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Related Experiment Video

Updated: May 29, 2026

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
09:51

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve

Published on: September 7, 2022

Has the internal joint stabilizer altered the need for a medial approach in triad injuries?

Todd Phillips1, Caleb Casanova2, Benjamin Fiedler1

  • 1Department of Orthopaedic Surgery, Baylor College of Medicine, Houston, TX, USA.

Journal of Shoulder and Elbow Surgery
|May 27, 2026
PubMed
Summary

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The internal joint stabilizer (IJS) significantly reduces the need for a secondary medial approach in treating terrible triad elbow injuries. This innovative technique improves stability, potentially simplifying surgical repair for complex elbow dislocations.

Area of Science:

  • Orthopedic Surgery
  • Trauma Care
  • Biomedical Engineering

Background:

  • Terrible triad elbow injuries historically require lateral and often supplemental medial surgical approaches for adequate stability.
  • The internal joint stabilizer (IJS) was developed to enhance joint stability via a lateral approach, potentially reducing the need for additional procedures.
  • This study investigates the impact of IJS implementation on the utilization of secondary medial approaches for terrible triad injuries.

Purpose of the Study:

  • To determine if the introduction of the internal joint stabilizer (IJS) decreases the rate of supplemental medial approaches in treating terrible triad elbow injuries.
  • To assess the effectiveness of IJS in achieving elbow joint stability compared to historical data.

Main Methods:

  • Retrospective case series comparing outcomes before and after IJS implementation at a single institution.
Keywords:
Internal joint stabilizerelbow approacheselbow dislocationelbow fractureelbow instabilityterrible triad

Related Experiment Videos

Last Updated: May 29, 2026

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
09:51

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve

Published on: September 7, 2022

  • Data collected included patient demographics, injury characteristics, surgical procedures, and IJS use.
  • Meta-analysis of historical literature was performed to establish pre-IJS medial approach rates; risk ratio was calculated for comparison.

    • Main Results:

    • In the post-IJS cohort, only 3.9% of patients required a supplemental medial approach, compared to historical rates ranging from 18.2% to 53.3% (mean 38.3%).
    • The risk ratio for requiring a medial approach post-IJS was significantly reduced to 0.10 (p < 0.001).
    • The internal joint stabilizer (IJS) was utilized in 70.6% of the post-IJS cohort.

    Conclusions:

    • The internal joint stabilizer (IJS) is associated with a significant decrease in the need for medial-sided approaches for terrible triad elbow injuries.
    • IJS represents a valuable addition to the surgical treatment algorithm for unstable elbow fracture-dislocations.
    • While not eliminating the need for medial approaches in all cases, IJS should be considered in the management of these complex injuries.