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Impact of New Motor Deficit on HRQOL After Adult Spinal Deformity Surgery: Subanalysis From Scoli Risk 1 Prospective Study.

  • Author(s): Saigal, Rajiv;
  • Lau, Darryl;
  • Berven, Sigurd H;
  • Carreon, Leah;
  • Dekutoski, Mark B;
  • Kebaish, Khaled M;
  • Qiu, Yong;
  • Matsuyama, Yukihiro;
  • Kelly, Michael;
  • Dahl, Benny T;
  • Mehdian, Hossein;
  • Pellisé, Ferran;
  • Lewis, Stephen J;
  • Cheung, Kenneth MC;
  • Shaffrey, Christopher I;
  • Fehlings, Michael G;
  • Lenke, Lawrence G;
  • Ames, Christopher P;
  • AOSpine Knowledge Forum Deformity
  • et al.
Abstract

Study design

International, multicenter, prospective, longitudinal observational cohort.

Objective

To assess how new motor deficits affect patient reported quality of life scores after adult deformity surgery.

Summary of background data

Adult spinal deformity surgery is associated with high morbidity, including risk of new postoperative motor deficit. It is unclear what effect new motor deficit has on Health-related Quality of Life scores (HRQOL) scores.

Methods

Adult spinal deformity patients were enrolled prospectively at 15 sites worldwide. Other inclusion criteria included major Cobb more than 80°, C7-L2 curve apex, and any patient undergoing three column osteotomy. American Spinal Injury Association (ASIA) scores and standard HRQOL scores were recorded pre-op, 6 weeks, 6 months, and 2 years.

Results

Two hundred seventy two complex adult spinal deformity (ASD) patients enrolled. HRQOL scores were worse for patients with lower extremity motor score (LEMS). Mean HRQOL changes at 6 weeks and 2 years compared with pre-op for patients with motor worsening were: ODI (+12.4 at 6 weeks and -4.7 at 2 years), SF-36v2 physical (-4.5 at 6 weeks and +2.3 at 2 years), SRS-22r (0.0 at 6 weeks and +0.4 at 2 years). Mean HRQOL changes for motor-neutral patients were: ODI (+0.6 at 6 weeks and -12.1 at 2 years), SF-36v2 physical (-1.6 at 6 weeks and +5.9 at 2 years), and SRS-22r (+0.4 at 6 weeks and +0.7 at 2 years). For patients with LEMS improvement, mean HRQOL changes were: ODI (-0.6 at 6 weeks and -16.3 at 2 years), SF-36v2 physical (+1.0 at 6 weeks and +7.0 at 2 years), and SRS-22r (+0.5 at 6 weeks and +0.9 at 2 years).

Conclusion

In the subgroup of deformity patients who developed a new motor deficit, total HRQOLs and HRQOL changes were negatively impacted. Patients with more than 2 points of LEMS worsening had the worst changes, but still showed overall HRQOL improvement at 6 months and 2 years compared with pre-op baseline.Level of Evidence: 3.

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