In addition, PANI-organogelator composites of arbitrary shape were easily prepared by means of toluene evaporation from toluene gel. “Dried” PANI composites showed electrical conductivity. Compared with the neat PANI, the electrical conductivity of the PANI-organogelator composite is hardly affected by about 10 weight% of organogelator in the composite. (C) 2015 Elsevier Ltd. All rights reserved.”
“OBJECTIVE. selleck chemicals llc The purpose of our study was to evaluate a new technique for registration of postprocedure to preprocedure CT images to determine the effect on the safety margin assessment after radiofrequency ablation (RFA).\n\nMATERIALS AND
METHODS. Registration of post-RFA CT to pre-RFA CT images was performed using CA3 ic50 prototype software via nonrigid registration in 31 patients with hepatocellular carcinoma who were treated with RFA. Registration accuracy was validated by setting pairs of corresponding landmarks on registered post-RFA CT and pre-RFA CT images and by calculating the mean difference between the corresponding
landmarks. Three radiologists independently conducted a retrospective review of the pre-RFA and post-RFA CT images for safety margin assessment with and without registered images. The safety margin was rated using a 4-point scale (1, residual tumor; 2, < 2 mm safety margin; 3, 2 to < 5 mm safety margin; and 4, >= 5 mm safety margin). Interobserver agreement was evaluated using the weighted kappa test.\n\nRESULTS. The mean difference between the corresponding landmarks was 1.3 mm, thus suggesting accurate registration. A more accurate correlation between the degree of the reader safety margin and the reference value was obtained from pre-RFA and post-RFA CT images using registered CT images than without using registered images (gamma, 0.918 vs 0.887 for reader 1, 0.888 vs 0.651 for reader 2, and 0.811 vs 0.497 for reader 3, respectively). Interobserver agreement (kappa) increased from 0.503-0.558 in the
first session without registered images to 0.807-0.869 in the second session with registered CT images.\n\nCONCLUSION. Registration of post-RFA CT to pre-RFA CT Selleckchem GSK690693 images is an accurate and useful technique for assessing the safety margin immediately after RFA.”
“Objective: This study evaluates the safety and efficacy of the XIENCE V (R) 4.0 mm stent for the treatment of de novo native coronary artery lesions. Background: In the SPIRIT III trial, the XIENCE V (R) everolimus-eluting stent (EES), compared with the TAXUS EXPRESS(2) paclitaxel-eluting stent (PES) in 2.5-3.75 mm diameter coronary arteries, resulted in reduced angiographic late loss (LL), noninferior rates of target vessel failure (TVF), and fewer major adverse cardiac events (MACE). Methods: The SPIRIT III 4.