Cardiopulmonary resuscitation in a swine model of cardiac arrest

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Published: Nov 24, 2017
DOI: https://doi.org/10.12681/jhvms.14988
Keywords:
Swine ALS coronary perfusion pressure cardiac arrest cardiopulmonary resuscitation
T. XANTHOS (Θ. ΞΑΝΘΟΣ)
University of Athens, Department of Experimental Surgery and Surgical Research
E. BASSIAKOU (Ε. ΜΠΑΣΙΑΚΟΥ)
University of Athens, Department of Experimental Surgery and Surgical Research
D. PAPADIMITRIOU (Δ. ΠΑΠΑΔΗΜΗΤΡΙΟΥ)
University of Athens, Department of Experimental Surgery andSurgical Research
E. KOUDOUNA (Ε. ΚΟΥΔΟΥΝΑ)
University of Athens, Department of Experimental Surgery and Surgical Research
P. LELOVAS (Π. ΛΕΛΟΒΑΣ)
University of Athens, Department of Experimental Surgery and Surgical Research
L. PAPADIMITRIOU (Λ. ΠΑΠΑΔΗΜΗΤΡΙΟΥ)
University of Athens, Department of Experimental Surgery and Surgical Research
Abstract

Introduction: Cardiac arrest (CA) is a daunting medical emergency. In order to answer various questions regarding CA, and furthermore to implement novel therapeutic strategies, various animal models have been used.

Aim: The aim of the present study is to describe the experimental model of CA and cardiopulmonary resuscitation (CPR), developed in our department.

Materials and methods: Twenty pigs were anaesthetized and intubated. The internal jugular veins were surgically prepared, together with the carotid artery. Ventricular fibrillation (VF) was induced with an ordinary lithium battery through a pacing wire inserted into the right ventricle. The animals were resuscitated with the 2005 advanced life support algorythm (ALS), as proposed by International organizations. If the animals restored spontaneous circulation, they were further monitored for 30 minutes.

Results: Nine animals restored spontaneous circulation with the implementation of the aforementioned protocol. Successful resuscitation was associated with the coronary perfusion pressure and PETCQ2 during external cardiac compressions.

Conclusions: The use of an ordinary lithium battery is a safe and efficient way to induce CA. Swine baseline hemodynamics closely resemble those of human, making the swine model, a favorable model for experimental CA-induction and CPR.

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