Improved Coronary Sinus Blood Sampling for Cardiac Research
نویسندگان
چکیده
منابع مشابه
Measurement of Coronary Sinus Blood Flow
In 14 subjects with normal coronary arteries the mean coronary sinus blood flow was 122 25 mI/min (range, 83 to 159 ml/min). The blood flow computed per 100 g of left ventricle was 82 + 16 ml/min, which is in the range of values obtained by nitrous oxide and coincidence counting methods. In 35 patients with arteriographically confirmed coronary artery disease the mean flow was similar (128 + 20...
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The relationship between coronary sinus blood oxygen tension (CSPO2) and myocardial oxygen tension (MPO2) variations during cardiac ischemia and reperfusion was studied in anesthetized open-chest dogs. Oxygen tension was measured by a polarographic method. Ischemia resulted in a slightly decreased CSPO2 and a more pronounced reduction of MPO2. After reperfusion the CSPO2 rose rapidly and transi...
متن کاملRelation between coronary sinus plasma potassium and cardiac arrhythmia.
IT APPEARS to be rather widely accepted that ventricular fibrillation very often follows premature ventricular beats occurring singly, or more often in a rapid series. The premature beat is most likely to lead to fibrillation if it occurs during repolarization of the ventricle (vulnerable period)." The extra systoles resulting from coronary occlusion can well be the cause of the ventricular fib...
متن کاملPartition of coronary flow and cardiac oxygen extraction between coronary sinus and other coronary drainage channels.
• Coronary flow measurements in the intact animal and in man have been based principally on the amount of the coronary sinus drainage. Two assumptions are involved in the use of the coronary sinus drainage as an index of total and of left ventricular coronary flow: (1) The coronary sinus flow is a fixed percentage of total coronary flow, and (2) it represents all or a constant portion of the ve...
متن کاملCarotid Sinus Reflex Control of Coronary Blood Flow
The role of the carotid sinus reflex in control of the blood flow in the left circumflex coronary artery was studied in nine open-chest dogs anesthetized with chloralose. Flow was measured with an electromagnetic flowmeter. The effects of bilateral common carotid occlusion were examined in a three-part experiment in each dog. (1) Under vagotomy (control) conditions, occlusion of both common car...
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ژورنال
عنوان ژورنال: Journal of Clinical & Experimental Cardiology
سال: 2018
ISSN: 2155-9880
DOI: 10.4172/2155-9880.1000568