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Orthopaedics
Spondylolisthesis (AO Based)
Built from AO Surgery Reference: Spine Trauma, Degenerative, Tumors and Deformities (AO Foundation)
What’s inside
2 sections · 106 slides
Overview
- Introduction
- Spondylolisthesis in the AO reference
- Presentation and patients at risk
- Presentation and patients at risk
- Etiology and lumbosacral anatomy
- Etiology: Wiltse, Newman and Macnab
- Etiology: Wiltse, Newman and Macnab
- Dysplastic versus isthmic spondylolisthesis
- Lumbosacral anatomy relevant to surgery
- Lumbosacral anatomy relevant to surgery
- Clinical and radiographic evaluation
- Symptoms and clinical findings
- Plain x-ray signs
- Plain x-ray signs
- Lateral view: slip angle and dysplasia
- Lateral view: slip angle and dysplasia
- Meyerding grading of the slip
- Meyerding grading of the slip
- Normal sagittal alignment
- Normal sagittal alignment
- Sagittal balance and the SVA
- Sagittal balance and the SVA
- Measuring pelvic incidence
- Measuring pelvic incidence
- Pelvic parameters
- Pelvic parameters
- Further imaging and what it adds
- Further imaging and what it adds
- AO classification of spondylolisthesis
- Low grade types 1-3
- Low grade types 1-3
- High grade types 4-6
- High grade types 4-6
- AO type tree
- AO type tree
- Conditions as drawn by AO
- Nonoperative treatment
- Nonoperative treatment: content
- Nonoperative treatment: content
- Bracing and the pars block
- Bracing and the pars block
- Low grade spondylolisthesis: types 1-3
- Type 1: treatment options
- Type 1: treatment options
- Pars screw versus pedicle screw-rod repair
- Decision logic: type 1
- Type 2: treatment options
- Type 2: treatment options
- Type 3: treatment options
- Combined fusion: sequence of procedures
- Combined fusion: sequence of procedures
- High grade spondylolisthesis: types 4-6
- Types 4-6: surgical options
- Types 4-6: surgical options
- Decision logic: high grade types
- Decision logic: high grade types
- Levels of fixation in high grade slips
- Levels of fixation in high grade slips
- Anatomical pitfalls in high grade slips
- Anatomical pitfalls in high grade slips
- Positioning and surgical approaches
- Prone versus supine preparation
- Prone versus supine preparation
- Anesthesia, antibiotics and imaging set-up
- Wiltse approach: steps
- Wiltse approach: steps
- Retroperitoneal approach to L5-S1
- Retroperitoneal approach to L5-S1
- Anterior surgery: vascular planning
- Anterior surgery: vascular planning
- Operative techniques
- Primary repair with pars screw
- Primary repair with pars screw
- Pars screw: pitfalls and grafting
- Pars screw: pitfalls and grafting
- Primary repair with pedicle screw and rod
- Primary repair with pedicle screw and rod
- Anterior fusion of L5-S1: steps
- Anterior fusion of L5-S1: steps
- Anterior fusion: graft and fixation
- Anterior fusion: graft and fixation
- Posterior fusion of L5-S1 (low grade)
- Posterior fusion of L5-S1 (low grade)
- Posterior fusion: protecting the L5 root
- Posterior fusion: protecting the L5 root
- Pedicle screws: lumbar and S1 technique
- Pedicle screws: lumbar and S1 technique
- Reduction in high grade slips
- Reduction in high grade slips
- Optional reduction with Schanz pins
- Optional reduction with Schanz pins
- Iliac screw entry points
- Iliac screw entry points
- Iliac screw imaging and delta screws
- Iliac screw imaging and delta screws
Aftercare and complications
- Aftercare after fusion or repair
- Complications and their prevention
- Other intraoperative risks
- Other intraoperative risks
- Take-home messages
- References (1 of 4)
- References (2 of 4)
- References (3 of 4)
- References (4 of 4)
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