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Reducing strokes caused by tiny air bubbles entering bloodstream during heart surgery

 Last Update: 2022-05-21
 Source: Internet
 Author: User

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Researchers from the University of Bristol are studying how to reduce strokes and other brain problems after heart surgery, which can be caused by tiny air bubbles left in the blood when the heart is opened

Stroke is one of the most devastating complications after heart surgery, but it's rare (about one percent of people undergoing heart surgery)

Placing carbon dioxide around the heart during heart surgery is thought to reduce the amount of tiny air bubbles entering the bloodstream, as carbon dioxide dissolves in the blood more easily than air

The study, led by Dr Ben Gibison and researchers from the Bristol Heart Institute and the Bristol Trial Centre, plans to find out if this is true and how effective it is

In this study, the researchers will compare carbon dioxide to medical air to see if carbon dioxide is effective in reducing stroke

Researchers will randomly select 704 participants from across the UK who are undergoing heart valve surgery to receive either carbon dioxide or medical air (placebo)

The study began in October 2021, with results expected in April 2024

Dr Gibison, Senior Consultant Lecturer in Cardiac Anaesthesia and Intensive Care at the University of Bristol, said: "If you come in for heart surgery now, you have a 50 per cent chance of getting carbon dioxide into the wound

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