Methods: We retrospectively reviewed the records of 62 patients who received an LVAD and rFVIIa at our center between January 2004 and November 2006. Patients who received a single dose of 10 to 20 mu g/kg (n = 32; 52%) constituted the “”low-dose”" cohort, and patients who received 30 to 70 mu g/kg (n = 30; 48%) constituted the “”high-dose”" cohort. Laboratory values obtained before and after rFVIIa administration, as well as patients’ click here transfusion requirements, were compared to determine
the effectiveness of rFVIIa in reversing coagulopathy and reducing blood loss. We also compared the incidence of thromboembolic events in the low- and high-dose groups.
Results: Administration of rFVIIa was associated with significant decreases in prothrombin time, activated partial thromboplastin time and transfusion requirements. STA-9090 in vitro This association was seen in both the low- and
high-dose groups. In addition, the incidence of thromboembolic events was significantly higher in the high-dose group (36.7%) than in the low-dose group (9.4%) (p <= 0.001).
Conclusions: Although rFVIIa administration seemed helpful in controlling life-threatening hemorrhage, patients requiring higher doses (30 to 70 mu g/kg) had a dramatically higher incidence of serious thromboembolic events. J Heart Lung Transplant 2009;28:785-90. Copyright (C) 2009 by the International Society for Heart and Lung Transplantation.”
“We report the results of
the optical spectra modeling for hydrogenated amorphous silicon (a-Si:H) thin films AZD1480 produced for photovoltaic cell applications, which allowed us to accurately determine the material’s optical gap (E(g)). While for thick films of a-Si: H, as well as for other amorphous semiconductors, Eg is normally estimated from a so called Tauc plot, this is hardly possible for thin films because of the interference effects. We developed a physically founded semianalytical model for the complex dielectric function of a-Si: H, valid below and above the optical gap and containing a small number of adjustable meaningful parameters, including E(g) and the characteristic energy scales of the optical transition matrix element distribution and the joint density of states in the absorption tail region. With this model and using the transfer matrix formalism for multilayer optics, we have achieved a good agreement between the calculated and experimental transmittance spectra, which allowed us to self-consistently determine the values of the above parameters. We found that both E(g) and the characteristic scale of the subgap absorption tail increase with the hydrogen addition.