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Active clinical trials for "Heart and Blood Diseases"

Results 52591-52600 of 52710

Blood Pressure Assessment in Atrial Fibrillation

Atrial Fibrillation

This is a cross-sectional study including patients with permanent atrial fibrillation. Assessment will include: clinic blood pressure measurements (mercury sphygmomanometer and automated oscillometric device) 24-hour ambulatory blood pressure monitoring determination of various serum markers and cardiac ultrasound. evaluation of a 24h ambulatory blood pressure monitoring device (Microlife WatchBPO3) in terms of its diagnostic value for the detection of atrial fibrillation compared with the reference 24h Holter ECG

Unknown status4 enrollment criteria

Role of Endothelial Function, Muscular Fitness and Metabolism in Functional Activity in Patients...

Chronic Heart FailureCoronary Disease1 more

Shortness of breath, fatigue, and exercise intolerance are clinical symptoms of chronic heart failure (CHF). Recent studies suggested that peripheral impairment was the major cause of clinical symptoms, and mechanism may be related to neuroendocrine impairment and vascular smooth muscle dysfunction. It results in increased peripheral resistance that may influence limb blood flow, muscle fitness and activities of daily.The purposes of this study are to compare muscular strength, endurance, and perfusion of quadriceps between CHF patients and healthy controls by isokinetic test and near-infrared spectroscopy (NIRS) and difference in activities of daily living to compare endothelium function between CHF patients and healthy control subjects the relationship between endothelium function, muscular strength, endurance, perfusion, and metabolism of quadriceps.

Unknown status5 enrollment criteria

Ambulatory Versus Home Blood Pressure Measurement

Arterial Hypertension

This is a prospective study comparing the three blood pressure monitoring methods on the diagnosis of arterial hypertension. Blood pressure of each subject will be evaluated with clinic, home and 24h ambulatory blood pressure measurements in three visits

Unknown status13 enrollment criteria

Tricuspid Isthmus Imaged by CARTOsound, Patients With Typical Atrial Flutter

Atrial Flutter

The investigators propose a third hypothesis based on the anatomic observations made in pathological studies. The investigators hypothesize that the anatomic architecture determines the functional properties of the TV-IVC isthmus. As a result, • Muscular bundles are preferential routes of conduction through the TV-IVC isthmus. The isthmus acts like a series of discreet conduction routes rather than as a sheet of tissue. The muscular bundles form selective targets for ablation and therefore the entire anatomic line need not be ablated. This has direct implications for ablation of the isthmus.

Unknown status2 enrollment criteria

Feasibility of High Frequency QRS Analysis in Patients With Acute Myocardial Infarction

Myocardial Infarction

The primary objective of this study is to characterize the morphological patterns of high frequency QRS components (HFQRS) in patients with acute myocardial infarction (AMI), including STEMI and NSTEMI, compared to patients without AMI.

Unknown status12 enrollment criteria

On-Pump vs. Off-Pump CABG in High-Risk Patients (EuroSCORE 6+)

Ischemic Heart DiseasePost-Operative Complications

Previous studies comparing on-pump and off-pump operating strategy did only partially demonstrate benefits of the off-pump myocardial revascularisation.In primary end-points (MI, death, renal failure, and so on) there was no significant difference, but in secondary end-points we observed benefits resulting for patients. We would like to show the benefit of the method without extracorporeal circulation in patients with higher and hight operation risk, coming from EuroSCORE classification system (6 points and more).

Unknown status7 enrollment criteria

Long Term Follow-up of Bone Mineral Density in Hormone Treated Turner Syndrome

Turner Syndrome

Turner Syndrome (TS) is associated with osteopenia and osteoporosis. Reduced bone mineral density (BMD) and increased risk of fractures are present in many younger and middle-aged women with TS. The objective is therefore to describe longitudinal changes in BMD in TS. The study is an observational follow-up study. Examinations at baseline, after 5 and 10 years. Bone mineral density is measured by dual energy x-ray absorptiometry (DEXA) and bone turnover by bone markers. Main Outcome Measures: Bone mineral density (BMD; grams/ square centimetre) were measured at lumbar spine, hip and the non-dominant forearm.

Unknown status5 enrollment criteria

SAPPHIRe III in Taiwan-Progression Evaluation and Cardiovascular Outcomes of Hypertensive Families...

Hypertension

The purpose of this study is to determine the progression evaluation, cardiovascular outcomes, and genetic determinations of hypertension in Chinese

Unknown status8 enrollment criteria

Venous Thrombosis in Turner Syndrome

Thromboembolic Disease

In the literature, cases of thrombosis in the venous system have been described in girls and women with Turner syndrome. By screening a group of women with Turner syndrome, the researchers wish to find out if this condition is more frequent in this patient population.

Unknown status4 enrollment criteria

Wingspan Stenting for Symptomatic Severe Stenosis of Intracranial Atherosclerosis Registry in China...

Intracranial Atherosclerosis

This is a prospective, multi-center, non-randomized trial to study one-year outcomes of the Wingspan system for the treatment of Chinese patients with symptomatic atherosclerotic severe intracranial stenosis.

Unknown status8 enrollment criteria
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