American Journal of Emergency Medicine
Volume 25, Issue 7 , Pages 786-790, September 2007

A new cardiopulmonary resuscitation method using only rhythmic abdominal compression:☆

A preliminary report

  • Leslie A. Geddes, ME, PhD, DSc

      Affiliations

    • Weldon School of Biomedical Engineering, Purdue University, W Lafayette, IN 47907, USA
    • Corresponding Author InformationCorresponding author. Tel.: +1 765 494 2997; fax: +1 765 494 1193.
    • ,
  • Ann Rundell, PhD

      Affiliations

    • Weldon School of Biomedical Engineering, Purdue University, W Lafayette, IN 47907, USA
    • ,
  • Aaron Lottes, BCh, MBA, PhD

      Affiliations

    • Weldon School of Biomedical Engineering, Purdue University, W Lafayette, IN 47907, USA
    • ,
  • Andre Kemeny, MS

      Affiliations

    • Basic Medical Sciences, Purdue University, W Lafayette, IN 47907, USA
    • ,
  • Michael Otlewski, BS

      Affiliations

    • Basic Medical Sciences, Purdue University, W Lafayette, IN 47907, USA

Received 13 December 2006; received in revised form 27 March 2007; accepted 3 April 2007.

Abstract 

This article introduces 2 new cardiopulmonary resuscitation (CPR) concepts: (1) the use of only rhythmic abdominal compression (OAC) to produce blood flow during CPR with ventricular fibrillation and (2) a new way of describing coronary perfusion effectiveness, namely, the area between the aortic and right atrial pressure curves, summed over 1 minute, the units being millimeters of mercury per second. We call this unit the coronary perfusion index (CPI). True mean coronary perfusion pressure is CPI/60. We also relate CPI during CPR with ventricular fibrillation to the CPI for the normally beating heart in the same animal, obtained before each experiment.

This 11-pig (25-35 kg) study compares the CPI for standard chest-compression CPR and that obtained with OAC-CPR. The coronary perfusion ratio for OAC-CPR compared with standard chest-compression CPR was 1.6 ± 0.73 (P = .024). In other words, OAC-CPR produced 60% more coronary perfusion than standard chest-compression CPR, with no damage to visceral organs.

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☆ Supported by the Purdue Trask Fund.

PII: S0735-6757(07)00250-1

doi:10.1016/j.ajem.2007.04.001

Refers to erratum:

  • Erratum

    L.A. Geddes
    American Journal of Emergency Medicine March 2008 (Vol. 26, Issue 3, Page 378)

American Journal of Emergency Medicine
Volume 25, Issue 7 , Pages 786-790, September 2007

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