Changes in spinal sagittal balance after a new osteoporotic vertebral compression fracture
Authors' conclusion
New VCF increased SVA by an average of 2.8 cm. Sagittal balance deteriorates as a new fracture develops in the lower lumbar spine.
Study context
- Population
- Patients undergoing periodic examinations after treatment of a vertebral fracture or lumbar spinal canal stenosis who developed a new vertebral compression fracture (VCF) (mean age 79.0 years)
- Participants
- 40 patients
- Exposure
- Spinopelvic parameters before vs after a new VCF
- Outcome
- Change in spinal sagittal balance (spinopelvic parameters) after a new VCF
Methodological detailspre- vs post-fracture comparison of full-spine standing radiographs, Mean interval between pre- and post-fracture radiographs 22.7 months; mean time from fracture to post-fracture radiographs 4.6 months
- Pre- vs post-fracture comparison of full-spine standing radiographs
- Mean interval between pre- and post-fracture radiographs 22.7 months; mean time from fracture to post-fracture radiographs 4.6 months
Main finding
As reported in the abstract
Change in spinopelvic parameters after a new VCF
Sagittal vertical axis (SVA) increased an average of (cm)
2.78
Spino-sacral angle (SSA) decreased an average of (°)
5.3
Observational data: associations, not effects.
Further findings
| Outcome | RR |
|---|---|
| Deterioration of sagittal balance by fracture level (ROC analysis) | 2.9 |
Deterioration of sagittal balance by fracture level (ROC analysis)
- ⊿SVA increased markedly with lower lumbar fractures
Predictors of ⊿SVA and ⊿SSA
- ⊿SVA and ⊿SSA not related to pre-fracture parameters
- Wedge angle of fractured vertebra not related to changes in sagittal balance
Original publication
Changes in spinal sagittal balance after a new osteoporotic vertebral compression fracture. Osteoporos Int. Published 18 December 2023. doi:10.
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