The Fractional Flow Reserve Method is Used to Calculate The Blood Pressure Difference Across Coronary Stenosis

Fractional Flow Reserve
Fractional Flow Reserve


Fractional Flow Reserve (FFR) is a wire-based technique commonly used in coronary catheterization to measure blood pressure differences across a coronary artery stenosis and flow through a specific part of the coronary artery. During a coronary catheterization, FFR is measured using a standard diagnostic catheter. FFR has been shown to be useful in determining the need for angioplasty or stenting in "intermediate" blockages. A sheath and guidewire are used to insert a catheter into the femoral or radial arteries during coronary catheterization. The wire has a transducer on the tip that measures blood pressure, temperature, and flow in order to determine the severity of the blockage.

FFR measurements must be taken during a period of maximal blood flow. Intravenous (IV) adenosine is the most commonly used method to induce maximal hyperaemia FFR. The FFR analysis of stenosis indicates that additional treatment is required, avoiding the need for multiple invasive procedures. Increased prevalence of cardiovascular disorders and technological advancements are expected to drive the Global Fractional Flow Reserve Market. FFR is a criterion used to determine whether a stenosis is causing inducible ischemia. FFR is a class 1A recommendation in European guidelines and a class 2A recommendation in American guidelines that provide guidelines for angiographic intermediate coronary lesions and revascularization decisions in patients with stable ischemic heart disease.

FFR is a coronary catheterization technique that measures pressure differences across a coronary artery stenosis to see if the stenosis is preventing oxygen delivery to the heart muscle. Fractional Flow Reserve is a technique for measuring blood pressure in a coronary artery using a specialised guidewire. During a coronary angiogram, FFR is measured using a standard diagnostic catheter. The ratio of the maximum achievable blood flow in a diseased coronary artery to the theoretical maximum flow in a normal coronary artery is used to calculate FFR. The ratio of the mean distal coronary pressure to the mean aortic pressure is known as the FFR.

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