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Measurement of myocardial blood flow response to the cold pressor test with myocardial perfusion CMR

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A scatter plot demonstrating the negative relationship between Coronary Vascular Resistance (CVR) and Myocardial Blood Flow (MBF, ml/g/min) for each perfusion examination.
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Figure 1: A scatter plot demonstrating the negative relationship between Coronary Vascular Resistance (CVR) and Myocardial Blood Flow (MBF, ml/g/min) for each perfusion examination.

Mentions: MBF increased significantly from rest to CPT (1.5±0.5 to 2.3±0.6 ml/g/min, p=0.004) and from CPT to stress (4.4±0.8, p<0.001) (Table 1). Endocardial MBF was significantly higher than epicardial MBF at rest (p<0.001) and during CPT (p=0.008), however during adenosine hyperaemia epicardial MBF was higher (p=0.043). Regression analysis of haemodynamic factors identified Coronary Vascular Resistance (CVR) as the only independent predictor of MBF during rest, CPT and adenosine, (Figure 1).


Measurement of myocardial blood flow response to the cold pressor test with myocardial perfusion CMR
A scatter plot demonstrating the negative relationship between Coronary Vascular Resistance (CVR) and Myocardial Blood Flow (MBF, ml/g/min) for each perfusion examination.
© Copyright Policy - open-access
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC3106485&req=5

Figure 1: A scatter plot demonstrating the negative relationship between Coronary Vascular Resistance (CVR) and Myocardial Blood Flow (MBF, ml/g/min) for each perfusion examination.
Mentions: MBF increased significantly from rest to CPT (1.5±0.5 to 2.3±0.6 ml/g/min, p=0.004) and from CPT to stress (4.4±0.8, p<0.001) (Table 1). Endocardial MBF was significantly higher than epicardial MBF at rest (p<0.001) and during CPT (p=0.008), however during adenosine hyperaemia epicardial MBF was higher (p=0.043). Regression analysis of haemodynamic factors identified Coronary Vascular Resistance (CVR) as the only independent predictor of MBF during rest, CPT and adenosine, (Figure 1).

View Article: PubMed Central - HTML

No MeSH data available.