Condition: Atrial Fibrillation (AF) · Atrial Fibrillation Mechanisms · Catheter Ablation · Sponsor: Barts & The London NHS Trust
Atrial fibrillation (AF) is the most common heart rhythm disorder, affecting millions worldwide and causing symptoms such as palpitations, fatigue and breathlessness. It also increases the risk of stroke and heart failure, so effective treatment is essential. A treatment for AF involves catheter ablation, a minimally invasive procedure where problematic areas of the heart are targeted using controlled energy. This is done by passing wires called catheters, through blood vessels at the top of the leg all the way to the heart. However, this isn't effective for everyone and approximately half of patients experience a return of AF despite treatment. In this researcher-led study at St Bartholomew's Hospital , the investigators will use a method called electroanatomical mapping to make a 3D picture of the left atrium, the heart's upper left chamber. To make this picture more detailed, information will be collected - such as how strong electrical signals are (voltage), how fast and in which direction they travel through the heart to describe abnormal areas and areas of scar within the heart. Information will also be gathered about the routes electricity takes and the nerve activity in the heart muscle. These detailed maps will help to understand why AF can continue indefinitely in some people, why ablation works for some people and not others, and improve how ablations are done to make them more effective. All participants will undergo catheter ablation with these mapping methods…
This description comes directly from the study's public registry record.
Shohreh Honarbakhsh, MBBS, MRCP, PhD · 02037658682 · shohreh.honarbakhsh@nhs.net
Sayed Al-Aidarous, MBBS, MRCP · sayed.al-aidarous@nhs.net
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| St Bartholomew's Hospital | London, United Kingdom | Recruiting |
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Source record: clinicaltrials.gov/study/NCT07047235