Structures of the resulting polymers were confirmed by FTIR. The obtained polymers showed good solubility in dimethylformamide, dimethylacetamide and formed the affinity membrane blending with polysulfone at different blend

compositions by the phase-inversion method. Thus the properties of films were characterized with respect to water flux, pore size, and porosity. The surface and cross-sectional views of the blend membranes were analyzed by scanning electron microscopy (SEM). The research on treatment of removal p-nitrophenol was carried out by affinity membrane process. The adsorption capacity increased with increasing the initial concentration of p-nitrophenol in aqueous solution, and HIF-1 pathway the adsorption isotherm fitted the Freundlichmodel well. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 122: 1472-1479, 2011″
“Ultrasonographic evaluation of the postpartum uterus to prevent retained placental tissue complications is still a matter of debate, and it is difficult to interpret its necessity on the basis of previous studies. this website We hypothesized that the application of uterotonics on the basis of regular postpartum ultrasound scanning of the uterus may reduce the number of unnecessary curettages in a large unselected population.

This was a cross-sectional observational study conducted among mothers (n = 6,028) delivering at two different (secondary and tertiary) hospitals to analyze the benefit of postpartum

uterine ultrasound for clinical implications. Women delivering at the secondary care unit (n = 1,915) had no regular postpartum ultrasound scans in comparison to those delivering at the tertiary unit (n = 4,113). On regular ultrasound scans, morphological findings 17DMAG datasheet in the uterine cavity were recorded. Upon the presence of an intrauterine hyperechogenic mass larger than 2 cm in diameter, mothers received a single dose of uterotonics (methylergometrin 0.2 mg or oxytocin 5 IU) intramuscularly and control sonography after 24 h.

In case of intrauterine mass persistence and serious postpartum hemorrhage women underwent a surgical intervention. The management was similar at the secondary unit, but ultrasound scans were provided only when there was a clinical finding. All patients were followed-up 6 weeks after labor.

Women delivering at the secondary institution experienced a higher incidence of puerperal surgical interventions (1.51 vs. 0.87%) and lower agreement between sonography and histological findings (72.4 vs. 86.1%) compared with women delivering at the tertiary care unit, respectively (P < 0.05), where the general incidence of interventions was 1.10% after spontaneous and 0.19% after cesarean deliveries. In addition, trained sonographers reached only 13.9% false-positive ultrasound scans. Time-dependent regression analysis of uterine morphological involution variables showed a significant association between uterine length, width, uterine cavity and cervical channel mass, P < 0.