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心肌耗氧量测定是研究心肌代谢、生理、病理及药理等基本理论与应用科学的重要方法之一,国内多采用冠状静脉窦及颈动脉(或股动脉)插管,同时抽取动脉及静脉血样,利用血氧计测量很多份血样的氧分压,再按公式计算心肌耗氧量,或按舒劳氏血液气体分析法进行氧含量测定,均为间断测量,且需多次抽取血样,进行测定,操作烦琐,误差大,不够理想。近年来国外应用氧
Myocardial oxygen consumption measurement is one of the important methods to study the basic theory and applied science such as myocardial metabolism, physiology, pathology and pharmacology. In our country, coronary sinus and carotid artery (or femoral artery) are often used to take arterial and venous blood samples , The use of oximeter to measure the oxygen partial pressure of many blood samples, then calculate the myocardial oxygen consumption according to the formula, or according to Schouh’s blood gas analysis of oxygen content were measured intermittently, and the need to take multiple blood samples for Determination, cumbersome operation, errors, not ideal. In recent years, foreign applications of oxygen