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Tissue oxygen saturation measurement in prehospital trauma patients: a pilot, feasibility study
Richard M Lyon1, Julian Thompson, David J Lockey
1Pre-hospital Care, London's Air Ambulance & Emergency Medicine Research Group Edinburgh, The Helipad, Royal London Hospital, Whitechapel Road, London E1 1BB, UK. richardlyon@doctors.org.uk
Background:
This study evaluated the feasibility of prehospital tissue oxygen saturation (StO₂) in major trauma patients.
Methods:
A prospective, pilot feasibility study carried out in a physician based prehospital trauma service.
Results:
Prehospital StO₂ was recorded on 13 patients. Continuous StO₂ monitoring was achieved on all patients, despite intermittent failure of pulse oximetry and non-invasive blood pressure monitoring in six patients. No adverse outcomes of StO₂ monitoring were reported. The specific equipment used was reported to be inconveniently bulky and heavy for use in the prehospital setting.
Conclusions:
Prehospital measurement and monitoring of StO₂ is feasible in trauma patients undergoing prehospital anaesthesia and may be useful in the early identification of shock, triggering of transfusion protocols and guiding fluid resuscitation.
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