Haemodynamics and Ventricular Arrhythmias During Exercise in Patients With Arrhythmogenic Cardiomyopathy

Patients with definitive and borderline arrhythmogenic cardiomyopathy (ACM) are usually recommended to refrain from high intensity exercise due to an increased risk of malignant arrhythmias. However, little is known about the effects of prolonged, low-to moderate endurance or resistance exercise on the burden of arrhythmias or central haemodynamics. This pilot interventional study assesses the impact of these modes of exercise on the electrophysiological substrate of the right ventricle (RV), measured by mapping of the RV, and central haemodynamics assessed by right heart catheterization. Patients older than 18 years of age with diagnosed borderline and definitive ACM are included with or without implantable cardioverter-defibrillator (ICD).