Tag Archives: fractional flow reserve

Resting Non-hyperemic Indices and the Goal of 100% Accuracy

By Khawaja Afzal Ammar, MD We all use fractional flow reserve (FFR) in evaluating intermediate lesions in coronary arteries. This increases the procedure time, but it also increases the probability of appropriate interventions that will actually help the patients with … Continue reading

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How to measure coronary collateral function?

By Thorsten Reffelmann The optimal method for quantitation of coronary collateral blood flow remains a matter of discussion. Various angiographic indices as well as flow- and pressure-derived parameters are currently used. The “gold standard” appears to be the pressure-derived collateral … Continue reading

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