The era of cortical bone trajectory screws in spine surgery: a qualitative review with rating of evidence

F Cofano, N Marengo, M Ajello, F Penner, M Mammi… - World Neurosurgery, 2020 - Elsevier
The use of cortical bone trajectory (CBT) pedicle screws for posterior fixation and fusion
seems to constitute a viable alternative for spinal procedures, with the potential to mitigate …

[HTML][HTML] Cortical bone trajectory screws in the treatment of lumbar degenerative disc disease in patients with osteoporosis

S Guo, K Zhu, MJ Yan, XH Li, J Tan - World Journal of Clinical …, 2022 - ncbi.nlm.nih.gov
Lumbar degenerative disc disease (DDD) in the elderly population remains a global health
problem, especially in patients with osteoporosis. Osteoporosis in the elderly can cause …

Biomechanical changes of adjacent and fixed segments through cortical bone trajectory screw fixation versus traditional trajectory screw fixation in the lumbar spine: a …

L Zhang, HM Li, R Zhang, H Zhang, CL Shen - World neurosurgery, 2021 - Elsevier
Objective The finite element method was used to investigate the biomechanical adjustments
of adjacent and fixed segments after lumbar fusion and fixation with traditional trajectory (TT) …

A comparison between cortical bone trajectory screws and traditional pedicle screws in patients with single-level lumbar degenerative spondylolisthesis: five-year …

JW Kwon, Y Park, BH Lee, SY Park, CK Lim, JH Yang… - Spine, 2023 - journals.lww.com
Study Design. A retrospective observational study. Objective. This study investigated the
clinical and radiological results of using cortical bone trajectory (CBT) screws versus …

Cortical bone trajectory screws used to save failed traditional trajectory screws in the osteoporotic lumbar spine and vice versa: a human cadaveric biomechanical …

RJ Zhang, HM Li, H Gao, CY Jia, T Xing… - … of Neurosurgery: Spine, 2019 - thejns.org
OBJECTIVE Traditional trajectory (TT) screws are widely used in lumbar fixation. However,
they may require revision surgery in some instances, especially in patients with osteoporotic …

[HTML][HTML] Cortical bone trajectory fixation cause low compression force in anterior vertebral column

S Fujiwara, Y Ohnishi, K Iwatsuki, H Kishima - North American Spine …, 2022 - Elsevier
Background The cortical bone trajectory (CBT) screws follow a caudocephalad and lateral
path from the pedicle to the vertebral body. The bone fusion rate of CBT fixation is equal to …

[HTML][HTML] Associations between the hounsfield unit values of different trajectories and bone mineral density of vertebrae: cortical bone and traditional trajectories

RJ Zhang, HM Li, H Gao, CY Jia, T Xing… - American journal of …, 2020 - ncbi.nlm.nih.gov
Cortical bone trajectory (CBT) is widely used in orthopedic surgery to improve fixation while
minimizing soft tissue dissection. This study used radiological methods to assess the …

Comparison of pullout strength of pedicle screws following revision using larger diameter screws

V Varghese, V Krishnan, GS Kumar - Medical engineering & physics, 2019 - Elsevier
Pedicle screw fixation and fusion are the gold standard for the treatment of spinal instability.
Screw failures such as pullout and breakages have been reported during the past several …

A parametric investigation on traditional and cortical bone trajectory screws for transpedicular fixation

TT Chung, CL Chu, DY Hueng, SC Lin - BMC Musculoskeletal Disorders, 2022 - Springer
Background Many studies have been conducted to compare traditional trajectory (TT) and
cortical bone trajectory (CBT) screws; however, how screw parameters affect the …

[HTML][HTML] Cortical trajectory screw fixation in lumbar spine surgery: a review of the existing literature

KT Kim, MG Song, YJ Park, DY Lee… - Asian Spine …, 2021 - pmc.ncbi.nlm.nih.gov
Posterior lumbar fusion is a safe and effective surgical method for diseases, such as lumbar
stenosis, spondylolisthesis, lumbar instability, spinal deformity, and tumor. Pedicle screw …