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Related Experiment Video

Updated: Jun 15, 2026

A Teleoperated Robotic System-Assisted Percutaneous Transiliac-Transsacral Screw Fixation Technique
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An S-2 alar iliac pelvic fixation. Technical note.

Lauren E Matteini1, Khaled M Kebaish, W Robert Volk

  • 1Orthopaedic Surgery, George Washington University, Washington, DC 20037, USA.

Neurosurgical Focus
|March 3, 2010
PubMed
Summary

S-2 alar iliac pelvic fixation offers an improved approach to spinal deformity surgery. This in-line technique potentially reduces wound complications and dissection compared to traditional methods.

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Area of Science:

  • Spinal surgery
  • Orthopedics
  • Surgical techniques

Background:

  • Pelvic fixation is critical for spinal deformity surgery.
  • Conventional methods like transiliac bars, iliac bolts, and iliosacral screws often necessitate separate incisions, increasing risks of wound complications and dissection.
  • These techniques typically require transverse connectors, disrupting the inline alignment with cephalad instrumentation.

Observation:

  • The S-2 alar iliac pelvic fixation technique has been developed as a novel solution.
  • This method offers an in-line fixation approach.
  • It can be performed during open surgery or percutaneously.

Findings:

  • The S-2 alar iliac technique provides a more streamlined approach to pelvic fixation.
  • It potentially minimizes the need for additional incisions and associated complications.

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  • This technique aligns directly with the S-1 pedicle screw and cephalad instrumentation.

    • Implications:

    • This technique may enhance patient outcomes by reducing surgical morbidity.
    • It offers a potentially less invasive and more efficient method for achieving stable pelvic fixation in spinal deformity.
    • Further research may validate its advantages over traditional pelvic fixation methods.