Our cohort had a baseline mean Seattle Heart Failure Model (SHFM) score of 2.6 +/- 0.9. Observed survival was significantly better than SHFM-predicted medical survival. Stratification by age subsets, renal function, SHFM, implantation intention, or etiology did not reveal significant differences in survival. The most common cause of death was sepsis and nonlethalcomplication was bleeding.
Conclusions: Our experience with patients over the age of 65 receiving CF-LVADs suggests that this group demonstrates excellent survival. Further research is needed to discern the specific criteria for risk stratification for LVAD support in the elderly.”
“The sensitive effect of weight ratio of the high-density
polyethylene (HDPE)/ethylene-vinylacetate copolymer (EVA) on the electrical BTSA1 properties of HDPE/EVA/carbon black (CB) composites was investigated. With the EVA content increasing from 0 wt % to 100 wt %, an obvious change of positive temperature coefficient (PTC) curve was observed, and a U-shaped insulator-conductor-insulator this website transition in HDPE/EVA/CB composites with a CB concentration nearby the percolation threshold was found. The selective location of CB particles in HDPE/EVA blend was analyzed by means of theoretical method and scanning electron micrograph (SEM) in order to explain the U-shaped insulator-conductor-insulator transition, a phenomenon different from double percolation in
this composite. The first significant change of the resistivity, an insulator-conductor selleck inhibitor transition, occurred when the conductive networks diffused into the whole matrix
due to the forming of the conductive networks and the continuous EVA phase. The second time significant change of the resistivity, a conductor-insulator transition, appeared when the amorphous phase is too large for CB particles to form the conductive networks throughout the whole matrix. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 117: 1998-2002, 2010″
“Background: Although insecticide-treated bed nets are effective tools, use often does not follow ownership. House structure and space arrangements may make the attempt to use bed nets difficult, especially for school age children. The objectives of this study were to explore whether an individual’s sleeping arrangements and house structure affect bed net use in villages along Lake Victoria in western Kenya.
Methods: Sleeping arrangements of residents were directly observed for use of a bed net, use of a bed, and location. House size, number and types of rooms, bed availability, and residents’ ages were estimated. The family heads and mothers were asked about the reason for not using bed nets. Individual bed net use was examined against age and sleeping arrangement. Net use at the household level was examined against four variables: bed availability, bed net availability, house size, and number of rooms.