Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Altered cervical intervertebral motion in chronic neck pain: evidence from biplane videoradiography.

Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology·2026
Same author

Suspected contaminant source and early deep wound infections in posterior instrumented fusion involving the lumbosacral region: a multicenter analysis.

Spine deformity·2026
Same author

Use of pelvic incidence to predict proximal junctional failure in long-segment spinal fusion.

Journal of neurosurgery. Spine·2026
Same author

Correction of proximal junctional failure using transforaminal thoracic interbody fusion: a technical note.

European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·2026
Same author

Clinical outcomes of resection of thoracic arachnoid webs: patient series.

Journal of neurosurgery. Case lessons·2026
Same author

Circulating cell-free DNA and circulating tumor DNA as a prognostic biomarker in metastatic spine disease, is there a role?

Neurosurgical review·2026
Same journal

The Complementary Role of Size and Morphology in Predicting Intracranial Aneurysm Rupture: An Intra-Patient Matched Study.

World neurosurgery·2026
Same journal

Clinical Efficacy of Onyx Embolization in the Treatment of Distal Intracranial Microaneurysms.

World neurosurgery·2026
Same journal

Long-term Survival Rates in U.S. Veterans Shunted for iNPH: A Focused Analysis of Radiological Predictors.

World neurosurgery·2026
Same journal

Effects of Teriparatide on Complications and Surgical Outcomes in Patients Undergoing Correction of Adult Spinal Deformity: A Retrospective Cohort Study and Cost-Effectiveness Analysis.

World neurosurgery·2026
Same journal

ECG-Synchronized Physiological Feedback During Obex Cavernoma Surgery: 2-D Operative Video.

World neurosurgery·2026
Same journal

Functional Outcomes and Complications Following Very Delayed Cranioplasty: Clinical Challenges and Surgical Considerations.

World neurosurgery·2026
See all related articles

Related Experiment Video

Updated: Oct 28, 2025

A Teleoperated Robotic System-Assisted Percutaneous Transiliac-Transsacral Screw Fixation Technique
05:57

A Teleoperated Robotic System-Assisted Percutaneous Transiliac-Transsacral Screw Fixation Technique

Published on: January 6, 2023

3.1K

Pelvic Fixation Using S2AI and Triangular Titanium Implants (Bedrock Technique).

Bryan Ladd1, David Polly2

  • 1Department of Neurosurgery, University of Minnesota, Minneapolis, Minnesota, USA.

World Neurosurgery
|July 18, 2021
PubMed
Summary
This summary is machine-generated.

The bedrock technique, using triangular titanium implants with S2-alar-iliac screws, enhances pelvic fixation stability. This novel approach addresses S2AI screw toggling, improving outcomes for complex spinal fusions.

Keywords:
Pelvic fixationS2AI screwTriangular titanium implant

More Related Videos

Surgical Fixation of Sternal Fractures: Preoperative Planning and a Safe Surgical Technique Using Locked Titanium Plates and Depth Limited Drilling
15:11

Surgical Fixation of Sternal Fractures: Preoperative Planning and a Safe Surgical Technique Using Locked Titanium Plates and Depth Limited Drilling

Published on: January 5, 2015

64.4K
C-arm-Free Simultaneous OLIF51 and Percutaneous Pedicle Screw Fixation in a Single Lateral Position
12:25

C-arm-Free Simultaneous OLIF51 and Percutaneous Pedicle Screw Fixation in a Single Lateral Position

Published on: September 16, 2022

4.2K

Related Experiment Videos

Last Updated: Oct 28, 2025

A Teleoperated Robotic System-Assisted Percutaneous Transiliac-Transsacral Screw Fixation Technique
05:57

A Teleoperated Robotic System-Assisted Percutaneous Transiliac-Transsacral Screw Fixation Technique

Published on: January 6, 2023

3.1K
Surgical Fixation of Sternal Fractures: Preoperative Planning and a Safe Surgical Technique Using Locked Titanium Plates and Depth Limited Drilling
15:11

Surgical Fixation of Sternal Fractures: Preoperative Planning and a Safe Surgical Technique Using Locked Titanium Plates and Depth Limited Drilling

Published on: January 5, 2015

64.4K
C-arm-Free Simultaneous OLIF51 and Percutaneous Pedicle Screw Fixation in a Single Lateral Position
12:25

C-arm-Free Simultaneous OLIF51 and Percutaneous Pedicle Screw Fixation in a Single Lateral Position

Published on: September 16, 2022

4.2K

Area of Science:

  • Spine surgery
  • Orthopedic biomechanics
  • Surgical innovation

Background:

  • Pelvic fixation is crucial for long lumbar constructs and complex spinal surgeries.
  • Iliac bolts are less favored due to complications; S2-alar-iliac (S2AI) screws offer a lower-profile alternative.
  • S2AI screws can be prone to toggling and loosening, particularly in the sacrum, risking construct failure.

Observation:

  • Surgeons have observed a tendency for S2AI screws to toggle and loosen, compromising pelvic fixation.
  • The bedrock technique involves augmenting S2AI screws with triangular titanium implants.
  • A case study details the application of this technique in a patient with flat back syndrome and other complex spinal issues.

Findings:

  • The bedrock technique aims to reduce S2AI screw toggling and enhance the stability of pelvic fixation.
  • This augmentation provides a more robust caudal anchor point for spinal instrumentation.
  • The technique is a recent adaptation to improve the reliability of S2AI screw fixation.

Implications:

  • This technique may reduce the incidence of caudal anchor failure and pseudarthrosis in long spinal fusions.
  • Improved pelvic fixation stability can lead to better long-term outcomes for patients undergoing complex spinal reconstruction.
  • The bedrock technique represents a significant advancement in optimizing pelvic fixation for challenging spinal pathologies.