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Active clinical trials for "Heart Diseases"

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Cardio Pulmonary Exercise Testing in Patients Post the Fontan Palliation in Comparison With Patients...

Fontan PalliationCongenital Heart Disease

prospective cardio respiratory evaluation for patients post the Fontan palliation for single ventricle, compared to subjects post successful cardiac repaired surgery compared to healthy volunteers in order to evaluate the functional capacity and the primary etiology for reduction in functional capacity.

Unknown status6 enrollment criteria

Myovista iECG for Detecting Ischemic Heart Disease: Comparison With Computed Tomography Coronary...

Coronary Artery Disease

Study evaluates the new technique MyoVista™ iECG sensitivity and ability to predict myocardial diseases, comparing iECG results with Computed Tomography Coronary Angiography findings

Unknown status10 enrollment criteria

Using Near-infrared Spectroscopy (NIRS) Monitor to Noninvasively Evaluate Hepatic Venous Saturation...

Congenital Heart DiseaseArrhythmia

Clinical studies are required to validate the hepatic NIRS monitor with other regional and global hemodynamic parameters and to evaluate its clinical use for continuous non-invasive hemodynamic monitoring. Using newer NIRS sensors the correlation between hepatic regional oxygen saturation and hepatic venous oxygen saturation (SvHO2) needs to be determined. If found to correlate then the NIRS can be used to evaluate early liver transplant failure and/or hepatic artery thrombosis, used as an early marker for shock, and necrotizing enterocolitis, and finally used in the outpatient setting to evaluate patients with chronic liver pathologies. If our validation study finds that NIRS monitors are an appropriate marker of hepatic venous saturation then it will lead to further clinical studies.

Unknown status4 enrollment criteria

Prevalence of Chronic Kidney Disease and Its Association With Clinical Outcome in Patients With...

Coronary Heart DiseaseChronic Kidney Disease

This is a prospective, multi-center, hospital-based observational study. The aim of the study is to evaluate the prevalence of chronic kidney disease in patients with stable coronar heart disease.

Unknown status14 enrollment criteria

T1 Mapping in HIV Patients With High and Low CD4+ Cell Counts

Heart DiseasesHIV

HIV-infection is associated with an increased risk for cardiovascular disease. Especially patients with low CD4+ counts have a higher incidence of structural heart disease. Myocardial T1 relaxation time, as well as T1-derived extracellular volume fraction are relatively new methods for non-invasive myocardial tissue characterization, including diffuse myocardial fibrosis. In our study HIV-patients with high and low CD4+ counts are examined on a 3T MRI scanner (Ingenia 3T, Philips Medical, Best, Netherlands). Scanning protocol includes common SSFP sequences, STIR imaging and LGE [Late gadolinium enhancement]. All HIV patients are treated in the HIV outpatient clinic of the hospital's Internal Medicine department and have an unremarkable history of cardiac disease. Patients are recruited from all over Germany. In order to obtain reference values, a subgroup of healthy, age-matched controls is included in this study. Aim of this study is to show differences in T1- and ECV-values in the investigated subgroups. In addition, we also want to create cut-off values for healthy and affected myocardium in asymptomatic HIV-infected patients. This study could show whether myocardial T1 mapping is a potential screening parameter for beginning heart disease as part of an HIV-infection, and whether an application in routine diagnostic is reasonable.

Unknown status5 enrollment criteria

Prospective Evaluation of Prognosis of Pci Patients Using Network Data in SHengjing Hospital

Coronary Heart Disease

Coronary heart disease (CHD) has a serious health threaten to population. PCI is a well-proved measure in CHD management. However, the knowledge about the real-life PCI use and how evidence-based therapies in routine clinical practice is limited. By consecutively recruiting PCI patients in a large-scale hospital in in Northeast China,this study will examine various real-life factors, that may affect patients recovery after the procedure. Practical guidelines, appropriateness criteria and quality evaluative system for PCI will be established based on the findings, to improve patients outcomes in future finally.

Unknown status2 enrollment criteria

Association Between IVUS and OCT Parameters and Invasive Physiologic Indices

Ischemic Heart Disease

to evaluate diagnostic accuracy and performance of IVUS and OCT-derived quantitative parameters to predict functional significance of stenosis defined using all the available physiologic indices. to explores the association between intravascular imaging-derived plaque characteristics and invasive physiologic indices.

Unknown status4 enrollment criteria

Acute Kidney Injury After Cardiac Surgery on CPB

Acute Kidney InjuryCongenital Heart Disease4 more

The purpose of this retrospective study is to determine the incidence and severity of acute kidney injuries (AKI) after heart surgery on cardiopulmonary bypass (CPB) in the pediatric intensive care unit (PICU) in Lausanne, Switzerland.

Unknown status3 enrollment criteria

Metabolomic Profile of Patients Undergoing Myocardial Perfusion SPECT

Ischemic Heart Disease

The aim of this study is to analyze metabolomic pattern of patients after cardiac stress in order to detect differences based on the type of stress (physical or pharmacological with adenosine agonists) and result of test (positive or negative for ischemia) and to indentify biochemical markers with prognostic value. Clinical data of enrolled patients regarding demographics, cardiovascular risk factors, pretest probability and previous cardiovascular disease will be recorded. Follow up will be at one, three and five years and will be performed by clinical recordings or phone call when necessary. Blood samples of patients undergoing myocardial perfusion SPECT (Single Photon Emission Computed Tomography) are taken before, immediately after stress and 2h after stress. Serum samples will be analyzed by nuclear magnetic resonance in order to know metabolomic profile.

Unknown status5 enrollment criteria

Innovation Research of Differentiation and Treatment Methods Based on CHD Phlegm and Blood Stasis...

Coronary Heart Disease

Coronary heart disease is still the major cause of death in China. Chinese medicine plays more and more important role in CHD prevention and treatment. Phlegm and blood stasis are its major pathological basis. Based on that, the investigator aims to evaluate the evolutionary process of CHD phlegm-blood stasis syndrome by large samples, multi-centre, cross-section observation combining with longitudinal tracking on-site survey method so as to guide the clinical treatment of CHD.

Unknown status9 enrollment criteria
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