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Direct vertebral rotation versus simple rod derotation techniques in correction of adolescent idiopathic scoliosis

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Abstract

Background

One method for treating adolescent idiopathic scoliosis (AIS), which is characterized by abnormal spinal alignment in the coronal, sagittal, and rotational planes, is surgical correction. The two surgical techniques most typically used to correct spine alignment are simple rod derotation (SRD) and direct vertebral derotation (DVR).

Aim

The study's goal was to assess the effectiveness of two treatment methods for adolescent idiopathic scoliosis: simple rod derotation and direct vertebral rotation.

Subjects and methods

A randomized controlled research involving 36 adolescents with idiopathic scoliosis was done. Patients were randomly split into one of two groups: 18 patients in group A had DVR treatment, while 18 patients in group B received SRD with a 2-year follow-up.

Results

Apical Vertebral Rotation measured from CT scans in DVR group was 24.4° ± 8.38° preoperatively and it decreased significantly postoperatively to 14.4° ± 4.61° with (42.22%) correction rate, while in SRD group, it was 25.03° ± 7.99° preoperatively and it also decreased significantly postoperatively to a mean value of 21.41° ± 7.01° with (14.65%) correction rate. There were statistically significant differences between both groups post-operative (P < 0.001).

Conclusion

The apical vertebral rotation was greatly enhanced in both procedures, with direct vertebral rotation being better. Both Simple rod derotation and direct vertebral rotation reduce the rib hump, although the improvement is much greater with direct vertebral rotation.

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Funding

This research received no specific grant from any funding agency in the public, commercial, or not-for-profit sectors.

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Authors and Affiliations

  1. Orthopedic Surgery, Faculty of Medicine, Ain Shams University, Cairo, Egypt

    Asem Mahmoud Sayed Abdel Rasol, Ahmed Mohamed El Badrawi, Ali Ibrahim Abdel Latif, Fady Michael Fahmy, Hany El Zahlawy & Mohammed Ali Hussien

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  1. Asem Mahmoud Sayed Abdel Rasol
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  2. Ahmed Mohamed El Badrawi
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  3. Ali Ibrahim Abdel Latif
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  4. Fady Michael Fahmy
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  5. Hany El Zahlawy
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  6. Mohammed Ali Hussien
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Contributions

Prof. Dr. Fady Michael: made substantial contributions to the conception, design of the work, and the acquisition. Prof. Dr. Ahmed Mohamed El Badrawi: made data analysis and interpretation. Prof Dr. Hany El Zahlawy: drafted the work and revised it critically. Asem Mahmoud Sayed Abdel Rasol, Prof Dr. Hany El Zahlawy: approved the version to be published. Prof. Dr. Ahmed Mohamed El Badrawi, Prof. Dr. Mohammed Ali Hussien: provided revisions to scientific content of manuscript. Prof. Dr. Ali Ibrahim Abdel Latif: provided stylistic and grammatical revisions to manuscript. Asem Mahmoud Sayed Abdel Rasol, Prof Dr. Mohammed Ali Hussien: accountable for all components of the work in ensuring that questions about the accuracy and integrity of any portion of the work are examined and handled appropriately. Before submitting the work, all authors agreed with the content, gave explicit consent to submit, and obtained consent from the responsible authorities at the hospital where the work was done. The authors confirm sole responsibility for the following: study conception and design, data collection, analysis and interpretation of results, and manuscript preparation.

Corresponding author

Correspondence to Asem Mahmoud Sayed Abdel Rasol.

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Conflict of interest

All authors declare that there is no conflict of interest.

Ethical approval

The study was conducted in accordance with the Declaration of Helsinki. The protocol was approved by the Ethics Committee of the Ain Shams University Hospital Research Ethics Committee (FWA number: 000017585).

Informed consent

All subjects gave their informed consent for inclusion before they participated in the study.

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Abdel Rasol, A.M.S., El Badrawi, A.M., Abdel Latif, A.I. et al. Direct vertebral rotation versus simple rod derotation techniques in correction of adolescent idiopathic scoliosis. Spine Deform (2024). https://doi.org/10.1007/s43390-024-00841-y

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  • DOI: https://doi.org/10.1007/s43390-024-00841-y

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