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Mehtap Honca,Tarık Purtuloglu,Emin Ozgur Akgul,Muzaffer Oztosun,Tevfik Honca,Ali Sizlan,Mehmet Agilli,İbrahim Aydin,Memduh Yetim,Fevzi Nuri Aydin,Halil Yaman 대한마취통증의학회 2014 Korean Journal of Anesthesiology Vol.66 No.5
Background: The aim of this study was to investigate the effects of anesthetic techniques used during general anesthesia (GA) and spinal anesthesia (SA) on endothelial adhesion molecules in the fetal circulation of healthy parturients undergoing elective cesarean section. Methods: Patients were randomly assigned to either the general anesthesia (n = 20) or spinal anesthesia (n = 20) group. Maternal and cord blood neopterin, sE-selectin, and sL-selectin levels were measured in both groups. Results: Cord blood neopterin concentrations in the SA group were not different from those in the GA group, but maternal neopterin levels in the SA group were different from those in the GA group. Maternal blood levels of sE-selectin and sL-selectin were not different between the two groups. Similarly, the cord blood levels of sE-selectin and sL-selectin were not different between the two groups. We found an increased inflammatory process in the fetal circulation depending on the anesthetic method used. Conclusions: These results indicate the effects of general and spinal anesthetic techniques on serum sL-selectin, sE-selectin, and neopterin levels in neonates and parturients undergoing elective cesarean section. sE-selectin and neopterin concentrations and leukocyte counts were higher in the fetal circulation than in the maternal circulation during both GA and SA.
Fatma Beduk,Senar Aydin,Arzu Ulvi,Mehmet Emin Aydin 대한토목학회 2023 KSCE Journal of Civil Engineering Vol.27 No.9
In this study, the occurrences, temporal concentration variations and ecotoxicological risks were determined for 18 polycyclic aromatic hydrocarbons (PAHs); 7 congeners of polychlorinated biphenyls (PCBs), and 18 selected organochlorine pesticides (OCPs) in the anaerobically digested sewage sludge samples obtained from a conventional wastewater treatment plant (WWTP) in Konya, Turkey. Flowrate of the evaluated WWTP was 200,000 m3/day, with the production of 140 tons/day treated sewage sludge. Total 18 PAHs were in the range of 1,203 −17,599 μg/kg of dry matter (dm); total PCBs were in the range of 51.26 – 561.37 μg/kg dm, and total OCPs were in the range of 4.90 – 13.11 μg/kg dm. The highest concentrations were determined for fluoranthene among PAHs, with 2445 μg/kg dm, PCB118 congener with 514 μg/kg dm, and δ-HCH among OCPs with 2.44 μg/kg dm. Considering the average daily production amounts of treated sludge, the highest mass loads were 1,785 g/day for total PAHs; 79 g/day for total PCBs; and 1 − 2 g/day for total OCPs, while the annual mass load was estimated to be approximately 7.3 kg. An ecotoxicological risk assessment was performed by estimation of risk quotients (RQs). High risk for soil ecosystem was identified due to PAHs and PCBs ingredient of sludge, while lower risk was determined for OCPs compounds. The highest RQ values were determined for pyrene (RQ: 1337) among PAHs, PCB118 congener (RQ: 7608), and γ-HCH (RQ: 5.23) among OCPs. Findings of this study show that sewage sludge can be an important source in the spread of persistent pollutants to the environment, and may pose a risk for soil ecosystem.