Clinical Research Directory

Cardiac Magnetic Resonance - PROgnostic HEart Scar for Sudden Cardiac Death Prediction StudY

The purpose of this observational study is to investigate whether myocardial scar characteristics assessed by cardiac magnetic resonance (CMR) can predict the risk of out-of-hospital sudden cardiac death (SCD) after myocardial infarction (MI). It aims to answer two primary questions: What is the association between CMR-assessed myocardial scar and post-MI SCD? Can we develop an imaging-clinical multimodal risk score for post-MI SCD? Participants included in this study had previously undergone CMR imaging during the stable phase following their MI as part of their prior clinical care. Prognostic data for these participants are collected through clinic visits and telephone follow-up.

Automated Cardiac Arrest Detection and Alerting in Daily Life

Surviving a cardiac arrest that happens outside the hospital depends on quickly recognizing the event and immediately starting CPR. Survival rates have improved when cardiac arrest is witnessed, but when it isn't, help often arrives too late. Wearable biosensors, like special wristbands, could detect cardiac arrest automatically and alert emergency responders, providing faster help. In the already finished DETECT-1 study, the investigators developed a system that uses wrist-worn sensors to identify cardiac arrest. The goal of the current study is to test how well this system works in people who have an implantable cardioverter defibrillator (ICD). An ICD is a device that monitors and treats dangerous heart rhythms. Study participants will wear a medical wristband with sensors that monitor the heartrate and movement during their daily activities to see if the system accurately detects cardiac arrest.