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Fractional Flow Reserve, Coronary Flow Reserve and the Index of Microvascular Resistance in Clinical Practice

… Fractional Flow Reserve, Coronary Flow Reserve and the Index of Microvascular Resistance in Clinical Practice Colin Berry , Register or …

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Article

Why, When and How Should Clinicians Use Physiology in Patients with Acute Coronary Syndromes?

… with ST-elevation MI, the extent of myocardial damage and microvascular dysfunction create a complex conundrum to … management and risk stratification. In this setting, the index of microcirculatory resistance emerged as an accurate tool to identify patients …

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Article

Improvement of Fractional Flow Reserve after Percutaneous Coronary Intervention Does Not Necessarily Indicate Increased Coronary Flow

… increase. However, this theory assumes that hyperaemic microvascular resistance does not change after PCI, which is being refuted … The discrepancy was partly explained by changes in microvascular resistance following PCI. These results suggest …

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Article

How to Diagnose and Manage Angina Without Obstructive Coronary Artery Disease: Lessons from the British Heart Foundation CorMicA Trial

… (INOCA) present a diagnostic and therapeutic challenge. Microvascular and/or vasospastic angina are the two most … product) and myocardial supply:demand ratio (Buckberg index), are important. 12,13 Coronary factors are well … tests provide indirect assessments of myocardial resistance by assessing perfusion during exercise or …

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Article

Assessing the Haemodynamic Impact of Coronary Artery Stenoses: Intracoronary Flow Versus Pressure Measurements

… coronary flow reserve (CFR), a combined pressure and flow index with a strong ability to predict clinical outcomes in … between FFR and CFR, which is explained by the effect of microvascular resistance on both indices. Both epicardial and …

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Article

Imaging Techniques for the Assessment of Coronary Flow Reserve

… The absence of CFR implies maximal vasodilatation of the resistance vessels at rest and an inability to further … include maximum up-slope or the peak intensity. Up-slope index yields a high diagnostic accuracy for the detection of … in hyperaemic flows is multifactorial and reflects microvascular disease, endothelial dysfunction, abnormalities …

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Article

Women with Stable Angina Pectoris and No Obstructive Coronary Artery Disease: Closer to a Diagnosis

… risk of cardiovascular morbidity and mortality. Coronary microvascular dysfunction (CMD) leads to an impairment of … , no obstructive coronary artery disease , coronary microvascular disease , diagnosis , ischaemia , myocardium , … are conduit vessels, the microcirculation consists of resistance vessels that regulate myocardial blood flow by …

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Article

Physiological Responses to Percutaneous Coronary Intervention

… consequences of percutaneous intervention at a microvascular level. The effect of vessel occlusion on the … intervention while in others there is clear impairment of microvascular flow and an increase in microvascular resistance. Available data do not explain entirely why one …

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Article

Diagnostic Approach to Patients with Stable Angina and No Obstructive Coronary Arteries

… Views: 76 Likes: 0 Downloads: 5 Abstract The diagnosis of microvascular angina (MVA) is usually considered in patients … of coronary blood flow (CBF) and coronary vascular resistance (CVR), suggesting that abnormalities of small … of intracoronary pressure and the calculation of an index of coronary microvascular resistance. In some studies, …

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Article

Prediction of Post Percutaneous Coronary Intervention Myocardial Ischaemia

… that abnormal coronary vasomotion and increased myocardial resistance are frequent determinants of post-percutaneous … , ischaemic heart disease , coronary artery disease , microvascular dysfunction , Disclosure: The authors have no …

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Article