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Poster Session : PS 0059 ; Cardiology : Lymphoma with Constrictive Pericarditis
( Zhen Yu Liao ),( Jer Young Liou ),( Kou Gi Shyu ),( Huey Ming Lo ),( Jun Jack Cheng ),( Chiung Zuan Chiu ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Patients with pericardial diseases usually present with nonspecifi c symptoms, these diseases may not be detected until they have reached an advanced stage. It is therefore important to distinguish between normal pericardial structure and disease. Pericardial constriction is typically chronic, but variants include subacute, transient, and occult constriction. Pathologically, this results in chronic infl ammation and, frequently, calcifi cation. Constrictive pericarditis has multiple etiologies and can lead to disablingsymptoms and severe heart failure with poor quality of life. We described a patient who presented with symptoms of heart failure and was found to have diastolic heart failure. Several investigations pointed to the diagnosis of constrictive pericarditis which was later confi rmed by cardiac catheterisation. The etiology turns out to be primary cardiac lymphoma which is extremely rare in immunocompetent patients.
Mechanical behavior and chloride resistance of cementitious composites with PE and steel fiber
Liao, Qiao,Guo, Zhen-wen,Duan, Xin-zhi,Yu, Jiang-tao,Liu, Ke-ke,Dong, Fang-yuan Techno-Press 2021 Advances in concrete construction Vol.12 No.6
The mechanical behaviors and chloride resistance performance of fiber reinforced cementitious composites (FRCC) with hybrid polyethylene (PE) and steel fiber (in total 2% by volume) were investigated. Based on micro-mechanics and fracture mechanics, the reason why the tensile strain capacity of FRCC changed obviously was obtained. Besides, the effects of the total surface area of fiber in FRCC on compressive strength and chloride content were clarified. It is found that the improvement of the tensile strain capacity of FRCC with hybrid fiber is attributed to the growth of strain-hardening performance index (the ratio of complementary energy to crack tip toughness). As the total surface area of fiber related with the interfacial transition zone (ITZ) between fiber and matrix increases, compressive strength decreases obviously. Since the total surface area of fiber is small, the chloride resistance performance of FRCC with hybrid PE and steel fiber is better than that of FRCC containing only PE fiber.