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NCT06318260
The goal of this clinical trial is to test the effects of the inotropic drug named dobutamine, in patients with wild-type Transthyretin Amyoid Cardiomyopathy (ATTRwt). The main questions it aims to answer are: * What are the effects of increasing dosages of dobutamine infusion on cardiac output and filling pressures in patients with symptomatic ATTRwt. * Safety of dobutamine infusion in this patient population. Participants will be given increasing dosages of dobutamine infusion, and its effect on cardiac output and filling pressures will be assessed non-invasively by echocardiography, and invasively by right heart catheterization, simultaneously.
NCT06186167
This single-practice prospective cohort study aims to enhance the diagnosis of cardiac amyloidosis in high-risk patients undergoing standard cardiac device implantation. By analyzing chest wall fat tissue, which is usually discarded, we aim to determine the diagnostic yield of such biopsies for amyloidosis and to develop a predictive screening model based on clinical, lab, and imaging data. The study, running from December 2023 to December 2024, expects to enroll 100 patients and may provide a new, non-invasive diagnostic avenue for this condition.