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04/08/2015

Collier cervical: Pas utile ?

Cervical spine injury in dismounted improvised explosive device trauma

Taddeo j et Al. Can J Surg. 2015 Jun; 58(3 Suppl 3): S104–S107

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La mise en place d'un collier cervical est une mesure classique en traumaotlogie routière. Elle n'est cependant pas recommandée en cas de traumatisme d'origine ballistique. La probabilité de lésions instables du rachis semble faible surtout si il s'agit de blessures survenues lors de combat à pied et sans atteinte crânienne associée. L'étude présentée conforte cette position.

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Background

The injury pattern from improvised explosive device (IED) trauma is different if the target is in a vehicle (mounted) or on foot (dismounted). Combat and civilian first response protocols require the placement of a cervical collar on all victims of a blast injury.

Methods

We searched the Joint Theatre Trauma Registry (JTTR) and the Role 3 Hospital, Kandahar Airfield (KAF) database from Mar. 1, 2008, to May 31, 2011. We collected data on cervical fracture; head injury; traumatic amputation; initial blood pressure, pulse, injury severity score (ISS), Glasgow Coma Scale (GCS) score and base excess; and patient demographic information.

Results

The concordance rate between JTTR and KAF databases was 98%. Of the 15 693 admissions in JTTR, 326 patients with dismounted IED injuries were located. The rate of cervical collar prehospital placement was 7.6%. Cervical fractures were found in 19 (5.8%) dismounted IED victims, but only 4 (1.2%) were considered radiographically unstable. None of these 19 patients had prehospital placement of a collar. Patients with cervical spine fractures were more severely injured than those without (ISS 18.2 v. 13.4; GCS 10.1 v. 12.5). Patients with head injuries had significantly higher risk of cervical spine injury than those with no head injury recorded (13.6% v. 3.9%). No differences in frequency of cervical spine injury were found between patients who had associated traumatic amputations and those who did not (5.4% v. 6.0%).

Conclusion

Dismounted IED is a mechanism of injury associated with a low risk for cervical spine trauma. A selective protocol for cervical collar placement on victims of dismounted IED blasts is possible and may be more amenable to combat situations.

| Tags : rachis

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