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New heart implant reduces risk of stroke

A new heart implant called ‘Watchman FLX’ that can help reduce the risk of stroke by up to 80 per cent is now available to Trust patients.

The device sits inside the pouch in the left chamber of the heart where blood clots typically form and is an updated version of an older system with the same name. It is offered to patients with atrial fibrillation, the most common form of irregular heartbeat affecting around one million people in the UK, and was introduced in August 2019.

Patients with atrial fibrillation often rely on long-term blood-thinning drugs, but these can increase the risk of uncontrollable bleeding. The new Watchman device offers a permanent alternative to medication by sitting within the heart pouch, preventing clots from escaping to cause strokes.

It is available in different widths and is made of a flexible, thin metal that moulds to fit the individual. Royal Brompton’s honorary consultant cardiologist and electrophysiologist, Dr Sandeep Panikker, said: “All patients are different and so are their hearts. The previous version of the device couldn’t fit smaller, bigger and irregular shapes.”

The device is also a good option for people who forget to, or are unable to take medication. Dr Panikker added: “With blood thinners, you have to be committed to taking them for the rest of your life. Lots of people don't want to do this. If you miss a dose, there can be problems. But with this device you don’t have to worry.”

Dr Sandeep Panikker
Dr Sandeep Panikker, honorary consultant cardiologist and electrophysiologist, inserting a Watchman FLX implant

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