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The beneficial effects of 40% and 100% O2 inhalations on acutely-induced myocardial ischemia in dogs
Tohoku journal of experimental medicine
The effectiveness of 02 inhalation on the acutely-induced ischemic myocardium in dogs was investigated. In 22 open-chest mongrel dogs, the left anterior descending coronary artery was partially occluded to reduce coronary flow. The regional coronary vein accompanying the artery was cannulated to obtain coronary venous blood. Switching of inspiratory gas from room air to 40% 02 produced an elevation of coronary venous 02 saturation from 35.8 + 12.7 (s.D.) to 41.1 + 11.9% and shifting ofdoi:10.1620/tjem.149.107 pmid:3750317 fatcat:o6ug654c75h7jns6hmupogjspe