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Fatih Aydogan,Ziya Salihoglu,Cihan Uras,Ilhan Karabicak,Varol Celik,Ali Cercel,Semih Baghaki,Ufuk Topuz,Deniz Atasoy,Rovnat Babazade,Hilal Unal 한국유방암학회 2009 Journal of breast cancer Vol.12 No.1
Purpose: Alteration in oxygen saturation is a side effect of the dye used in sentinel lymph node biopsy. The object of this study was to determine the possible effects of methylene blue on the oxygen saturation in patients undergoing sentinel lymph node biopsy. Methods: The complete peroperative records of 148 patients who underwent sentinel lymph node biopsy with intraparenchymal injection of methylene blue were reviewed. The data reviewed included the preinjection pulse oximeter saturation readings and the postinjection values until the readings returned to the preoperative levels in the postanesthesia care unit. Results: The pulse oximetry values were recorded preoperatively, after intubation and, at 15, 30, 45, and 60 minutes of the operation. The results showed that methylene blue did not cause any significant changes in oxygen saturation levels. Conclusion: We suggest that methylene blue might be preferable for the patients with concomitant disease, and for whom close monitoring of their oxygen saturation is required.
Design optimization of a fixed wing aircraft
Yayli, Ugur C.,Kimet, Cihan,Duru, Anday,Cetir, Ozgur,Torun, Ugur,Aydogan, Ahmet C.,Padmanaban, Sanjeevikumar,Ertas, Ahmet H. Techno-Press 2017 Advances in aircraft and spacecraft science Vol.4 No.1
Small aircrafts, Unmanned Aerial Vehicles (UAVs), are used especially for military purposes. Because landing fields are limited in rural and hilly places, take-off or landing distances are very important. In order to achieve a short landing or take-off distance many parameters have to be considered, for instance the design of aircrafts. Hence this paper represents a better design to enlarge the use of fixed wing aircrafts. The document is based on a live and simulated experiments. The various components of designed aircraft are enhanced to create short take-off distance, greater lift and airflow without the need for proper runway area. Therefore, created aerodynamics of the remotely piloted aircraft made it possible to use fixed wing aircrafts in rural areas.