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- Title
Impact of preoperative clinical state on 2‐year clinical outcomes following degenerative lumbar scoliosis surgery.
- Authors
Yuan, Lei; Liu, Yinhao; Zeng, Yan; Chen, Zhongqiang; Li, Weishi
- Abstract
To assess the preoperative clinical state's impact on clinical outcomes after surgery for degenerative lumbar scoliosis (DLS) based on the minimal clinically important difference (MCID). Preoperative and follow‐up (FU) scores in each Scoliosis Research Society‐22 (SRS‐22) domain were compared with age‐ and sex‐matched normative references. At baseline, patients were classified by differences from normative values in four groups: Worst, Severe, Poor, and Moderate. At 2 years postoperative FU, patients were divided into four groups (Worst Severe Poor Asymptomatic) based on the difference in MCID between postoperative and normal values. The changes in MCID were considered as the criterion for surgical efficacy. In addition, we calculated the classification of preoperative and FU clinical symptom severity in each domain in same patient. The distinction among curve types was also performed based on the SRS‐Schwab classification. A total of 123 patients were included. During FU, patients with more severe preoperative clinical symptoms were more likely to achieve clinical changes (>1 MCID, p < 0.05), but the rate of reaching "asymptomatic" was lower (p < 0.05). Kendall's tau‐b correlation analysis found that preoperative clinical severity was correlated with clinical changes category in Activity (Tau‐b = 0.252; p = 0.002), Pain (Tau‐b = 0.230; p = 0.005), Appearance (Tau‐b = 0.307; p < 0.001), and Mental (Tau‐b = 0.199; p = 0.016), and it also was correlated with FU clinical severity in Activity (Tau‐b = 0.173; p = 0.023), Pain (Tau‐b = 0.280; p < 0.001), and Mental (Tau‐b = 0.349; p < 0.001). There was a correlation between preoperative clinical severity and FU SRS‐22 score outcomes. Patients with severe preoperative clinical symptoms can experience better treatment outcomes during FU, but it is also more difficult to recover to the normal reference.
- Subjects
SCOLIOSIS; TREATMENT effectiveness; SPINAL surgery
- Publication
Journal of Orthopaedic Research, 2024, Vol 42, Issue 6, p1335
- ISSN
0736-0266
- Publication type
Article
- DOI
10.1002/jor.25780