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犬肥厚心肌中的冠状动脉血流与心肌氧消耗

Coronary blood flow and myocardial O2 consumption in hypertrophied cardiac muscle in dogs.

作者信息

Marchetti G V, Merlo L, Visioli O

出版信息

Adv Cardiol. 1976;18(0):93-103. doi: 10.1159/000399515.

DOI:10.1159/000399515
PMID:136176
Abstract

In dogs with experimental cardiac hypertrophy in resting conditions, coronary blood flow and myocardial O2 consumption increased proportionately to the cardiac mass; coronary flow and O2 consumption per gram of myocardium, therefore, ranged within normal values. The coronary reserve, neasured as the percentage increase in the coronary blood flow from rest till peak flow during reactive hyperaemia, was noticeably reduced, because it was partially utilized, even at rest, and consequently the possibility of an increase in flow after exercise or stress was diminished.

摘要

在静息状态下患有实验性心肌肥大的犬中,冠状动脉血流量和心肌耗氧量与心脏质量成比例增加;因此,每克心肌的冠状动脉血流量和耗氧量在正常范围内。冠状动脉储备,即反应性充血期间从静息到峰值流量时冠状动脉血流量增加的百分比,明显降低,因为即使在静息状态下它也被部分利用,因此运动或应激后血流量增加的可能性减小。

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Coronary blood flow and myocardial O2 consumption in hypertrophied cardiac muscle in dogs.犬肥厚心肌中的冠状动脉血流与心肌氧消耗
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Cardiac function, coronary flow and MVO2 in hypertrophy induced by pressure and volume overloading.压力和容量超负荷诱导的心肌肥厚中的心脏功能、冠脉血流及心肌耗氧量
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