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Confirmation of suboptimal protocols in spinal immobilisation?
Mark Dixon1, Joseph O'Halloran2, Ailish Hannigan3
1Paramedic Studies Department, Graduate Entry Medical School, University of Limerick, Limerick, Ireland.
Emergency Medicine Journal : EMJ
|September 13, 2015
Summary
Controlled self-extrication of patients causes less cervical spine movement than traditional methods. This finding supports safer patient handling during road traffic collision rescues.
Area of Science:
- Pre-hospital emergency medicine
- Biomechanics
- Trauma care
Background:
- Spinal immobilization is standard in road traffic collisions despite limited evidence.
- Previous research indicated conventional extrication causes more cervical spine movement than self-extrication.
Purpose of the Study:
- To biomechanically analyze extrication techniques for minimal cervical spine deviation.
- To compare movement across various techniques in a larger, diverse sample.
Main Methods:
- 16 immobilized participants underwent extrication using six techniques.
- Biomechanical sensors and high-speed infrared cameras captured cervical spine movement.
- A 3D mathematical model and ANOVA analyzed movement variations.
Main Results:
- Controlled self-extrication resulted in less cervical spine movement (13.33°) than equipment-aided methods (18.84°).
- Two equipment-aided techniques showed significantly higher movement (p<0.05).
- Participant height and mass were significant predictors of movement.
Conclusions:
- Controlled self-extrication is biomechanically superior for minimizing cervical spine movement in stable patients.
- Findings support previous research on safer extrication techniques.
