Targeted temperature management: State of the Art
, 2, 3
Abstract
One of the indicated elements of post-resuscitation care is therapeutic hypothermia or temperature treatment management. the survivability of out-of-hospital cardiac arrest (OHCA) till admission to hospital is only 23%. Efficient thermoregulatory mechanisms are the basis for maintaining optimal body temperature. Therapeutic hypothermia shows normalizing effect on metabolic processes disturbed in ischaemic conditions, including improving metabolism and maintaining glucose balance in the brain, lowering the concentration of lactates, limiting the secretion of free radicals in damaged neurons, lowering the production of pro-inflammatory cytokines, stabilizes the blood-brain barrier and reduces endothelial dysfunction preventing ischaemic damage to tissues and organs. Hypothermia has a wide multidirectional effect on the human body, which can be useful in patients. Most available scientific studies show the efficacy and benefits of hypothermia in patients with out-of-hospital sudden cardiac arrest, including especially with ventricular fibrillation. The delay in the initiation of therapeutic hypothermia and reaching target temperature significantly increased the odds of a poor neurological outcome. Current American Heart Association (AHA) and European Resuscitation Council (ERC) resuscitation guidelines recommend that targeted temperature management should be implemented in all adult coma patients with return of spontaneous circulation (ROCS) after sudden cardiac arrest. The target temperature should be between 32°C and 36°C and then maintained for at least 24 hours. In patients with coma after TTM, fever should be actively prevented. For patients with out-of-hospital cardiac arrest, it is not recommended to routinely cool patients in prehospital conditions with a rapid intravenous infusion of cold fluids after ROSC.
Keywords: targeted temperature managementtherapeutic hypothermiacardiopulmonary resuscitationpost resuscitation care
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