[Extracorporeal life support for treating cardiac arrest]

Area of Science:

• Cardiology
• Critical Care Medicine
• Emergency Medicine

Background:

• Percutaneous extracorporeal life support (ECLS) is increasingly utilized for acute cardiac failure.
• Its application extends to both in-hospital and out-of-hospital cardiac arrests.

Purpose of the Study:

• To systematically review and assess the outcomes of ECLS in patients experiencing cardiac arrest.
• To evaluate the efficacy of ECLS for in-hospital versus out-of-hospital cardiac arrest scenarios.

Main Methods:

• A systematic literature review was conducted, focusing on studies published between 2003 and January 31, 2011.
• Data from nine studies on in-hospital cardiac arrests (724 patients) and three studies on out-of-hospital cardiac arrests (110 patients) were analyzed.

Main Results:

• For in-hospital cardiac arrests, 28.7% of patients (208/724) survived without significant neurological sequelae. Mean low flow duration was 54 minutes.
• For out-of-hospital cardiac arrests, only 4.4% of patients (6/110) survived, despite strict inclusion criteria. Mean low flow duration was 98 minutes.
• Complications included multiorgan failure, hemorrhage, and ischemia, often linked to low flow duration.

Conclusions:

• ECLS use should be encouraged following in-hospital cardiac arrest.
• There is a critical need to improve cardiorespiratory resuscitation training for both the general population and healthcare professionals.
• Further research may be warranted to optimize ECLS protocols and patient selection for out-of-hospital cardiac arrest.