Found 1133 clinical trials
A Blind Self Controlled Multicenter Clinical Trial on the Effectiveness and Safety of Noninvasive Flow Reserve Score Analysis Software for Coronary Angiography
This is a blind evaluation, self-control, multicenter clinical trial. 340 patients who need selective operation to evaluate the function of coronary artery were selected and measured with ctffr and FFR. The data of the experimental group was defined as: FFR value at the distal end of stenosis was obtained by …
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- 16 Feb, 2024
- 1 location
Pathogenesis and Mechanisms of Mitral Annular Calcification
Researchers are testing blood or mitral valve tissue to better understand the reasons why Mitral Annular Calcification (MAC) develops in patients with heart disease.
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- 16 Feb, 2024
- 1 location
Comparison of Cardiac Function Between Left Bundle Branch Pacing and Right Ventricular Outflow Tract Septal Pacing in Pacemaker-dependent Patients
The safety and feasibility of permanent HIS bundle pacing have been confirmed in patients with various cardiac diseases. However, the shortcomings of high and unstable threshold, long implantation time, low R-wave amplitude and HIS bundle damage during implantation limit the application of HIS pacing especially in patients with infra-Hisian block.
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- 16 Feb, 2024
- 1 location
Immune Biomarkers of Outcome From COVID-19
Information we have so far about COVID-19 suggests that people with underlying conditions, such as high blood pressure and heart disease, or older people are at higher risk of having severe illness. Scientists do not yet understand why but think it may be related to the immune system.
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- 16 Feb, 2024
- 1 location
Daytime Sleepiness in Patients With the Assessment of a Sleep-related Respiratory Disorder
It is not yet known whether an analysis of daytime sleepiness over the course of the day can predict the diagnosis or severity of sleep apnea. The goal of the study is to examine whether a psychometric determination of daytime sleepiness can adequately and practicably record daytime sleepiness in patients …
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- 05 Aug, 2020
The Malaria Heart Disease Study
The Malaria Heart Disease Study is a prospective longitudinal cohort study of a random sample of approximately 1200 individuals from the state of Acre in Brazil.
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- 05 Aug, 2020
A 10-Minute Cardiovascular Magnetic Resonance Protocol for Cardiac Disease
This study aims to identify and assess new CMR techniques that can improve current CMR protocols.
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- 16 Feb, 2024
- 1 location
Study on Standard Evaluation System and Optimal Treatment Path of Senile Valvular Heart Disease
The key technology research and standard evaluation system of elderly heart valve disease evaluation is to further establish a domestic multi center and large sample full information big data platform of elderly heart valve disease based on the previous Chinese elderly valve disease cohort and clinical research platform and the …
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- 15 Sep, 2021
- 1 location
Management of Heart Failure in Italian Outpatients Clinics: Observational Study (OPTIMA-HF)
OPTIMA-HF is an observational, cross-sectional, multicenter, real-life study conducted in two different clinical settings: HF outpatients' clinics of Italian University Hospitals and territorial Cardiology outpatients' services. Aim of the Optimization of Therapy in the Italian Management of Heart Failure [OpTIMa-HF] Registry is to collect data on HF patients followed in …
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- 15 Mar, 2024
- 2 locations
Hamburg AoRtic Valve cOhoRt
The primary aim of the study is to identify the optimal treatment modality for patients with aortic valve disease, incorporating the individual patient's risk profile and anticipated clinical outcomes. This includes the association of demographic factors, procedural data and biomarkers with clinical outcome in a prospective fashion.
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- 16 Feb, 2024
- 1 location