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Browse 6,279 clinical trials for heart disease. Find studies that match your criteria and connect with research centers.
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Showing 921-940 of 6,279 trials
NCT07099417
It is a prospective, controlled, single-center, observational, non-randomized study. The study is planned to include at least 1000 patients over 18 years old in the training sample and 200 patients over 18 years old in the test sample (the total number of patients is at least 1200 people). All patients will undergo an echocardiography examination with a comprehensive analysis of the function of the valves and other structures of the heart according to current recommendations by two independent experts. Registration of electrocardiogram will be performed immediately after echocardiography using a single lead ECG monitor (in I standard lead) for 1 minutes. The obtained data will be stored in the remote monitoring center of Sechenov University without being linked to the personal data of patients. A spectral analysis of the electrocardiogram will be performed using a continuous wavelet transform. The result of this study will be the identification of ECG parameters that will correlate with valvular heart disease.
NCT07097168
The goal of this observational study is to use the WHOOP device to measure heart rate variability (HRV) in patients with coronary artery disease (CAD) before and after they have CABG (coronary artery bypass graft) surgery. The main questions it aims to answer are: * Can changes in HRV, measured by the WHOOP device, help predict how well patients with CAD will recover after CABG surgery? * Can HRV changes during the hospital stay give doctors useful information about the patient's recovery? Participants will: * Wear the WHOOP device before and after their CABG surgery to measure HRV. * Share their health information to help researchers see how changes in HRV are connected to recovery. This study will help find out if the WHOOP device can be used as a medical tool to track recovery in patients with CAD after CABG surgery.