Abstract
Purpose
Objectives in scoliosis corrective surgery include restoration of normal sagittal and coronal parameters to achieve patient satisfaction. HRQLs improvements remain limited after corrective surgery. The aim of this study was to evaluate the HRQL subclass variability specific to the sagittal and coronal correction in adult scoliosis surgery.
Methods
This multi-centre prospective analysis of consecutive adult spinal deformity (ASD) patients, from five European centres, only included multilevel instrumentation for scoliosis. d-(delta) values for each parameter represented pre to post-operative changes. Parameters included demographics, baseline, 1- and 2-year. HRQL outcomes (Oswestry disability index (ODI), Scoliosis Research Society (SRS)-22 and Short Form (SF36)), sagittal correction including relative spinopelvic alignment (dRSA) and coronal correction including major Cobb (dCobb) angles.
Results
A total of 353 patients reached 1-year and 2-year follow up. All HRQL total scores significantly improved postoperatively, including ODI, SRS-22 and SF36. HRQL subclasses which displayed persistent improvements correlated to dRSA included sex-life, self-image, fatigue, vitality, social functioning. The only HRQL subclass improvement that correlated with dCobb was self-image.
Conclusion
Adult scoliosis surgery improves overall HRQL, having a minimal effect on each variable. Importantly, greater coronal deformity correction affects only greater self-image scores, whereas with greater sagittal correction there are many greater HRQL sub-class impacts. Correction and restoration of coronal balance is one of the surgical goals in adult scoliosis but the degree to which Cobb angle is corrected, apart from self-image, does not correlate with gains in sub-classes of HRQL. These results need to be taken into account when planning surgery.
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Abbreviations
- ASD:
-
Adult spinal deformity
- BMI:
-
Indicates body mass index
- COMI:
-
Core Outcome Measures Index
- GT:
-
Global tilt; LL, lumbar lordosis
- MCS:
-
Mental Component Summary
- ODI:
-
Oswestry Disability Index
- PCS:
-
Physical Component Summary
- PI:
-
Pelvic incidence
- PT:
-
Pelvic tilt
- SF36:
-
Short Form 36
- SRS-22:
-
Scoliosis Research Society 22-question Questionnaire
- SVA:
-
Sagittal vertical axis
- PI-LL:
-
Pelvic incidence minus lumbar lordosis
- RSA:
-
Relative spinopelvic alignment
- BMI:
-
Body mass index
- SVA:
-
Sagittal vertical axis
- TK:
-
Thoracic kyphosis
- PT:
-
Pelvic tilt
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Cawley, D.T., Takemoto, M., Boissiere, L. et al. The Impact of Corrective Surgery on Health-Related Quality of Life Subclasses in Adult Scoliosis: Will Degree of Correction Prognosticate Degree of Improvement?. Eur Spine J 30, 2033–2039 (2021). https://doi.org/10.1007/s00586-021-06786-4
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DOI: https://doi.org/10.1007/s00586-021-06786-4