PapersFlow Research Brief
Spinal Fractures and Fixation Techniques
Research Guide
What is Spinal Fractures and Fixation Techniques?
Spinal fractures and fixation techniques refer to injuries involving vertebral breaks in the spine and surgical methods such as vertebroplasty, pedicle screw fixation, kyphoplasty, and robotic-assisted surgery to stabilize and repair them.
This field encompasses 81,244 papers on advancements in spine surgery for conditions like thoracolumbar spinal injuries, cervical spine injury, and osteoporotic compression fractures. Key techniques include percutaneous vertebroplasty, navigation techniques, and pedicle screw fixation, with prominent focus on biomechanics. Growth data over the past 5 years is not available.
Topic Hierarchy
Research Sub-Topics
Percutaneous Vertebroplasty for Osteoporotic Fractures
Randomized trials assess pain relief, vertebral height restoration, and adjacent fracture risk with PMMA cement injection. Studies compare vertebroplasty to conservative management and sham procedures.
Pedicle Screw Fixation Biomechanics
Researchers use cadaveric and finite element models to study screw pullout strength, loosening mechanisms, and augmentation techniques. Focus includes osteoporosis effects and trajectory optimization.
Kyphoplasty Outcomes in Vertebral Compression Fractures
Meta-analyses compare kyphoplasty to vertebroplasty for kyphosis correction, cement leakage, and quality-of-life improvements. Long-term studies evaluate refracture incidence and cost-effectiveness.
Thoracolumbar Spinal Fracture Classification Systems
This area evaluates AO, TLICS, and Load-Sharing systems for guiding surgical versus non-operative treatment. Validation studies assess interobserver reliability and prognostic accuracy.
Robotic-Assisted Spine Surgery Techniques
Research examines accuracy of pedicle screw placement, radiation reduction, and learning curves with systems like Mazor and da Vinci. Comparative effectiveness trials versus freehand techniques are prominent.
Why It Matters
Spinal fractures and fixation techniques enable precise classification and management of injuries, improving outcomes in trauma cases. Denis (1983) introduced the three-column spine concept from a study of 412 thoracolumbar injuries, distinguishing the middle osteoligamentous complex to guide surgical fixation and predict stability. Magerl et al. (1994) provided a comprehensive classification of thoracic and lumbar injuries, facilitating standardized treatment planning in over 2000 citations. Standards like Kirshblum et al. (2011) revised international protocols for neurological classification of spinal cord injury, used by the American Spinal Injury Association to assess 63 asymptomatic subjects' scans in related cervical studies by Boden et al. (1990), aiding decisions on fixation versus conservative care.
Reading Guide
Where to Start
'The Three Column Spine and Its Significance in the Classification of Acute Thoracolumbar Spinal Injuries' by Francis Denis (1983), as it introduces the foundational three-column model from 412 cases, essential for understanding fracture stability before advanced techniques.
