EVALUATION AND MODIFICATIONS TO THE EXTERNAL CARDIOVASCULAR SUPPORT SYSTEM

Authors
  1. Belbeck, L.W.
  2. Gourlay, K.C.
  3. Powles, A.C.P.
Corporate Authors
McMaster Univ Medical Centre, Hamilton ONT (CAN);Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN)
Abstract
A device to maintain blood flow in the situation of cardiac arrest was designed and developed at DCIEM. The device essentially consists of anti-G trousers and a positive pressure breathing jerkin which are alternately inflated from a compressed air source through a series of timer-controlled valves. Chest jerkin inflation is synchronized with positive airway pressure. The device was evaluated in a series of 7 experiments in mongrel dogs. In the first six, no cardiac output could be measured using Swan-Ganz catheters, in the cardiac arrest situation. Manual CPR produced flows 35-50% of control. In the seventh experiment, cardiac output was transiently sustained with the device for 90 seconds at 35-50% of control levels, when combined with a dopamine infusion.
Date of publication
15 Dec 1983
Number of Pages
17
DSTKIM No
84-02221
CANDIS No
121610
Format(s):
Originator's fiche received by DSIS;Hardcopy

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