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Coronary artery pressure and flow analysis

Dr Sukhjinder Nijjer is a Specialist Registrar in Cardiology and a MRC Clinical Research Fellow undertaking a PhD at the International Centre for Circulatory Health.

His research integrates invasive and non-invasive coronary artery pressure and flow analysis to better understand how blood flow in the coronary arteries is affected by blockages and heart valve conditions.

Chest pain and breathlessness are common in patients with blocked coronary arteries and is commonly treated with stents. Choosing when and where to put the stents can be difficult and Cardiologists often rely upon experience and judgment. Sukhjinder is using a combination of invasive pressure and flow information together with three dimensional reconstructions of coronary arteries to help Cardiologists identify where best to place stents.

In some cases, patients with normal coronary arteries have symptoms of chest pain. This is common in patients with aortic stenosis, where a narrowed heart valve places strain on heart function. Only a heart operation will help but knowing when to do the operation requires balancing risks of surgery and the risks of heart damage. Using wave intensity analysis it is possible to detect the early changes that indicate a reduction in blood flow before the heart muscle is damaged. To make this really useful for patients, Sukhjinder is developing a non-invasive to assess when patients with aortic stenosis have a reduction in their blood supply and so help identify those patients who need to undergo heart valve surgery before heart damage occurs.

3d reconstruction Sukhjinder Nijjer

‘Knowing how coronary blood flow is affected by different types of disease will help us treat patients more precisely. The aim is develop systems and tests that are simple to use, reliable and genuinely helpful to both patients and clinicians in clinical practice’.



Dr Sukhjinder Nijjer

Contact:  Eric Stevenson    Email:  info@ffch.org    Phone:  020 7594 5678