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NCT07450196
In China, bicuspid aortic valve (BAV) represents a significantly high proportion of the transcatheter aortic valve replacement (TAVR) population. The application of TAVR in patients with BAV is challenging due to complex anatomy. To date, no prospective study has evaluated the Sapien 3 TAVR in patients with Type-0 BAV.
NCT07273669
The goal of this clinical trial is to evaluate whether LOLE.K, a new and specialized robotic bed, is effective in the rehabilitation of patients who have undergone surgery. The primary objectives of the trial are: * Efficacy of LOLE.K: Does the LOLE.K robotic bed improve early rehabilitation in patients who undergone cardiac surgery? * Impact on recovery: Does LOLE.K influence wound healing, muscle and neurological recovery, and psychological well-being? To address these questions, the researchers will compare the use of LOLE.K with standard physical therapy to determine whether the robotic bed results in better outcomes in post-operative rehabilitation.
NCT06830499
Safety, effectiveness and durability of Sapien 3 transcatheter aortic valve replacement in young aortic valve stenosis patients from China：A multi-center, retrospective and prospective, single arm, observational study
NCT06753227
The aim of this prospective registry is to compare invasive versus echocardiography-derived transvalvular gradients before and after TAVI with balloon-expandable THVs.All patients will undergo a transthoracic echocardiogram in the operating room prior to aortic valve implantation. In addition, two catheters (one in the ventricle and one in the aorta) will be used to invasively measure the transvalvular gradient both before and after aortic valve implantation. The invasive measurements will be performed in different positions of the ventricle and aorta simultaneously. At the end of the procedure, aortic gradient measurement by echocardiography shall be performed again. A maximal three months follow-up is expected.
NCT06637540
The goal of this study is to evaluate a new device called RescueDoppler (RD), which measures continuous blood flow in the common carotid artery. The device is handsfree and operator- independent. The research will involve adult participants who are undergoing cardiac surgery at St. Olavs Hospital in Trondheim, Norway. The aim of the first part of the study is to evaluate the RescueDoppler system in comparison to conventional Doppler ultrasound, which is commonly used to assess blood flow in carotid artery. The researchers will measure blood flow in the left common carotid artery in three different reversible situations: * when the participant is resting, * when there is increased blood flow (passive leg raise) and * when there is decreased blood flow ( breathing against a resistance). We will initially conduct the investigation using the conventional Doppler. Subsequently, we will repeat the interventions with the RD patch positioned over the left common carotid artery. The RD patch will stay positioned over the left carotid artery after the completion of the comparison phase. In the subsequent phase, the focus will shift to transitions between normal blood flow and low or absent blood flow and the RescueDopplers ability to detect. During cardiac surgery, participants will experience fluctuations in blood pressure, pulse, and circulation. By measuring blood flow with the RescueDoppler during these variations, researchers will evaluate the device´s capability to monitor different blood flow patterns. Overall, the study aims to provide valuable insights into the effectiveness of the RescueDoppler in a clinical setting where changes in blood flow are expected.