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- J M Luce, N A Rizk, and R A Niskanen.
- Crit. Care Med. 1984 Oct 1; 12 (10): 874-8.
AbstractWe studied regional blood flow (QR) using radiolabeled microspheres in 12 anesthetized dogs during cardiopulmonary resuscitation (CPR). A circumferential vest and abdominal binder were used with a mechanical ventilator to deliver 30 simultaneous chest compressions and ventilations per minute. When this device was modified to increase aortic pressure (Pao) during compression and the aortic-to-right atrial pressure gradient (Pao-Pra) during relaxation, cerebral and myocardial QR increased significantly. These findings suggest that QR during CPR can be improved by augmenting perfusion-pressure gradients across the cerebral and coronary circulations.
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