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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XV | Pages 15 - 15
1 Apr 2012
Taylor D Vater G Parker P
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Haemorrhage is the main cause of preventable death on the modern battlefield. As IEDs in Afghanistan become increasingly powerful, more proximal limb injuries occur. Significant concerns now exist about the ability of the CAT tourniquet to control distal haemorrhage following mid thigh application.

Aim

To evaluate the efficacy of the CAT windlass tourniquet in comparison to the newer EMT pneumatic tourniquet.

Method

Serving soldiers were recruited from a military orthopaedic outpatient clinic. Participants' demographics and blood pressure were recorded and a short medical history obtained to exclude any arteriopathic conditions. Doppler ultrasound was used to identify the popliteal pulses bilaterally. The CAT was randomly self-applied by the participant at mid thigh level and the presence or absence of the popliteal pulse on Doppler was recorded. The process was repeated on the contralateral leg with the CAT now applied by a trained researcher. Finally the EMT tourniquet was self applied to the first leg and popliteal pulse change Doppler recorded again.