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전침 자극에 의한 오디 괄약근 운동성 변화에 관한 연구
이성구,김명완,김홍자,서동환,이상수,김동일,유교상,주연호,민병일,김지훈 경희대학교 동서의학연구소 2001 東西醫學硏究所 論文集 Vol.2000 No.-
Background/Aims: This study was designed to evaluated the effects of electroacupuncture on the sphincter of Oddi (SO) motility in humans and to correlate the manometric findings with plasma cholecystokinin (CCK) levels. Methods: Eleven patients (M: F= 5: 6) who had various kinds of biliary disorders were enrolled. SO motility was monitored with a conventional low-compliant continuously perfused technique using ERCP (n=9) or percutaneous transhepatic cholangioscope (n=2). After baseline monitoring for phasic wave contractions of SO, electroacupuncture was applied at a specific acupoint, GB 34, in these 11 patients. A nonspecific acupoint 5 cm away from GB 34 was selected as a control. Manometric parameters of SO were also checked in 6 subjects during stimulation of the control acupoint. CCK plasma levels were measured during the time course of electroacupuncture stimulation. Result: All the manometric parameters including the basal pressure of SO, amplitude, frequency and duration of phasic wave contraction of SO were significantly decreased (p< 0.05) during electroacupuncture stimulation. The inhibition of SO contractility was accompanied by increased CCK plasma levels. After removal of electroacupuncture stimulation, restoration of amplitude and duration to basal condition were noted. A tendency towards the return of SO contractility was also observed in basal pressure and frequency. Stimulation of the control acupoint, however, did not affect the SO contractility and plasma CCK levels. Conclusions: Electroacupuncture stimulation of acupoint GB 34 showed reversible inhibition of SO contraction in humans. We speculate that the response of SO to electroacupuncture stimulation may be mediated by some neurohormonal mechanisms including CCK release. (Korean Journal of Gastrointestinal Motility 2000;6:44-41)
신부전이 동반된 당뇨병 환자에서 발생된 침습성 모균증 : 수술과 Liposomal amphotericin B 및 GM-CSF 병합 요법에 의한 성공적인 치험 1예
이원영,오기원,임국희,장재혁,이동건,최정현,강무일,신완식,차봉연,이광우,손호영,강성구 대한화학요법학회 1999 대한화학요법학회지 Vol.17 No.4
저자들은 신부전이 동반된 당뇨병 환자에서 발생된 부비동형 모균증에 대하여 수술과 함께 liposomal amphotericin B 및 GM-CSF의 복합치료를 하여 성공적으로 치료한 1예를 경험하였기에 문헌 고찰과 함께 보고하는 바이다. Mucormycosis (zygomycosis) primarily affects diabetic or immunocompromised patients and typically progresses rapidly, necessitating surgical excision and antifungal therapy with amphotericin B. Large doses of amphotericin B are needed for cure, but it has the risk of causing significant renal toxicity. The recent development of liposomal amphotericin B allows antifungal therapy to be administered with potentially improved efficacy and reduced nephrotoxicity. We have experienced a case of paranasal mucormycosis successfully treated with surgery, liposomal amphotericin B and GM-CSF. A 59-year-old male suffering from diabetes mellitus for 6 years was admitted with pain at left maxillary area. He was diagnosed as mucormycosis after cytologic exam on the necrotic nasal mucosa, which showed typical hyphae. He have had diabetic nephropathy with macroproteinuria and had rapidly rising serum creatinine levels with the amphotericin B treatment: creatinine levels reverted to basal level with the use of liposomal amphotericin B. Despite surgical excision and continued antifungal therapy, his infection was not effectively controlled. Therefore, GM-CSF was administered additionally to improve phagocytic activity of leukocytes. He was finally cured after receiving a combination of aggressive surgery, liposomal amphotericin B and GM-CSF. To our knowledge, this is the first detailed clinical description of the treatment of mucormycosis with liposomal amphotericin B in Korea.
건축공사시방서에서의 KS규격의 국제인증방안에 관한 연구
김경식,이재섭,김용수,이규진,조용훈,최완철,전재열,이현수,구재동,이기환 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1
The purpose of this research is make out construction specifications for International Construction. Using off-shore products incur cost increase and longer delivery term of construction. and inconvenient on International Construction. Expand the range of additional local products conforming to performance. Life Cycle Cost. maintainability. operability. user's acceptability, etc.. And this study is suggest the standard formats and the techniques for construction specification.