Key Papers Explained
Denis (1983) establishes the three-column concept in 'The Three Column Spine and Its Significance in the Classification of Acute Thoracolumbar Spinal Injuries', which Magerl et al. (1994) extend into a detailed system in 'A comprehensive classification of thoracic and lumbar injuries'. Kirshblum et al. (2011) update neurological standards in 'International standards for neurological classification of spinal cord injury (Revised 2011)', building on Maynard et al. (1997)'s functional classification. Glassman et al. (2005) apply these to deformity in 'The Impact of Positive Sagittal Balance in Adult Spinal Deformity', linking balance to fixation needs. Boden et al. (1990) contextualize cervical findings.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Current efforts focus on integrating biomechanics with navigation for percutaneous vertebroplasty and robotic-assisted pedicle screw fixation, though no recent preprints are available. Classifications like Magerl et al. (1994) remain central without new news coverage.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | The Three Column Spine and Its Significance in the Classificat... | 1983 | Spine | 2.5K | ✕ |
| 2 | Abnormal magnetic-resonance scans of the cervical spine in asy... | 1990 | Journal of Bone and Jo... | 2.5K | ✕ |
| 3 | THE RECURRENCE OF INTRACRANIAL MENINGIOMAS AFTER SURGICAL TREA... | 1957 | Journal of Neurology N... | 2.4K | ✓ |
| 4 | The value of postural reduction in the initial management of c... | 1969 | Spinal Cord | 2.3K | ✕ |
| 5 | International standards for neurological classification of spi... | 2011 | Journal of Spinal Cord... | 2.3K | ✓ |
| 6 | The Fourier reconstruction of a head section | 1974 | IEEE Transactions on N... | 2.1K | ✕ |
| 7 | Rockwood and Green’s fractures in adults. | 1997 | Journal of Bone and Jo... | 2.1K | ✓ |
| 8 | International Standards for Neurological and Functional Classi... | 1997 | Spinal Cord | 2.0K | ✓ |
| 9 | A comprehensive classification of thoracic and lumbar injuries | 1994 | European Spine Journal | 2.0K | ✕ |
| 10 | The Impact of Positive Sagittal Balance in Adult Spinal Deformity | 2005 | Spine | 1.9K | ✕ |
Frequently Asked Questions
What is the three-column spine concept in spinal fractures?
The three-column spine divides the vertebra into anterior, middle, and posterior columns, with the middle osteoligamentous complex between the posterior ligamentous complex and anterior longitudinal ligament. Francis Denis (1983) introduced this from a retrospective study of 412 thoracolumbar injuries in 'The Three Column Spine and Its Significance in the Classification of Acute Thoracolumbar Spinal Injuries'. It aids classification and determines injury stability for fixation techniques.
How are spinal cord injuries neurologically classified?
International standards for neurological classification of spinal cord injury, revised in 2011 by Kirshblum et al., provide protocols published by the American Spinal Injury Association. These standards assess sensory and motor function to grade injury severity. Earlier versions like Maynard et al. (1997) established foundational functional classifications.
What role does sagittal balance play in spinal fixation?
Positive sagittal balance in adult spinal deformity worsens symptoms linearly with increasing imbalance, as shown by Glassman et al. (2005) in 'The Impact of Positive Sagittal Balance in Adult Spinal Deformity'. Kyphosis is better tolerated in the upper thoracic region but poorly in the lower spine. This informs fixation techniques to restore alignment.
What do MRI scans reveal about asymptomatic cervical spines?
Abnormal MRI findings occur in asymptomatic cervical spines, with Boden et al. (1990) reporting degenerative changes in scans of 63 volunteers with no symptoms in 'Abnormal magnetic-resonance scans of the cervical spine in asymptomatic subjects. A prospective investigation.'. This highlights caution in using imaging for surgical decisions on fixation. Plain radiography and CT also show frequent asymptomatic degeneration.
What is the comprehensive classification for thoracic and lumbar injuries?
Magerl et al. (1994) developed a comprehensive classification of thoracic and lumbar injuries in 'A comprehensive classification of thoracic and lumbar injuries'. It categorizes fracture types and subtypes for treatment selection. This system builds on earlier models like Denis's three-column approach.
Open Research Questions
- ? How can three-column instability thresholds be refined for minimally invasive fixation in osteoporotic fractures?
- ? What biomechanical factors predict recurrence risk after vertebroplasty or kyphoplasty?
- ? Which navigation techniques best integrate with robotic-assisted pedicle screw placement?
- ? How does sagittal imbalance progression affect long-term fixation outcomes in lumbar injuries?
- ? What metrics improve neurological classification accuracy for cervical spine fractures?
Recent Trends
The field includes 81,244 works on techniques like vertebroplasty, kyphoplasty, and pedicle screw fixation, with no 5-year growth rate available and no recent preprints or news in the last 12 months.
Highly cited works such as Denis with 2534 citations and Boden et al. (1990) with 2472 citations continue to define standards.
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