View clinical trials related to Chronic Heart Failure.
Filter by:BACKGROUND Beta-blockers improve left ventricular (LV) systolic function and prognosis in patients with chronic heart failure. Both carvedilol and nebivolol have hemodynamic and clinical benefits in chronic heart failure (CHF), but it is unknown whether their pleiotropic properties may play a role in different subgroups of patients with CHF. OBJECTIVE: To compare the effects of nebivolol and carvedilol on LV function and clinical outcome in patients with chronic heart failure and reduced LV systolic function. METHODS: 160 hypertensive CHF patients, LV ejection fraction (EF) 40% and in New York Heart Association (NYHA) functional class II or III were randomly assigned to receive carvedilol or nebivolol therapy for 24 months. At baseline and after 24 months of treatment, all patients underwent clinical evaluation: echocardiogram and 6-minute walking test.
The purpose of this study was to assess whether Growth Hormone(GH)improves exercise capacity and cardiopulmonary performance in patients with chronic heart failure.
Patients showing a normal value of SDI (< or + 8%) will randomly be assigned to CRT in "ON" or "OFF"mode at one month after implantation. In any case of emergency, an automated rescue mode is included in the device for the patients in "OFF" mode.
In patients with chronic heart failure (CHF)due to dilated cardiomyopathy diastolic dysfunction occurs frequently and is related to a poor outcome. We have previously shown that parameters of diastolic function significantly correlate with uric acid levels, a marker of impaired oxidative metabolism. We aimed to determine whether inhibition of xanthine oxidase with allopurinol might affect diastolic function in patients with CHF.
To use continuous measurement of NT Pro BNP level as guide in therapy patients with CHF.
The purpose of the study is to evaluate the influence of cardiovascular risk factors, heart failure and cardiovascular drug therapy on erectile function in cardiovascular high-risk patients.
Background: Anemia in chronic heart failure (CHF) is directly linked to increased mortality and reduced exercise capacity. The pathomechanism for the development of anemia in CHF is not well understood. Impairment of iron homeostasis is discussed to be one of the major triggers in anemia of chronic disease. Hepcidin was recently described as the central regulator of iron homeostasis. Main hypothesis: Plasma hepcidin levels are altered in anemic CHF patients compared to non anemic controls and might be a main contributing factor of anemia in CHF. Iron regulator-hypothesis High levels of cytokines in CHF patients cause up-regulation of hepcidin, which in turn leads to low iron uptake causing anemia. In this case venous hepcidin and hemoglobin concentrations should both correlate with cytokine levels. Erythropoietin regulator-hypothesis Dysregulation of the erythropoietin system results in anemia, which represses hepcidin. This leads to a negative correlation between hemoglobin and hepcidin in plasma. Methods: 100 consecutive patients diagnosed with systolic CHF will be prospectively included in the study. Iron status will be assessed and hepcidin, erythropoietin as well as interleukin-1, interleukin-6 and soluble TNF alpha receptor levels will be measured by ELISA. Patients will be followed up for one year and mortality, rehospitalization and worsening of CHF will be documented.
The purpose of this study is to investigate whether an angiotensin II receptor blocker (olmesartan), in addition to conventional treatment, will reduce the mortality and morbidity in hypertensive patients with stable chronic heart failure.
Recently, growing body of evidence support the finding that anemia frequently occurs in patients with chronic heart failure (CHF). Chronic kidney disease (CKD), as well, is highly prevalent among heart failure patients, and both anemia and CKD are independently associated with increased mortality. A vicious circle is established with CHF causing both chronic renal insufficiency and anemia, and CKD further aggravating anemia which, in turn, worsens CHF and so on. Treatment of the anemia breaks this circle and improves the quality of life, cardiac and renal functions in patients with severe CHF. Intravenous iron alone was proved to allow the maintenance of target hematocrit in one-third of chronic renal failure predialysis patients. Based on these considerations, intravenous iron for anemia in patients with CHF and moderate CKD would represent a reasonable therapeutic approach. The aim of the trial is to assess the efficiency of intravenous iron therapy in the management of mild to moderate anemia associated with CHF NYHA III class and concomitant moderate CKD.
The aim of the study is to evaluate hemodynamic and echocardiographic parameters in patients with secondary mitral insufficiency and CHF. 1. Identification of hemodynamic parameters as predictor for a successful mitral valve reconstruction in CHF patients. 2. Collection of clinical factors for the assessment of the postoperative course after mitral valve reconstruction in CHF patient.