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Related Experiment Video

Updated: Jun 18, 2026

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device
04:19

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

Published on: November 8, 2024

Post-Operative Coronal Malalignment is Associated with Delayed Deterioration Following Minimally Invasive Surgery for

Andrew K Chan1, Nathan J Winans1, Praveen V Mummaneni2

  • 1Department of Neurological Surgery, Columbia University, The Och Spine Hospital at NewYork-Presbyterian, New York, NY, USA.

Spine
|June 16, 2026
PubMed

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Summary
This summary is machine-generated.

Minimally invasive surgery (MIS) for adult spinal deformity (ASD) can lead to delayed functional decline. Early coronal malalignment after MIS for ASD is linked to worse outcomes, highlighting the importance of alignment for long-term results.

Area of Science:

  • Spine surgery
  • Orthopedics
  • Minimally invasive surgery

Background:

  • Adult spinal deformity (ASD) is increasingly treated with minimally invasive surgery (MIS).
  • Coronal malalignment is a known factor in patient disability.
  • The impact of coronal alignment on delayed deterioration after MIS for ASD remains unclear.

Purpose of the Study:

  • To identify factors associated with delayed deterioration of Oswestry Disability Index (ODI) scores between 1 and 2 years postoperatively.
  • To analyze preoperative and postoperative factors influencing ODI changes after MIS for ASD.

Main Methods:

  • Retrospective analysis of prospectively collected data from 67 patients who underwent circumferential MIS for ASD.
  • Patients were grouped based on ODI changes between 1 and 2 years postoperatively.
Keywords:
ODIadult spinal deformitycoronal malalignmentminimally invasive deformity surgeryminimally invasive surgery

Related Experiment Videos

Last Updated: Jun 18, 2026

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device
04:19

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

Published on: November 8, 2024

  • Radiographic outcomes, including central sacral vertical line (CSVL), and complications were analyzed.

    • Main Results:

    • No significant differences in baseline characteristics were found between groups with differing ODI trajectories.
    • Patients with a delayed increase in ODI (somewhat improved group) had significantly higher CSVL at all follow-up intervals.
    • Despite delayed deterioration, ODI scores remained improved compared to preoperative baselines for all patients.

    Conclusions:

    • Early postoperative coronal malalignment is associated with delayed changes in functional outcomes after MIS for ASD.
    • Maintaining coronal alignment is crucial for optimizing long-term functional results in patients undergoing MIS for ASD.