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10.3390/jcm13216366
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Article

Posterior Correction and Fusion Using a 4D Anatomical Spinal Reconstruction Technique Improves Postural Stability Under the Eye-Closed Condition in Patients with Adolescent Idiopathic Scoliosis

by
Satoshi Osuka
1,2,
Hideki Sudo
3,*,
Katsuhisa Yamada
3,
Hiroyuki Tachi
3,
Akira Fukushima
3,
Hiroki Mani
4,
Kentaro Watanabe
1,2,
Fuma Sentoku
1,2,
Takeshi Chiba
1,
Hiroaki Hori
2,
Norimasa Iwasaki
3,
Masahiko Mukaino
5 and
Harukazu Tohyama
1
1
Faculty of Health Sciences, Hokkaido University, Sapporo 060-0812, Japan
2
Department of Rehabilitation, Hokkaido University Hospital, Sapporo 060-8648, Japan
3
Department of Orthopaedic Surgery, Hokkaido University Hospital, Sapporo 060-8638, Japan
4
Faculty of Welfare and Health Science, Oita University, Oita 870-1192, Japan
5
Department of Rehabilitation Medicine, Hokkaido University Hospital, Sapporo 060-8648, Japan
*
Author to whom correspondence should be addressed.
J. Clin. Med. 2024, 13(21), 6366; https://doi.org/10.3390/jcm13216366
Submission received: 9 September 2024 / Revised: 15 October 2024 / Accepted: 22 October 2024 / Published: 24 October 2024
(This article belongs to the Special Issue Current Practice and Future Perspectives in Scoliosis Treatment)
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Abstract

Background: Patients with adolescent idiopathic scoliosis (AIS) has been reported to exhibit impaired postural stability. Posterior correction and fusion using four-dimensional (4D) anatomical spinal reconstruction techniques may improve postural stability to correct the spine for optimal anatomical alignment. This prospective study aimed to determine the effect of posterior correction and fusion using a 4D anatomical spinal reconstruction technique on postural stability in the eye-open and eye-closed standing position in patients with thoracic AIS. Methods: Thirty-three patients with AIS, excluding those with Lenke type 5C AIS, participated in the study. The mean and standard deviation of the minimum values of the time-to-boundary (TTB) were determined. All patients were asked to perform the quiet standing position under the eye-open and eye-closed condition on a force plate preoperatively and at 1 week and 2 years postoperatively. The TTB value was calculated from the velocity and distance to the foot boundary of the acquired center-of-pressure data. Results: Under the eye-closed condition, the mean and standard deviation of the minimum TTB were significantly higher at 2 years postoperatively than preoperatively and at 1 week postoperatively. The mean and standard deviation of the minimum TTB values were significantly lower at 1 week postoperatively than preoperatively. Conclusions: The results of this study suggest that surgery using the 4D anatomical spinal reconstruction technique reduces postural stability immediately after surgery; however, it improves postural stability at 2 years compared to the preoperative values.
Keywords: adolescent idiopathic scoliosis; anatomical spinal reconstruction; prospective study; time-to-boundary; center of pressure; force plate adolescent idiopathic scoliosis; anatomical spinal reconstruction; prospective study; time-to-boundary; center of pressure; force plate

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MDPI and ACS Style

Osuka, S.; Sudo, H.; Yamada, K.; Tachi, H.; Fukushima, A.; Mani, H.; Watanabe, K.; Sentoku, F.; Chiba, T.; Hori, H.; et al. Posterior Correction and Fusion Using a 4D Anatomical Spinal Reconstruction Technique Improves Postural Stability Under the Eye-Closed Condition in Patients with Adolescent Idiopathic Scoliosis. J. Clin. Med. 2024, 13, 6366. https://doi.org/10.3390/jcm13216366

AMA Style

Osuka S, Sudo H, Yamada K, Tachi H, Fukushima A, Mani H, Watanabe K, Sentoku F, Chiba T, Hori H, et al. Posterior Correction and Fusion Using a 4D Anatomical Spinal Reconstruction Technique Improves Postural Stability Under the Eye-Closed Condition in Patients with Adolescent Idiopathic Scoliosis. Journal of Clinical Medicine. 2024; 13(21):6366. https://doi.org/10.3390/jcm13216366

Chicago/Turabian Style

Osuka, Satoshi, Hideki Sudo, Katsuhisa Yamada, Hiroyuki Tachi, Akira Fukushima, Hiroki Mani, Kentaro Watanabe, Fuma Sentoku, Takeshi Chiba, Hiroaki Hori, and et al. 2024. "Posterior Correction and Fusion Using a 4D Anatomical Spinal Reconstruction Technique Improves Postural Stability Under the Eye-Closed Condition in Patients with Adolescent Idiopathic Scoliosis" Journal of Clinical Medicine 13, no. 21: 6366. https://doi.org/10.3390/jcm13216366

APA Style

Osuka, S., Sudo, H., Yamada, K., Tachi, H., Fukushima, A., Mani, H., Watanabe, K., Sentoku, F., Chiba, T., Hori, H., Iwasaki, N., Mukaino, M., & Tohyama, H. (2024). Posterior Correction and Fusion Using a 4D Anatomical Spinal Reconstruction Technique Improves Postural Stability Under the Eye-Closed Condition in Patients with Adolescent Idiopathic Scoliosis. Journal of Clinical Medicine, 13(21), 6366. https://doi.org/10.3390/jcm13216366

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