Effect of Direct Vertebral Rotation in Single Thoracic Adolescent Idiopathic Scoliosis: Better 3-Dimensional Deformity Correction
- Authors
- Kim, G.-U.; Yang, J.H.; Chang, D.-G.; Suk, S.-I.; Suh, S.-W.; Song, K.-S.; Nam, K.-Y.; Oh, I.-S.; Park, H.-Y.; Kim, S.-I.; Kim, Y.-H.; Ha, K.-Y.
- Issue Date
- Sep-2019
- Publisher
- Elsevier Inc.
- Keywords
- Adding-on; Adolescent idiopathic scoliosis; Fusion level; Pedicle screw instrumentation; Selective thoracic fusion; Thoracic scoliosis
- Citation
- World Neurosurgery, v.129, pp E401 - E408
- Journal Title
- World Neurosurgery
- Volume
- 129
- Start Page
- E401
- End Page
- E408
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/33085
- DOI
- 10.1016/j.wneu.2019.05.164
- ISSN
- 1878-8750
1878-8769
- Abstract
- Objective: To analyze the effects of direct vertebral rotation (DVR) on radiologic outcomes in the treatment of thoracic adolescent idiopathic scoliosis after selective thoracic fusion with pedicle screw instrumentation. Methods: Adolescent idiopathic scoliosis patients with single thoracic curves (n = 110) treated by selective thoracic fusion with a minimum of 2 years of follow-up were retrospectively analyzed. The patients were separated into 2 groups: non-DVR (n = 63) and DVR (n = 47). Results: There was a significant difference in fused segments between the non-DVR and DVR groups (P < 0.001). There was also a significant difference in main thoracic curve postoperatively (P = 0.001) and at the last follow-up (P = 0.006) between the non-DVR and DVR groups. However, there was no significant difference in proximal thoracic and lumbar curves postoperatively (proximal thoracic curve: P = 0.186; lumbar curve: P = 0.155) and at the last follow-up (proximal thoracic curve: P = 0.250; lumbar curve: P = 0.060) between the 2 groups. Significant improvements in the lowest instrumented vertebra tilt and disc angle were noted but then slight deteriorations in such were observed during the follow-up period in the non-DVR group. The prevalence of unsatisfactory results was 20.6% (13 of 63) in the non-DVR group and 19.1% (9 of 47) in the DVR group, with no significant difference (P = 0.522). Conclusions: For correcting single thoracic adolescent idiopathic scoliosis by selective thoracic fusion with pedicle screw instrumentation, the addition of DVR to the surgical procedure showed comparable radiologic outcomes compared with non-DVR procedures. © 2019 Elsevier Inc.
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