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간경변증 환자 혈장 Endothelin 측정의 임상적 의의
김도영(Doe Young Kim),임석아(Seok Ah Im),심기남(Ki Nam Shim),유승기(Sung Kee Ryu),최희정(Hee Jung Choi),최규복(Gyu Bog Choi),문일환(Il Hwan Moon),윤견일(Kyun Il Yoon) 대한내과학회 1994 대한내과학회지 Vol.47 No.4
Background: Endothelin is a newly discovered 21-aminoacid polypeptide that has been shown to produce marked vascoconstriction. Elevated plasma concentration of endothelin has been reported in patients with acute and chronic kidney failure, cardiogenic shack, hypertension, sepsis, acute myocardial infarction, subarachnoid hemorrhage and Raynaud`s phenomenon, and the reports suggest that endothelin plays a contrib- utnry role in the pathogenesis of those diseases. However, plasma levels of endothelin in patients with liver cirrhosis have rarely been reported. This study was conducted to investigate the clinical significance of plasma endothelin concentrations in patients with liver cirrhosis. Methods: Eleven patients with liver cirrhosis and ten healthy control subjects were included in this study. Plasma and random urine endothelin concentrations were measured by radioimmunoassay. Results: 1) The plasma endothelin concentration was significantly higher in patients with cirrhosis than in control subjects (15.5±5.1pg/ml vs. 3.9±2.4 pg/ml, mean±S. D, p<0.01). The urine endothelin concentration was also significantly higher in patients with cirrhosis than in control subjects (47.9±26.6 pg/ml vs. 15.3±9.2 pg/ ml, p<0. 05). 2) In patients with cirrhosis, the plasma endothelin concentration showed a significant negative correlation with creatinine clearance (r=0.76, p<0.01), and a significant positive correlation with fractional excretion of sodium (FENa) (r=0. 75, p<0. 01). Conclusion: From these results, elevated plasma endothelin may play a contributory role in kidney dysfunction in patients with cirrhosis.
중심정맥도관 사용과 관련된 Mycobacterium fortuitum에 의한 혈류 감염
하창윤 ( Chang Yoon Ha ),남승현 ( Seung Hyun Nam ),임석아 ( Seok Ah Im ),최희정 ( Hee Jung Choi ),이미애 ( Mi Ae Lee ),윤여준 ( Yeo Jun Yun ),국윤호 ( Yoon Hoh Kook ) 대한내과학회 2005 대한내과학회지 Vol.69 No.-
Atypical mycobacterial infections are increasing, especially such as skin and soft tissue abscess, wound infection, pneumonia, lymphadenitis, and disseminated disease. Atypical mycobacteria could infect immunocompromised patients with more severe bacteremia by central venous catheter. Catheter-related infection often develops due to catheter colonization, hematogenous infection, skin and exit site infection, and infusion-fluid contamination. We experienced a case of catheter-related blood stream infection by Mycobacterium fortuitum. He was 15-year old man with non-Hodgkin`s lymphoma, stage IVb. After 13 days of chemotherapy, he visited our hospital due to fever. M. fortuitum was identified on blood culture, and we used cefoxitin and amikacin for 4 weeks and then change to trimethoprime/sulfamethoxazole. (Korean J Med 69:S994-S998, 2005)