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4D- Flow- MRI After Aortic Valve Surgery

This randomized controlled trial was designed to analyze flow patterns in the ascending aorta with MRI after either Trileaflet reconstruction of the aortic valve with autologous pericardium (TriRec) or surgical valve replacement with biological prosthesis. The hypothesis is that after TriRec procedure more physiological flow patterns will be observed, compared …

Comparison of 2 Different Positional Therapies for Positional Obstructive Sleep Apnea Syndrome

The proposed study is a randomized cross over trial assessing the efficacy of two different positional therapies for positional obstructive sleep apnea (POSA). The effectiveness of the two different therapeutic devices (Positional pillow and vibrating belt) in reducing the time spent sleeping supine, and therefore at risk of apnoeas, will …

Fiber Metabolism in Chronic Obstructive Pulmonary Disease

The impact of fiber intake on short chain fatty acid (SCFA) metabolism has not been studied in subjects suffering from COPD. The purpose of this study is to compare changes in SCFA metabolism after inulin vs. placebo intake in COPD patients to healthy matched controls. This protocol is an extension …

CPAP on Acute Stroke and OSA

Stroke affects 16.9 million individuals each year and is the second leading cause of death worldwide. Despite advances in pharmacologic therapy, morbidity , mortality and rates of hospitalization for stroke remain high. These data emphasize the importance of identifying all treatable conditions that could aggravate stroke. One such condition is …

Effect of Nutritional Supplementation and Pulmonary Rehabilitation on the Clinical Status of HF and COPD

Cardiovascular diseases (CVD) are the leading cause of death in the world and our country. The prevalence of Heart Failure (HF) is 1-2% in the adult population in developed countries, up to 10% among people 70 years of age. Concerning COPD, it is estimated that by 2030 will be the …