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Cardiac Resynchronisation Therapy (CRT) is an advanced treatment for heart failure that helps restore the heart’s rhythm and improve its ability to pump blood efficiently. In patients with heart failure, the lower chambers of the heart (ventricles) can lose their synchronisation, which affects the heart’s overall function. CRT works by coordinating the contractions of the ventricles, helping the heart pump blood more effectively.
CRT is especially beneficial for patients who suffer from moderate to severe heart failure and have an abnormal heart rhythm, particularly those with left bundle branch block (LBBB). This therapy improves symptoms and can enhance the patient’s quality of life, reduce hospitalisations, and prolong survival.
CRT involves the use of a specialised device, similar to a pacemaker, implanted in the chest. The device sends small electrical impulses to both the left and right ventricles, ensuring they beat more synchronised. This resynchronisation helps the heart pump more efficiently and can reduce the symptoms of heart failure.
CRT is recommended for patients who:
CRT can significantly improve symptoms in such patients and, in some cases, may also prevent the progression of heart failure.
The CRT device is implanted in a minimally invasive procedure, similar to a pacemaker implantation. Here’s an overview of how the procedure works: