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A Case of Constrictive Pericarditis Associated With Huge Epicardial Fat Volume
도기원,구본승,김신재,신은석,최성훈,이상곤,박찬성 대한심장학회 2009 Korean Circulation Journal Vol.39 No.3
Massive deposits of fat around heart are seen in overweight persons and are associated with coronary artery disease. Investigators have focused on the clinical significance of epicardial fat with respect to metabolic effects such as insulin resistance and inflammation, but the mechanical effects, such as constriction, have been largely ignored. We present an unusual case of a 59-year-old woman with obesity and diabetes mellitus who had been undergoing peritoneal dialysis due to end-stage renal disease, and who developed constrictive pericarditis, possibly secondary to extensive epicardial fatty accumulation. Massive deposits of fat around heart are seen in overweight persons and are associated with coronary artery disease. Investigators have focused on the clinical significance of epicardial fat with respect to metabolic effects such as insulin resistance and inflammation, but the mechanical effects, such as constriction, have been largely ignored. We present an unusual case of a 59-year-old woman with obesity and diabetes mellitus who had been undergoing peritoneal dialysis due to end-stage renal disease, and who developed constrictive pericarditis, possibly secondary to extensive epicardial fatty accumulation.
도기원(Ki Won Do),한훈희(Hoon Hee Han),하성규(Sung Kyu Ha) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.11
To improve the durability of a hydrogen pressure vessel which is applied high-pressure, it needs the autofrettage process which induces compressive residual stress in the Aluminum liner. This study presents the elasto-plastic analysis to predict the behavior of structure accurately, and the Tsai-Wu failure criterion is applied to predict failure of pressure vessel of Aluminum liner and composite materials. Generally, plastic analysis is more complex than elastic analysis and has much time to predict. To complement its weakness, the AxicomPro(EXCEL program), applied radial return algorithm and nonlinear classical laminate theory (CLT), is developed for predicting results with more simple and accurate than the existing finite element analysis programs.
소화기; 서울 3차 의료기관에서 분리한 헬리코박터 파일로리 항생제 내성률 변화
최원정 ( Won Jung Choi ),도기원 ( Gi Won Do ),이진혁 ( Gin Hyug Lee ) 대한내과학회 2014 대한내과학회지 Vol.86 No.3
Background/Aims: Patient compliance and resistance to antibiotics are main factors determining the success of Helicobacter pylori eradication. This study provides basic data to verify the efficacy of currently implemented eradication therapy and reports changes in H. pylori resistance to all antibiotics used at Asan Medical Center, Seoul, Korea from 2004 to 2010. Methods: We investigated the resistance rates to amoxicillin, clarithromycin, metronidazole, ciprofloxacin, and levofloxacin in 88, 100, and 47 strains isolated from adult patients without H. pylori eradication history in 2004, 2007, and 2010. Results: The resistance rate to amoxicillin increased from 5.0% in 2007 to 10.6% in 2010. The resistance rate to clarithromycin increased from 10.2% in 2004 and 11.0% in 2007 to 14.8% in 2010. However, no difference was observed in the resistance rate to metronidazole, and strains resistant to tetracycline were not detected at all in this study. The resistance rates to quinolone lingered at 15-17% for 3 years. The non-resistant strains to antibiotics accounted for 56% of the total in 2004 and 62% in 2007. In contrast, a decreasing tendency was found for those strains in 2010 (43%). No significant differences were shown in the multi-drug resistance rate or the co-resistance rates of amoxicillin and clarithromycin over the 3 years. Conclusions: We showed increased resistance rates to clarithromycin and amoxicillin over the last 7 years, aligning with the results of previous studies performed domestically. Efforts are needed to inhibit the increase in resistant bacteria to maintain the effectiveness of eradication therapy.
회전근개 질환에 대한 추나 치료의 효과 : 체계적 문헌 고찰
홍수민(Su-Min Hong),도기원(Ki-Won Do),윤광식 척추신경추나의학회 2021 척추신경추나의학회지 Vol.16 No.1
Objectives This study aimed to evaluate the efficacy of Chuna manual therapy(CMT) in the treatment of rotator cuff disorder. Methods We searched th following nine online databases without language restriction (MEDLINE/PubMed, Cochrane library, Ebscohost, CNKI, RISS, NDSL, KMBASE, and KISS) to identify randomized controlled trials (RCTs) that used CMT in the treatment of rotator cuff disorder. The methodological quality of each RCT was assessed using the Cochrane risk-of-bias tool. Results Four RCTs were included. in the meta-analysis. CMT resulted in a significant reduction in symptoms in these trials. However, there was a high risk of bias in the RCTs. Conclusions We reviewed RCTs that studied the effects of CMT for rotator cuff disorder. While the studies indicate that CMT has favorable effects on rotator cuff disorder. But the risk of bias for most of the studies was high. Therefore, high-quality studies are required to make further conclusions.
증례 : 감염 ; 가역적 청력 손실을 동반한 쯔쯔가무시병 1예
김동민 ( Dong Min Kim ),허성재 ( Seong Jae Huh ),임경훈 ( Kyung Hun Lim ),도기원 ( Gi Won Do ),홍순형 ( Soon Hyoung Hong ),원영철 ( Young Cheol Weon ),전재범 ( Jae Bum Jun ) 대한내과학회 2009 대한내과학회지 Vol.77 No.6
저자들은 68세 여자에서 가역적 청력손실을 동반한 쯔쯔가무시병을 경험하였기에 문헌고찰과 함께 보고하는 바이다. 환자는 의식혼탁을 주소로 내원하여 시행한 쯔쯔가무시혈청 항체 검사상 양성으로 독시사이클린 200 mg로 치료하였고, 청력손실을 호소하여 시행한 뇌 자기공명영상에서 청력손실의 병변이 확인되었다. 환자의 청력은 추가적인 치료없이 점차적으로 완전히 회복되었다. Scrub typhus, which is caused by Orientia tsutsugamushi, is an acute febrile illness characterized by fever, rash, and myalgia. Recently, its incidence in Korea has increased. Many cases of scrub typhus with central nervous system involvement have been reported, while cases with hearing loss are rare. We experienced a case of scrub typhus with reversible hearing loss. To our knowledge, this is the first case confirmed by magnetic resonance imaging. (Korean J Med 77:793-796, 2009)