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- 저자 : ( Cengiz Cakan ) (검색결과 2 건)
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( Muge Bilge ),( Zafer Unsal Coskun ),( Cengiz Cakan ),( Mine Adas ),( Serife Aysen Helvaci ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Warfarin is an anticoagulant used in a variety of clinical indications and may rarely cause severe bleeding that can be life-threatening.Although intramuscular bleeding frequently occure secondary to trauma,it can be induced in cases that cause bleeding tendency.Hematoma is often treated with conventional methods.However, surgical decompression can also be applied.Case Report;A 71 year old male patient admitted to our clinic with increased skin temperature, swelling and redness on the right leg.Warfarin was the only drug in the present treatment that cause bleeding tendency.During the physical examination, swelling, skin redness, echymosis, decreased motility, pain with palpation and tenderness were deteceted on the gastrocnemius location of the right leg.There was no other fi nding in the rest systemic examination.Magnetic resonance imaging (MRI) of the right lower limb of the patient showed a mass lesion on posteromedial of right cruris, displacing the medial head of the gastrocnemius muscle laterally(fig 1).Considering the datas of the performed imaging methods and using an ultrasonography-assisted GF-multipurpose drainage pigtale catheter,intracavitary administration of 5 mg tPA and 25 cc serum sale mixture was performed.Subsequently the catheter was clamped for a 25-30 minutes time and spontaneous drainage occured. After the intervention,a compression bandage was done with elastic bandage in order to avoid reloading of the cavity.Ultrasonographic control was performed after each step of the intervention to check a possible presence of an organised hematoma and intervention went on till there was no liquid rest in the location of hematoma. The total recovery was also proved by magnetic resonance imaging after total clinical recovery was deteceted (fig2).This case report represents that the addition of fi brinolytics to the standard drainage techniques is a safe and effective therapy method in organised hematoma as well as abscess complicated with surgery.
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Arie Arenst Andreas,Kristianto Hans,Cengiz Elif Ceylan,Demir-Cakan Rezan 한국탄소학회 2020 Carbon Letters Vol.30 No.2
Salacca peel-based porous carbon (SPPC) with high surface area (1945 m2 g−1) and large specifc pore volume (1.68 cm3 g−1) was prepared by pre-carbonization and K2CO3 activation method. Based on the TGA results, it can be estimated that up to 70 wt% of sulfur-active materials could be infltrated into the pores of SPPC to form SPPC/S composite cathode for LiS battery. The porous structure of SPPC could act as a bufer layer against volume expansion and minimize the shuttle efect due to the penetration of intermediate polysulfdes during cycle tests. Optimization on sulfur loading (50, 60 and 70 wt%) in SPPCC/S composite was also investigated. It was found that the SPPC/S composites with 60 wt% of sulfur loading had the best electrochemical performances. With 60 wt% of sulfur loading, SPPC/S composite electrodes showed excellent electrochemical performances in terms of high initial specifc discharge capacity of 1006 mAh g−1 at 0.5 C and capacity retention of 71% until the 100th cycle. For both cases of low and high sulfur loading, they caused much worse electrochemical performances. Based on the experimental results, it can be concluded that porous carbons derived from the salacca peel were promising materials for sulfur loading in LiS battery.
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