Key result
When coronary driving pressure was reduced or increased beyond the autoregulatory range, myocardial blood volume decreased to maintain constant capillary hydrostatic pressure.
Authors
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May inform microvascular assessment in extreme coronary pressures; leaves open any clinical translation pending prospective studies.
D. Elizabeth Le (2004) studied Coronary driving pressure changes (n=18). Alteration of coronary driving pressure vs. Baseline/normal pressure was evaluated on Myocardial blood volume fraction and myocardial blood flow. When coronary driving pressure was reduced or increased beyond the autoregulatory range, myocardial blood volume decreased to maintain constant capillary hydrostatic pressure.
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