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Hyejin Mo,Juhan Lee,Jae Berm Park,Sun Cheol Park,Young Hoon Kim,Ahram Han,In Mok Jung,Jongwon Ha,Nam-Joong Kim,Sang Il Min 대한의학회 2022 Journal of Korean medical science Vol.37 No.1
Background: The use of organs from donors with infection is limited because of the possibility of transmission. We aimed to investigate the transmission after deceased donor transplantation with bloodstream infection (BSI). Methods: A retrospective study of patients undergoing kidney or pancreas transplantation at five tertiary centers in Korea from January 2009 and November 2019 was performed. We analyzed the outcomes after transplantation from deceased donors with BSI. Results: Eighty-six recipients received transplantation from 69 donors with BSI. The most common isolated pathogens from donors were Gram-positive bacteria (72.0%), followed by Gram-negative bacteria (22.7%), and fungi (5.3%). Appropriate antimicrobial agents were used in 47.8% of donors before transplantation. Transmission occurred only in 1 of 83 recipients (1.2%) from bacteremic donors and 1 of 6 recipients (16.7%) from fungemic donors. One-year patient and graft survival was 97.5%and 96.3%, respectively. There was no significant difference in graft and patient survival between patients who received organs from infected donors and noninfected donors. Conclusion: Using organs from donors with bacteremia seems to be a safe option with low transmission risk. The overall prognosis of using organs from donors with BSI is favorable.
Hyejin Mo,Young Ho So,정인목 대한혈관외과학회 2020 Vascular Specialist International Vol.36 No.3
Inferior vena cava (IVC) thrombosis, a type of deep vein thrombosis (DVT), is a relatively rare and poorly known disease compared to lower extremity DVT. We present a case of a 68-year-old woman with abdominal pain and mild lower leg swelling due to IVC thrombosis extending from the common iliac vein to the infrahepatic IVC. The thrombus was removed using a 14-mm Niti-S stent (Taewoong Medical, Korea) inserted via the right internal jugular vein. The stent was partially deployed and gently advanced to cover the thrombus, and then retracted through a vascular sheath capturing the thrombus. This case presents a therapeutic approach for the treatment of IVC thrombosis using a half-deployed stent as a filter and a basket. Follow-up evaluation after 5 years revealed a patent IVC and common iliac vein.
Controlling the Magnetic Properties of the Van der Waals Ferromagnet Fe₃GeTe₂
Hyejin Ryu,Se Young Park,Dong Seob Kim,Yu Liu,Jinwoong Hwang,Younghak Kim,Wondong Kim,Jae-Young Kim,Cedomir Petrovic,Choongyu Hwang,Sung-Kwan Mo,Hyung-jun Kim,Byoung-Chul Min,Hyun Cheol Koo,Joonyeon C 한국자기학회 2021 한국자기학회 학술연구발표회 논문개요집 Vol.31 No.1
Identifying material parameters that affect magnetic properties of ferromagnets is key to optimize materials better suited for spintronics applications. Here, we propose an effective hole doping method to modulate the magnetic anisotropy of a van der Waals ferromagnet, and explore the physical origin of this effect. Experimental measurements of the doping and thickness dependent magnetic properties of thin Fe<sub>3-x</sub>GeTe<sub>2</sub> show a significant suppression of the magnetic anisotropy with hole doping. From the measured and calculated doping dependent electronic structure, we find that the energy gain by the spin-orbit induced band splitting is reduced by the chemical potential shift associated with hole doping, which in turn reduce the magnetic anisotropy energy. The identified mechanism provides an understanding of the doping induced modulation of magnetic properties in Fe<sub>3</sub>GeTe<sub>2</sub> thin films.