Apparent Spontaneous Complete Regression of Multifocal Hepatocellular carcinoma
( Dong Wan Koo ),( Sung Jae Park ),( Eun Uk Jung ),( Sang Heon Lee ),( Jung Hee Yoon ),( Sam Ryong Jee ),( Youn Jae Lee ) 대한내과학회 2013 대한내과학회 추계학술발표논문집 Vol.2013 No.1
Introduction: Hepatocellular carcinoma (HCC) is the sixth most prevalent cancer, and the incidence is high in South Africa and Asia. Spontaneous regression of HCC refers to the disappearance of the hepatic lesions in the absence of any medical intervention. It is rare, and the mechanism remains obscure. Case report: A 53-year-old Korean man was admitted with right upper-quadrant abdominal pain for about 7 days and weight loss of 5 kg in 8 weeks. He had drunk approximately 45 g of alcohol per day for at least 20 years and smoked 15 cigarettes per day for about 30 years. There was a high serum alpha-fetoprotein concentration of 921.2 ng/mL and a positive hepatitis B surface antigen test. An abdominal computed tomography scan (CT) of the liver revealed a huge (10×10 cm) heterogenous enhancing mass with internal hemorrhage and necrosis on the arterial phase images. He refused any treatment but agreed to stop drinking alcohol and smoking. He had ingested Korean complementary and alternative medicines, including Chinese osage orange, Japanese elm, and mistletoe berry for several years.Surprisingly, 18 months after his initial admission, a CT scan of the liver revealed HCC regression with smaller tumors, decreased hypervascularity, although low-density nodules remained in the both lobes of the liver. The serum alpha-fetoprotein concentration had declined to 2.70 ng/mL. 5 years after the initial diagnosis, a CT scan showed further marked shrinkage of the HCC with internal calcifications without apparent viable tumor components. The serum alpha-fetoprotein concentration was 1.58 ng/dL. He did not undergo any medical treatment during follow-up. He remains in good health without recurrence and is monitored regularly. Discussion: we report the case of spontaneous complete regression of disseminated HCC after progression for several months when the patient stopped alcohol and tobacco use and took some complementary and alternative medicines. Further accumulation of these extremely rare cases of spontaneous regression of HCC will provide the opportunity to analyze the etiology and to develop new therapeutic options for HCC.
Dong Wook Oh,Tae Jun Song,Sung-Hoon Moon,Jin Hee Kim,Joo Nam Lee,Seung Mo Hong,Joune Seup Lee,Seok Jung Jo,Dong Hui Cho,Do Hyun Park,Sang Soo Lee,Dong-Wan Seo,Sung Koo Lee,Myung-Hwan Kim 거트앤리버 소화기연관학회협의회 2019 Gut and Liver Vol.13 No.4
Background/Aims: Type 2 autoimmune pancreatitis (AIP) has been considered extremely rare in East Asia. This study aimed to clarify the prevalence, clinical characteristics and radiological findings of type 2 AIP highlighting patients presenting as acute pancreatitis in a single center. Methods: Type 2 AIP patients were classified according to International Consensus Diagnostic Criteria. Radiological findings were compared between type 2 AIP presenting as acute pancreatitis and gallstone pancreatitis. Results: Among 244 patients with AIP, 27 (11.1%) had type 2 AIP (definite, 15 [55.5%] and probable 12 [44.5%]). The median age of patients with type 2 AIP was 29 years (interquartile range, 20 to 39 years). Acute pancreatitis was the most common initial presentation (n=17, 63%) while obstructive jaundice was present in only one patient. Ulcerative colitis (UC) was associated with type 2 AIP in 44.4% (12/27) of patients. Radiological pancreatic imaging such as delayed enhancement of diffusely enlarged pancreas, homogeneous enhancement of focal enlargement/ mass, absent/minimal peripancreatic fat infiltration or fluid collection, and multifocal main pancreatic duct narrowings were helpful for differentiating type 2 AIP from gallstone pancreatitis. During follow-up (median, 32.3 months), two patients (2/25, 8%) experienced relapse. Conclusions: In South Korea, type 2 AIP is not as rare as previously thought. Overall, the clinical profile of type 2 AIP was similar to that of Western countries. Type 2 AIP should be considered in young UC patients with acute pancreatitis of uncertain etiology.
원발쓸개관경화증에서 발생한 갑상샘유두암과 혼합결합조직병 1예
구동완 ( Dong-wan Koo ),이승근 ( Seung-geun Lee ),박은경 ( Eun-kyoung Park ),박지혜 ( Ji-heh Park ),이규민 ( Kyu-min Lee ) 대한내과학회 2017 대한내과학회지 Vol.92 No.1
A 40-year-old female previously diagnosed with primary biliary cirrhosis was referred to the hospital complaining of muscle weakness, arthralgia, Raynaud`s phenomenon, and thick skin. After work-up, she was diagnosed with both mixed connective tissue disease (MCTD) and papillary thyroid cancer (PTC), based on the Alarcon-Segovia criteria and pathological examination, respectively. High-dose glucocorticoid and azathioprine were introduced to treat active myositis of MCTD, and total thyroidectomy was performed to treat PTC. This report highlights the possible association between MCTD and thyroid cancer, and suggests that MCTD is associated with PTC, similar to other autoimmune diseases including Sjogren`s syndrome, systemic sclerosis, and systemic lupus erythematosus. (Korean J Med 2017;92:103-107)
구근완(Keun-Wan Koo),우동균(Dong-Gyun Woo),주동명(Dong-Myoung Joo),이병국(Byoung-Kuk Lee) 전력전자학회 2013 전력전자학회 논문지 Vol.18 No.1
In this paper, the characteristics of portable fuel cell system are introduced and the dynamic response of output voltage of fuel cell stack with internal humidifier is analyzed. When the output of the fuel cell (FC) stack is short-circuited for humidification, the output voltage of the FC stack rapidly drops. In order to maintain the load voltage in the required range, dynamic compensation methods are proposed: 1) installing a capacitor behind the output of the FC stack; 2) utilizing the bi-directional converter. Especially, bi-directional converter is used when short of the FC output is detected or predicted by algorithm using data which is measured during previous three cycles. These methods are simulated by PSIM 9.0, then experimental results from the fuel cell system prototype verify the validity of the proposed methods.