D. Butter

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This study presents characteristics of hemorheology for six patients during long-term support (85-144 days) on a Novacor left ventricular assist device (LVAD) as a bridge-to-cardiac transplantation. Results indicate that a certain "baseline" rheology can be identified in patients whose support was uneventful. However, in the patients who had one or more(More)
Hemorrheology was studied in patients undergoing artificial heart support as a bridge-to-cardiac transplantation. Abnormal hemorrheology was seen in two patients, one on a Jarvik-7 total artificial heart, and the other on a Novacor left ventricular assist device. Both of these patients suffered neurologic episodes. The rheology of these two patients(More)
In recent years, educational technologists and designers have begun to explore a variety of ways in which physical and computational media can be integrated---for instance, through the design of "intelligent toys" for children. This paper describes our ongoing efforts at exploring a different sort of physical-computational integration, focusing on(More)
The erythrocyte rigidity of patients suffering from severe peripheral vascular disease (PVD) was measured by a filtration method using 3 microns pore size filters. Filtration pressures for both PVD patients and normal subjects showed a cell volume dependency, and patient filtration pressures were normalized to cell volume to evaluate intrinsic, ie,(More)
We develop a new off-shell formulation for six-dimensional conformal su-pergravity obtained by gauging the 6D N = (1, 0) superconformal algebra in superspace. This formulation is employed to construct two invariants for 6D N = (1, 0) conformal supergravity, which contain C 3 and C✷C terms at the component level. Using a conformal supercurrent analysis, we(More)
All N=4 conformal supergravities in four space-time dimensions are constructed. These are the only N=4 supergravity theories whose actions are invariant under off-shell supersymmetry. They are encoded in terms of a holomorphic function that is homogeneous of zeroth degree in scalar fields that parametrize an SU(1,1)/U(1) coset space. When this function(More)
The rheological properties of blood were studied in patients supported by both the Jarvik-7 total artificial heart (TAH) and Novacor left ventricular assist device (LVAD) as a bridge to cardiac transplantation. Both groups of patients had abnormalities in blood rheology which differed according to the type of device implanted as well as on the clinical(More)