An automated CPR device compared with standard chest compressions for out-of-hospital resuscitation

Jennings, Paul A., Harriss, Linton, Bernard, Stephen, Bray, Janet, Walker, Tony, Spelman, Tim, Smith, Karen, and Cameron, Peter (2012) An automated CPR device compared with standard chest compressions for out-of-hospital resuscitation. BMC Emergency Medicine, 12 (8). pp. 1-5.

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DOI: 10.1186/1471-227X-12-8

View at Publisher Website: http://dx.doi.org/10.1186/1471-227X-12-8

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Abstract

Background: Effective cardiopulmonary resuscitation and increased coronary perfusion pressures have been linked to improved survival from cardiac arrest. This study aimed to compare the rates of survival between conventional cardiopulmonary resuscitation (C-CPR) and automated CPR (A-CPR) using AutoPulse™ in adults following out-of hospital cardiac arrest (OHCA).

Methods: This was a retrospective study using a matched case–control design across three regional study sites in Victoria, Australia. Each case was matched to at least two (maximum four) controls using age, gender, response time, presenting cardiac rhythm and bystander CPR, and analysed using conditional fixed-effects logistic regression. Results: During the period 1 October 2006 to 30 April 2010 there were 66 OHCA cases using A-CPR. These were matched to 220 cases of OHCA involving the administration of C-CPR only (controls). Survival to hospital was achieved in 26% (17/66) of cases receiving A-CPR compared with 20% (43/220) of controls receiving C-CPR and the propensity score adjusted odds ratio [AOR (95% CI)] was 1.69 (0.79, 3.63). Results were similar using only bystander witnessed OHCA cases with presumed cardiac aetiology. Survival to hospital was achieved for 29% (14/48) of cases receiving A-CPR compared with 18% (21/116) of those receiving C-CPR [AOR = 1.80 (0.78, 4.11)].

Conclusions: The use of A-CPR resulted in a higher rate of survival to hospital compared with C-CPR, yet a tendency for a lower rate of survival to hospital discharge, however these associations did not reach statistical significance. Further research is warranted which is prospective in nature, involves randomisation and larger number of cases to investigate potential sub-group benefits of A-CPR including survival to hospital discharge.


Item ID:	40508
Item Type:	Article (Research - C1)
ISSN:	1471-227X
Additional Information:	© 2012 Jennings et al.; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Funders:	Zoll Medical Australia
Date Deposited:	16 Sep 2015 03:45
FoR Codes:	11 MEDICAL AND HEALTH SCIENCES > 1103 Clinical Sciences > 110305 Emergency Medicine @ 34% 11 MEDICAL AND HEALTH SCIENCES > 1117 Public Health and Health Services > 111706 Epidemiology @ 33% 11 MEDICAL AND HEALTH SCIENCES > 1102 Cardiovascular Medicine and Haematology > 110201 Cardiology (incl Cardiovascular Diseases) @ 33%
SEO Codes:	92 HEALTH > 9202 Health and Support Services > 920204 Evaluation of Health Outcomes @ 50% 92 HEALTH > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions) > 920103 Cardiovascular System and Diseases @ 30% 92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920409 Injury Control @ 20%
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