Resuscitation
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Review Meta Analysis
Advanced life support versus basic life support in the pre-hospital setting: a meta-analysis.
The scientific evidence of a beneficial effect of ALS in pre-hospital treatment in trauma patients or patients with any acute illness is scarce. The objective of this systematic review of controlled studies was to examine whether ALS, as opposed to BLS, increases patient survival in pre-hospital treatment and if so, to identify the patient groups that gain benefit. ⋯ Implementation of ALS care to non-traumatic cardiac arrest patients can increase survival and further research is unlikely to change our confidence in the estimate of the effect. On the contrary, in trauma patients our meta-analysis revealed that ALS care is not associated with increased survival. However, only few controlled studies of sufficient quality and strength examining survival with pre-hospital ALS treatment exist.
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Randomized Controlled Trial Comparative Study
Effect of adrenaline on survival in out-of-hospital cardiac arrest: A randomised double-blind placebo-controlled trial.
There is little evidence from clinical trials that the use of adrenaline (epinephrine) in treating cardiac arrest improves survival, despite adrenaline being considered standard of care for many decades. The aim of our study was to determine the effect of adrenaline on patient survival to hospital discharge in out of hospital cardiac arrest. ⋯ Patients receiving adrenaline during cardiac arrest had no statistically significant improvement in the primary outcome of survival to hospital discharge although there was a significantly improved likelihood of achieving ROSC.
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Randomized Controlled Trial
Therapeutic hypothermia after cardiac arrest - cerebral perfusion and metabolism during upper and lower threshold normocapnia.
During cardiac arrest and after successful resuscitation a continuum of ischaemia-reperfusion injury develops. Mild hypothermia exerts protective effects in the postresuscitation phase but also alters CO₂ production and solubility, which may lead to deleterious effects if overlooked when adjusting the ventilation of the resuscitated patient. Using a multimodality approach, the effects of different carbaemic states on cerebral perfusion and metabolism were evaluated during therapeutic hypothermia. ⋯ During induced hypothermia, lower threshold normocapnia was associated with decreased cerebral perfusion/oxygenation but not reflected to interstitial metabolites. Upper threshold pCO₂ increased cerebral perfusion and reduced cerebral lactate. Vigilance over the ventilatory and CO₂ analysis regimen is mandatory during mild hypothermia.