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Updated: Jun 7, 2026

Intraoperative Ultrasound in Spinal Surgery
05:53

Intraoperative Ultrasound in Spinal Surgery

Published on: August 17, 2022

Intraoperative CT in spine surgery.

Wolf-Ingo Steudel1, Abdullah Nabhan, Kaveh Shariat

  • 1Department of Neurosurgery, Universität des Saarlandes, Kirrberger Straße, 66421 Homburg, Saar, Germany. ingo.steudel@uniklinikum-saarland.de

Acta Neurochirurgica. Supplement
|October 21, 2010
PubMed
Summary

Intraoperative CT scans enhance spinal instrumentation safety and efficiency by verifying implant placement and decompression adequacy. This reduces the need for follow-up surgeries, improving patient outcomes.

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Area of Science:

  • Spinal surgery
  • Medical imaging
  • Neurosurgery

Background:

  • Spinal instrumentation carries risks of neurovascular complications due to potential misplacement of implants.
  • Navigation techniques and intraoperative 3D fluoroscopy are current methods to mitigate these risks.
  • Assessing the efficacy and safety of intraoperative CT in spinal instrumentation is crucial.

Purpose of the Study:

  • To evaluate if intraoperative computed tomography (CT) improves treatment efficiency and patient safety during spinal instrumentation.
  • To determine the accuracy of implant placement and the sufficiency of decompression using intraoperative CT.

Main Methods:

  • A prospective study involving 100 patients, with 80 undergoing spinal instrumentation for degenerative diseases, tumors, or trauma.

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Last Updated: Jun 7, 2026

Intraoperative Ultrasound in Spinal Surgery
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Published on: August 17, 2022

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  • Utilized a helical CT scanner integrated with the operating room table via a track system.

    • Main Results:

    • A total of 569 implants were used, including pedicle screws, cages, plates, and rods.
    • Malpositioning occurred in 7 patients (8.75%), with 24 implants (7.6%) misplaced, including pedicle screws, cages, and facet joint screws.

    Conclusions:

    • Intraoperative CT is valuable for verifying implant placement, decompression extent, and spinal realignment.
    • Early detection of errors with intraoperative CT can minimize the need for revision surgeries.
    • Postoperative CT scans may become unnecessary when intraoperative CT is employed.