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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的重要方法之一。同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。二者均为间断测量,且需多次抽取血样,进行测定,操作繁琐,误差较大,不够理想。近年来国外应用氧电极法,极谱组化法及内导管式氧电极等不同方法,进行心肌氧代谢的研究。具有不同的优点与缺点。 参考国内外文献报道的一些方法,经过改进,我室建立了心肌耗氧量的连续测定与同步描记的新方法。经过近百次实验,证实
Myocardial oxygen consumption measurement is one of the important methods to study the basic theory and application of myocardial metabolism, physiology, pathology and pharmacology. With the use of more coronary sinus and carotid (or femoral artery) catheterization, while drawing arterial and venous blood samples, the use of oximeters to measure the oxygen partial pressure of multiple blood samples, and then calculate the myocardial oxygen consumption. Or according to Shuluo blood gas analysis of oxygen content. Both are intermittent measurements, and the need to draw blood samples for many times, the determination of cumbersome operation, the error is larger, less than ideal. In recent years, foreign applications of oxygen electrode method, polarographic group method and the internal catheter oxygen electrode and other different methods of myocardial oxygen metabolism research. Has different advantages and disadvantages. Reference to some of the methods reported in the literature at home and abroad, after the improvement, I set up a room for continuous determination of myocardial oxygen consumption and synchronous tracing a new method. After nearly a hundred experiments confirmed