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Influence of Previous Statin Therapy on Cholesterol-Lowering Effect of Ezetimibe
최영환,김영,현철원,현승협,권지은,원호연,신승용,이왕수,이광제,김상욱,김태호,김치정 대한심장학회 2014 Korean Circulation Journal Vol.44 No.4
Background and Objectives: The inhibition of cholesterol absorption by ezetimibe increases cholesterol synthesis. The effect of inhibition of cholesterol synthesis on cholesterol absorption is controversial. The influence of these interactions on cholesterol levels is unknown. We investigated on the extent to which cholesterol levels were affected by the reaction of one pathway to the inhibition of the other pathway. Subjects and Methods: This case-controlled study enrolled 198 patients who needed cholesterol-lowering drugs. Ezetimibe (10 mg) was administered to the patients with (n=58) and without on-going statin therapy (n=58). Simvastatin (20 mg) was administered to the patients treated with (n=41) and without ezetimibe (n=41). Results: Ezetimibe without statin lowered the total cholesterol by 13.3±8.8% (p<0.001) and the low density lipoprotein-cholesterol (LDL-C) by 18.7±15.3% (p<0.001). Ezetimibe added to statin decreased the total cholesterol by 21.1±7.7% (p<0.001) and the LDL-C by 29.9± 12.6% (p<0.001). The total cholesterol and LDL-C were reduced more by ezetimibe in patients with statin therapy than in those without statin therapy (p<0.001 and p<0.001, respectively). The differences in the effect of simvastatin on total cholesterol and LDL-C between the patients with and without ezetimibe showed borderline significance (p=0.10 and p=0.055, respectively). Conclusion: A prior inhibition of cholesterol synthesis by statin enhanced the effect of ezetimibe on total cholesterol and LDL-C by 7.8% and 11.2%, respectively. This finding suggests that ezetimibe increased cholesterol synthesis, resulting in a significant elevation of cholesterol levels.
이영철,김수태,이진영,최창식,조홍래,배수동,이삼열,연현철 대한혈관외과학회 1995 Vascular Specialist International Vol.11 No.2
Traumatic pseudoaneurysms of the popliteal artery are an uncommon late complication of arterial injury. They occur less frequently in civilian trauma. Authors experienced the pseudoaneurysm of left popliteal artery after acupuncture. A case report of popliteal artery of pseudoaneurysm after acupuncture and review of the articles are presented.
비즈니스 프로세스 중심의 XML 기반 통합 브로커 설계 및 구현
한현철(Hyun-chul Han),전자연(Ja-Yon Chun),윤청(Chung Youn) 한국정보과학회 2001 한국정보과학회 학술발표논문집 Vol.28 No.2Ⅲ
기업의 업무환경은 끊임없이 변화하고 있다. 부서중심의 업무 시스템들이 전사(enterprise) 차원의 규모를 거쳐, 최근엔 기업 대 기업(Business-to-Business), 기업 대 소비자(Business-to-Customer) 등 과거에는 상상할 수 없던 규모와 속도로 증대되고 있다. 급속한 비즈니스 환경변화에 시스템의 추가 및 변경 등의 통합을 비즈니스 레벨에서 지원할 수 있는 솔루션으로서 EAI가 각광받고 있다. 본 논문에서는 비즈니스 프로세스 중심의 EAI 솔루션을 XML 기반으로 설계 및 구현해봄으로써, 기존에 존재하던 통합 솔루션들과 EAI와의 차이점을 알아본다. 또한, XML을 이용함으로서 얻을 수 있었던 통합에의 장점을 알아보고 향후 개선방안에 대하여 생각해 본다.