AI Article Synopsis
- Anterior vertebral body tethering (AVBT) and posterior spinal fusion (PSF) are surgical options for treating idiopathic scoliosis, often combined to maximize curve correction while preserving motion in the lumbar spine.
- A study involving 20 patients showed significant improvements in spinal curve angles after a hybrid treatment involving both AVBT and PSF, with acceptable surgery times and blood loss.
- The combined approach of PSF and AVBT is safe, effective, and aims to maintain mobility in the lumbar region while achieving optimal correction of the thoracic curve in scoliosis patients.
Article Abstract
Background: Anterior vertebral body tethering (AVBT) and posterior spinal fusion (PSF) are options for patients with idiopathic scoliosis. Combining both procedures in patients with double curves, a procedure in which PSF is performed for the thoracic curve and AVBT for the lumbar curve, provides maximal correction of the thoracic curve with a theoretical maintenance of motion in the lumbar spine.
Observations: The authors retrospectively reviewed 20 skeletally immature patients diagnosed with idiopathic scoliosis at a single institution with an average age of 12.7 ± 1.6 years and who had undergone hybrid treatment with an average follow-up of 8 months. The PSF procedures averaged 276 ± 63 minutes with 442.8 ± 295 mL of blood loss, and the AVBT averaged 275 ± 54 minutes with 118.3 ± 80 mL of blood loss. Following the hybrid correction, the thoracic and lumbar coronal curve angles improved from 67.6° to 21.6° and from 65.2° to 24°, respectively. The three-dimensional kyphosis improved from 3.3° to 24°.
Lessons: A combined approach of PSF and AVBT is safe and effective for idiopathic scoliosis. This approach combines the gold standard of thoracic fusion with the motion preservation benefits of AVBT in the lumbar spine. This study will continue to refine indications for AVBT.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10566524 | PMC |
| http://dx.doi.org/10.3171/CASE23331 | DOI Listing |
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