Constrictions in the coronary arteries due to atherosclerosis can stop the supply of blood to the heart. This will result in a heart attack. (Foto: sciencepics/Shutterstock/NTB scanpix)

Norway Pumps & Pipes project presented in digital journal Forskning.no

08.01.2018

The project "Non-invasive assessment of the coronary arteries based on data modelling and medical imaging" is presented in the digital journal Forskning.no. This project is one of eight projects that have received funding from Norway Pumps & Pipes.

Reduced blood supply to the heart due to stenosis (plaque) in the coronary arteries is the main cause of angina, and ultimately heart attack, which is one of the most frequent causes of death in Norway. To determine the hemodynamic consequences (severity) of such stenosis common practice at Norwegian hospitals is to perform an invasive catheter-based examination in which one measures the pressure drop over the constriction. The method is called Fractional Flow Reserve (FFR), and is a quantitative measure of how much a stenosis prevents blood flow to the heart muscle. This provides information about whether or not the condition must be treated and also about which treatment is the most suitable. In this project an evaluation of stenosis which is far more gentle to the patient is proposed. The coronary arteries are imaged in three dimensions by using X-ray Computer Tomography (CT), and by solving the equations that describe the blood flow in coronary arteries the behavior of pressure and flow rate in the area near a constriction are predicted. This procedure provides - without surgery - more details about the blood flow than an FFR measurement that is only based on pressure measurements.

The complete article can be downloaded from here: Slik kan oljeteknologi hjelpe hjertepasienter

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