# The Degree of Correction Correlation with Clinical Outcomes in Adult Scoliosis Patients after Posterior Instrumentation Surgery

## Authors

- Emre Bal ([ORCID](https://orcid.org/0000-0003-3403-8069)) — Fatih Sultan Mehmet Education and Training Hospital Orthopedics and Traumatology Department, Istanbul, TURKEY
- Onur Cetin ([ORCID](https://orcid.org/0000-0002-3986-2527)) — Istanbul Medipol University, Camlica Hospital, Orthopedics and Traumatology Department, Istanbul, TURKEY

## Article information

- **Journal:** The Ulutas Medical Journal (Ulutas Med J), ISSN 2149-388X
- **Issue:** Volume 9, Issue 3 (2023), pages 202–207
- **Article type:** Original Article
- **Published online:** 2023-09-13
- **DOI:** [10.5455/umj.20230921092721](https://doi.org/10.5455/umj.20230921092721)
- **Licence:** [CC BY-NC 4.0](https://creativecommons.org/licenses/by-nc/4.0/)
- **Article page:** https://www.ulutasmedicaljournal.com/?mno=170390
- **PDF:** https://www.ulutasmedicaljournal.com/pdf/170390.pdf

## Abstract

Introduction: Restoring sagittal and coronal parameters is a primary concern in adult scoliosis surgery, yet it remains challenging due to the matured bony structure. This study aims to analyze the relationship between clinical outcomes and the degree of correction achieved through posterior instrumentation surgery in adult scoliosis. Materials and Methods: This study evaluated the clinical and radiological results of 27 adult scoliosis patients who underwent posterior instrumentation, decompression, and correction surgery. Preoperative and follow-up X-rays were performed to assess Cobb angle, sagittal balance, and coronal balance. Visual Analog Score (VAS) and Oswestry Disability Index (ODI) were evaluated preoperatively and at follow-up. Results: The study comprised 27 patients (18 female, 9 male) with a mean age of 68.2 years. Preoperative Cobb angle averaged 42.4°, reducing to 5.9° at final follow-up. Sagittal balance decreased from 30.6 mm preoperatively to 9.7 mm at final follow-up. Coronal balance improved from 22.3 mm preoperatively to 10.5 mm at 2-year follow-up. Preoperative Cobb angle showed a strong correlation with preoperative ODI (p=0.028) and postoperative ODI (p=0.014). Preoperative sagittal balance also correlated strongly with pre and postoperative ODI. However, postoperative Cobb angle and sagittal balance did not correlate with postoperative ODI (p

## Keywords

Posterior instrumentation; deformity correction; clinical outcome; Cobb angle; Scoliosis

## How to cite

Bal E, Cetin O. The Degree of Correction Correlation with Clinical Outcomes in Adult Scoliosis Patients after Posterior Instrumentation Surgery. Ulutas Med J. 2023;9(3):202-207. doi:10.5455/umj.20230921092721

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