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Browse 7,313 clinical trials for heart disease. Find studies that match your criteria and connect with research centers.
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Showing 3541-3560 of 7,313 trials
NCT05079724
The study aims to identify the Following: - 1. incidence and mortality of cardiac Surgery associated -AKI based on the new consensus diagnostic systems of KDIGO (Kidney Disease Improving Global Outcomes). 2. use of biomarkers for the early detection of clinical and subclinical cardiac Surgery associated-AKI. 3. risk factors and prediction models of cardiac Surgery associated-AKI. 4. optimal cardiac surgical procedures including conventional versus minimally invasive approaches, on-pump versus off-pump, and optimal management of cardiac surgical support including duration of CPB, perfusion pressure, hemodilution, and hypothermia during CPB. 5. controversial pharmacologic therapies for the prevention and treatment of cardiac Surgery associated-AKI including statins, sodium bicarbonate, and N-acetylcysteine (NAC).
NCT03356652
Background Cardiac Resynchronization Therapy (CRT) is proven to improve survival and heart function of patient with certain electrical conduction abnormality and heart failure. However, in patient with certain electrical conduction abnormality, a good response is observed in less than 40% in patient receiving CRT. Conventionally the surgical approach of CRT is to implant one pacing lead in the right heart and one in the left heart to resynchronize the contraction and the pacing lead in the left heart is usually placed in the posterior or lateral portion of the left heart. However, this single approach may not be optimal, especially for those patients with conduction abnormality known to have poor response to CRT. Purpose of the clinical investigation The purpose of the Electrical Activation Guided CRT Study is to study the effectiveness of a tailored made approach to CRT procedure by using a noninvasive globally mapping system studying the electrical conduction under different approaches to delivery CRT. The pacing approach that optimally corrects conduction abnormality will be determined before the actual implantation procedure. Conduct of the Investigation This study will include 93 patients with conduction abnormality that known to have a poor response to CRT from Prince of Wales Hospital, Hong Kong.Subjects will be followed up at 3 months and 6 months visit.