Background: It is theorized that pedicle screws could be placed into the anterior vertebral
cortex to increase biomechanical strength by 20% to 25%. Although stereotactic …

Object Pedicle screws placed in the thoracic, lumbar, and sacral spine occasionally come in
contact with the aorta, vena cava, or iliac vessels. When such screws are seen on …

Study Design. A retrospective evaluation of anterior instrumentation of the vertebral bodies
in the thoracolumbar spine. Objective. To evaluate the possibility of preserving the …

Parameters of the position of the aorta in previous reports were determined for anterior
surgery. This study evaluated the relative position of the aorta to the spine by new …

Pedicle Screws Adjacent to the Aorta: Is Prone CT Scan Helpful? - The Spine Journal Skip to
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Study Design. Retrospective case series. Objective. Evaluate the incidence and clinical
significance of vascular encroachment resulting from freehand placement of pedicle screws …

Pedicle screw constructs are widely used in spinal surgery because of their superior
biomechanical properties, which enhance fusion rates and enable early painfree …

Background context To our knowledge, no large series comparing the risk of vertebral artery
injury by C1–C2 transarticular screw versus C2 pedicle screw have been published. In …

Purpose Detailed knowledge of the anatomy of the thoracic aorta is crucial for
thoracolumbar spinal surgery. The purpose of the present study is to describe the relative …

Study Design. Retrospective analysis. Objective. We evaluated the aorta safety in placement
of a right pedicle screw in scoliotic patients. Summary of Background Data. Past reports …