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Related Experiment Video

Updated: Feb 3, 2026

Treatment with Locking Intramedullary Nailing for Intertrochanteric Fracture of the Femur Utilizing a New Awl with a Distal Positioner
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Distal clavicle fractures: A new classification system.

Chul-Hyun Cho1, Beom-Soo Kim1, Du-Han Kim1

  • 1Pain Research Center, Department of Orthopedic Surgery, Dongsan Medical Center, School of Medicine, Keimyung University, 56 Dalseong-ro, Jung-gu, Daegu, South Korea.

Orthopaedics & Traumatology, Surgery & Research : OTSR
|November 6, 2018
PubMed
Summary

A new classification system for distal clavicle fractures shows moderate interobserver and substantial intraobserver reliability. This system aids in making treatment decisions for these common shoulder injuries.

Keywords:
ClassificationDistal clavicleFractureReliability

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Area of Science:

  • Orthopedic Surgery
  • Radiology
  • Medical Imaging

Background:

  • Current distal clavicle fracture classification systems lack reliability and treatment guidance.
  • Accurate classification is crucial for effective patient management and surgical planning.

Purpose of the Study:

  • To assess the interobserver and intraobserver reliability of a novel classification system for distal clavicle fractures.
  • To evaluate the reliability of treatment choices associated with this new classification system.

Main Methods:

  • Eight orthopedic specialists and fellows reviewed radiographs of 74 distal clavicle fractures.
  • Fracture type and treatment were assessed twice, 4 weeks apart, via web survey.
  • Reliability was quantified using Fleiss κ values.

Main Results:

  • The classification system demonstrated moderate interobserver (κ=0.434) and substantial intraobserver (κ=0.644) reliability.
  • Treatment choice reliability was moderate for interobserver (κ=0.593) and substantial for intraobserver (κ=0.698) assessments.
  • No significant reliability differences were found between experienced specialists and fellows.

Conclusions:

  • The new classification system for distal clavicle fractures offers good reliability for both classification and treatment selection.
  • This validated system is expected to improve clinical decision-making and implant choice for orthopedic surgeons.