M.A. UDRIŞTE*, A. NEAGU**

*County Hospital, 36, Aleea Spitalului, 110283 Piteşti, Romania
**Center for Modeling Biological Systems and Data Analysis, Department of Biophysics and Medical Informatics, “Victor Babeş” University of Medicine and Pharmaceutics, Timişoara, 2, E. Murgu Square, 300041 Timişoara, Romania

Abstract. In accordance with the new cardiopulmonary resuscitation (CPR) guidelines, which focus on infusion rather than on ventilation, a hands-only method was proposed that improves both ventilation and perfusion by using an elastic support placed between the patient’s back (along the thoracic vertebrae T8-T10) and the resuscitation plane, thus lifting the spine above the ground. This method has been called resuscitation on support or suspended resuscitation. Using numerical simulation techniques based on finite element analysis, this paper proves that the proposed elevation causes an increase in the anterior-posterior diameter of the thoracic cavity. After each compression during CPR, the elastic support brings the spine back to its initial elevation. This study proves that, provided that the airways are permeable, the elastic support causes an increase in the volume of passively inspired air.
Key words: myocardial infarction, finite element analysis, ANSYS, ventilation.

Corresponding author’s e-mail: udriste_mihai@yahoo.com

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