• N Arulkumaran, R Suleman, and J Ball.
• Department of Intensive Care Medicine, St George's Hospital, London, Tooting, London SW17 0QT, UK.
• Resuscitation. 2012 Feb 1;83(2):151-8.

ObjectiveOut of hospital cardiac arrest (OHCA) results in a significant mortality and neurological disability in survivors. The application of mild therapeutic hypothermia (MTH) to patients who have suffered an OHCA with a ventricular rhythm results in a significant reduction in mortality and neurological disability in survivors. The optimal timing of this intervention has not been clearly established; however there is emerging evidence to suggest that maximal benefit is gained from initiation at the earliest time point. Despite this, recent surveys have shown a considerable delay in initiating MTH, with variable uptake in emergency departments (EDs), where a number of impediments to delivery have been identified.MethodWe have reviewed the literature to determine what are the barriers to the initiation of MTH in the ED. We also reviewed the literature on the use of ice-cold crystalloids as a practical, simple, effective, and safe method to induce MTH.ResultsAmong the several reasons, the perception of a lack of a practical method and logistical constraints are cited as common barriers. However, the available literature on the use of ice-cold crystalloids suggests that this is a safe and effective method of inducing MTH.ConclusionED staff need to be aware that the use of ice-cold fluids is an inexpensive, readily available and easy to perform method of inducing MTH in patients who suffer an out-of hospital cardiac arrest with a ventricular rhythm. We therefore suggest that ice-cold crystalloid is routinely stocked in emergency departments and, unless contraindicated, is used to induce MTH. Optimal post-resuscitation care also includes timely treatment of the cause of the OHCA and maintenance of MTH. Staff education and care bundles may help to facilitate optimal inter-departmental management of the patient.Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.

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