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Bassam Dabbous, Daniel Brown, Abraham Tsitlakidis, Vasileios Arzoglou
OBJECTIVE: The objective of this study is to review the clinical outcomes of a novel minimally invasive surgery (MIS) technique for the treatment of instability of the lumbar spine using the cortical bone trajectory (CBT). We present a prospective review of the clinical outcomes from the first 25 consecutive cases in a single unit during the initial learning phase. MATERIALS AND METHODS: The investigation group included the first 25 patients (eight males and 17 females) who underwent MIDLF® since the introduction of this technique in a single unit...
July 2016: Acta Neurochirurgica
Masaki Mizuno, Keita Kuraishi, Yasuyuki Umeda, Takanori Sano, Masanori Tsuji, Hidenori Suzuki
A novel cortical bone trajectory (CBT) screw technique provides an alternative fixation technique for lumbar spine. Trajectory of CBT screw creates a caudo-cephalad path in sagittal plane and a medio-lateral path in axial plane, and engages cortical bone in the pedicle. The theoretical advantage is that it provides enhanced screw grip and interface strength. Midline lumbar fusion (MIDLF) is composed of posterior midline approach, microsurgical laminectomy, and CBT screw fixation. We adopted the MIDLF technique for lumbar spondylolisthesis...
2014: Neurologia Medico-chirurgica
Analiz Rodriguez, Matthew T Neal, Ann Liu, Aravind Somasundaram, Wesley Hsu, Charles L Branch
OBJECT: Symptomatic adjacent-segment lumbar disease (ASLD) after lumbar fusion often requires subsequent surgical intervention. The authors report utilizing cortical bone trajectory (CBT) pedicle screw fixation with intraoperative CT (O-arm) image-guided navigation to stabilize spinal levels in patients with symptomatic ASLD. This unique technique results in the placement of 2 screws in the same pedicle (1 traditional pedicle trajectory and 1 CBT) and obviates the need to remove preexisting instrumentation...
March 2014: Neurosurgical Focus
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