Dementia 221 (image) Intermountain Medical Center Share Print E-Mail Caption New study finds that performing catheter ablations on patients who suffer from both atrial fibrillation and carotid arterial disease reduces their risk of dementia and stroke compared to managing their care with medications. Credit Intermountain Healthcare Heart Institute. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.