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Heart failure is a common cardiac condition affecting nearly 6 million Americans. Silent blood volume overload is common in patients with heart failure and is associated with increased risk of death. This study is designed to determine if adjustment of therapy based on direct measurement of blood volume will reduce risk of hospitalization and death when compared with therapy based on clinical assessment of blood volume in patients with chronic heart failure.
Multicenter prospective randomized trial to compare heart failure management strategies based on clinical assessment of volume status vs. direct measurement of blood volume with a radioisotope technique. Subjects will be randomly assigned to a standard care strategy with guideline recommended treatment based on serial clinical assessment of blood volume or a measured blood volume strategy with guideline recommended treatment based on serial measured blood volume. All subjects will undergo blood volume measurement procedures, but the testing results will only be returned to the physician in the group assigned to management according to measured blood volume status. Subjects will be blinded to their study treatment assignment status.
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment
Daxor Blood Volume Analysis, Clinical volume status assessment
Not yet recruiting
New York University School of Medicine
Published on BioPortfolio: 2014-08-27T03:18:27-0400
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The volume of BLOOD passing through the HEART per unit of time. It is usually expressed as liters (volume) per minute so as not to be confused with STROKE VOLUME (volume per beat).
The volume of the HEART, usually relating to the volume of BLOOD contained within it at various periods of the cardiac cycle. The amount of blood ejected from a ventricle at each beat is STROKE VOLUME.
Volume of circulating BLOOD. It is the sum of the PLASMA VOLUME and ERYTHROCYTE VOLUME.
The volume of packed RED BLOOD CELLS in a blood specimen. The volume is measured by centrifugation in a tube with graduated markings, or with automated blood cell counters. It is an indicator of erythrocyte status in disease. For example, ANEMIA shows a low value; POLYCYTHEMIA, a high value.
Volume of circulating blood in a region of the brain. It is a functional measure of the brain perfusion status which relates changes in this to changes in CEREBROVASULAR CIRCULATION that are often seen in brain diseases.