Non-invasive Diagnosis of Coronary Microvascular Disease: Pilot Study

* 40% of patients presenting with stable chest pain (angina) have no significant blockage of the main heart arteries. Identifying why these patients have symptoms will mean better treatment options can be developed. * About 60% of these patients have evidence of coronary microvascular disease (CMD). In this condition there is a problem with the heart's microvessels (very small blood vessels that branch from the main heart arteries). Due to problems with these vessels there is a mismatch between the blood supply to the heart and its oxygen consumption, causing chest pain and this can also lead to major heart events. * At present, to diagnose this condition, specialised techniques during an invasive test, called a coronary angiogram, are required. As this is an invasive test, it can be lead to complications and cause discomfort. * Non-invasive ways of diagnosing CMD are required to improve the diagnosis and management of this condition. * This study aims to provide initial data on whether novel imaging techniques using CT and MRI scans, which are much less invasive, could identify CMD. * To do this, patients with suspected angina referred for angiography and who are already participants in the main research study 'CMR versus CT-FFR in CAD' study will be recruited. * These will be patients with suspected CMD and also those with blockage of the main heart arteries (triple vessel disease) to compare against. * Participants in this pilot study will have additional tests used to dia…

This description comes directly from the study's public registry record.

Ranjit Arnold  ·  +44116 258 3038  ·  jra14@leicester.ac.uk

Sarah L Ayton, MBBS  ·  sa768@leicester.ac.uk

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