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Eur Spine J. 2016 Jul;25(7):2173-84. doi: 10.1007/s00586-015-3831-3. Epub 2015 Feb 26.

AOSpine subaxial cervical spine injury classification system.

Author information

1
Rothman Institute, Thomas Jefferson University, Philadelphia, PA, USA. alexvaccaro3@aol.com.
2
Rothman Institute, Thomas Jefferson University, Philadelphia, PA, USA.
3
University Medical Center, Utrecht, The Netherlands.
4
Department of Orthopaedic and Trauma Surgery, Klinikum Suedstadt Rostock, Suedring 81, 18059, Rostock, Germany.
5
Schön Klinik Nürnberg Fürth, Center for Spinal Surgery, Fürth, Germany.
6
Berufsgenossenschaftliche Unfallklinik Frankfurt, Center for Spinal Surgery and Neurotraumatology, Frankfurt, Germany.
7
University of Toronto Spine Program and Toronto Western Hospital, Toronto, ON, Canada.
8
University of British Columbia, Vancouver, BC, Canada.
9
University of Maryland Medical Center, College Park, MD, USA.
10
Ganga Hospital, Coimbatore, Tamil Nadu, India.
11
Catholic University of Parana, Curitiba, Brazil.

Abstract

PURPOSE:

This project describes a morphology-based subaxial cervical spine traumatic injury classification system. Using the same approach as the thoracolumbar system, the goal was to develop a comprehensive yet simple classification system with high intra- and interobserver reliability to be used for clinical and research purposes.

METHODS:

A subaxial cervical spine injury classification system was developed using a consensus process among clinical experts. All investigators were required to successfully grade 10 cases to demonstrate comprehension of the system before grading 30 additional cases on two occasions, 1 month apart. Kappa coefficients (κ) were calculated for intraobserver and interobserver reliability.

RESULTS:

The classification system is based on three injury morphology types similar to the TL system: compression injuries (A), tension band injuries (B), and translational injuries (C), with additional descriptions for facet injuries, as well as patient-specific modifiers and neurologic status. Intraobserver and interobserver reliability was substantial for all injury subtypes (κ = 0.75 and 0.64, respectively).

CONCLUSIONS:

The AOSpine subaxial cervical spine injury classification system demonstrated substantial reliability in this initial assessment, and could be a valuable tool for communication, patient care and for research purposes.

KEYWORDS:

AOSpine; Cervical; Classification; Injury; Spine; Subaxial; Trauma

PMID:
25716661
DOI:
10.1007/s00586-015-3831-3
[Indexed for MEDLINE]

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