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. 2024 Jun;33(6):2522-2529.
doi: 10.1007/s00586-024-08233-6. Epub 2024 Apr 4.

Neck and shoulder pain in thoracic adolescent idiopathic scoliosis 10 years after posterior spinal fusion

Masayuki Ohashi  1 , Kei Watanabe  2   3 , Toru Hirano  4 , Kazuhiro Hasegawa  3 , Hideki Tashi  2 , Tatsuo Makino  2 , Keitaro Minato  2 , Masayuki Sato  2 , Hiroyuki Kawashima  2
Affiliations

Neck and shoulder pain in thoracic adolescent idiopathic scoliosis 10 years after posterior spinal fusion

Masayuki Ohashi et al. Eur Spine J. 2024 Jun.

Abstract

Purpose: We aimed to determine the clinical significance of neck and shoulder pain (NSP) 10 years after posterior spinal fusion (PSF) for thoracic adolescent idiopathic scoliosis (AIS) and the relationship between radiographic parameters and NSP.

Methods: Of 72 patients who underwent PSF for thoracic AIS (Lenke 1 or 2) between 2000 and 2013, we included 52 (46 females; Lenke type 1 in 34 patients and type 2 in 18; mean age, 25.6 years) who underwent NSP evaluation using visual analog scale (VAS, 10 cm) 10 years postoperatively (follow-up rate, 72.2%). Correlation analyses were performed using Spearman's rank correlation coefficient (r).

Results: The VAS for NSP was 2.6 cm in median and 3.4 cm in mean at 10 years. The VAS had significant negative correlations with several SRS-22 domain scores (rs = - 0.348 for pain, - 0.347 for function, - 0.308 for mental health, and - 0.372 for total) (p < 0.05). In addition, the VAS score was significantly correlated with cervical lordosis (CL) (rs = 0.296), lumbar lordosis (rs = - 0.299), and sacral slope (rs = 0.362) (p < 0.05). Furthermore, at the 10-year follow-up, CL was significantly negatively correlated with T1 slope (rs = - 0.763) and thoracic kyphosis (TK) (- 0.554 for T1-12 and - 0.344 for T5-12) (p < 0.02).

Conclusion: NSP was associated with deterioration in SRS-22 scores, indicating that NSP is a clinically significant long-term issue in PSF for thoracic AIS. Restoring or maintaining the TK and T1 slopes, which are controllable factors during PSF, may improve cervical lordosis and alleviate NSP at 10-year follow-up.

Keywords: Adolescent idiopathic scoliosis; Cervical spinal alignment; Long-term follow-up; Neck pain; Posterior spinal fusion; Shoulder pain.

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