
METHODS: The authors provide a detailed description of the surgically relevant anatomy focusing on the positioning of the cortical trajectory screws. The surgical technique is then described in a precise step-by-step manner, stressing complication avoidance.
RESULTS: The maximal access surgery posterior lumbar interbody fusion approach is a safe, reproducible procedure allowing for a traditional lumbar spine approach with the benefits of minimal facet joint manipulation and potentially preserving part of their neural innervation and a large part of the paraspinous musculature.
CONCLUSIONS: A dedicated self-retaining retractor and directional neuromonitoring may guide surgeons during the procedure. Nevertheless, the surgeon’s knowledge of anatomical landmarks, response to visual and tactile cues and intraoperative decision-making skills remain of paramount importance.


KEY WORDS: Minimally invasive surgical procedures - Spinal fusion - Pedicle screws

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Publication History

Issue published online: March 29, 2017
Article first published online: June 17, 2015
Manuscript accepted: June 12, 2015
Manuscript revised: June 8, 2015
Manuscript received: February 8, 2015

Cite this article as

Gautschi OP, Garbossa D, Tessitore E, Langella F, Pecoraro MF, Marengo N, et al. Maximal access surgery for posterior lumbar interbody fusion with divergent, cortical bone trajectory pedicle screws: a good option to minimize spine access and maximize the field for nerve decompression. J Neurosurg Sci 2017;61:335-41. DOI: 10.23736/S0390-5616.16.03230-6

Corresponding author e-mail

nicola.marengo@gmail.com