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안광진(Kwang Jin Ahn),정윤석(Yoon Sok Chung),이현철(Hyun Chul Lee),허갑범(Kap Bum Huh),김유리(Yoo Lee Kim),안명옥(Myong Ock Ahn),김문종(Moon Jong Kim),차경섭(Kyung Sub Cha),정춘희(Choon Hee Chung),곽인평(In Pyung Kwak) 대한내과학회 1992 대한내과학회지 Vol.43 No.6
Background: Gestational diabetes mellitus (GDM) is defined as carbohydrate intolerance of variable severity with onset or first recognition during the present pregnancy irrespective of whether or not insulin is used for treatment or the condition persist after delivery. Little has been known of the clinical characteristics of GDM in Korean wiomen. This study was done to investigate the clinical features of GDM of Korean women. Methods: Screening test was performed on pregnant women between 24th and the 28th week of gestational age or when showing glycosuria. Venous plasma glucose was measured 1 hour after 50 gm oral glucose load, A value of 130 mg/dl or above was indicated for 100 gm 3-hour oral glucose tolerance test after standard preparation. According to O`Sullivan and Mahan`s criteria, 45 women were diagnosed as having GDM. Results: Maternal age and parity of GDM patients (31.7±4.5, 0,66±0,65) was significantly higher than those in controls (28.6±3.4, 0.21±0,07). Pregnant body weight of GDM patients (109.3±16.0%) was significantly higher than that of controls (92.6±27.04). The incidence of macrosomic infant (≥ 4kg) was 26,8% in GDM patients and 6. 5% in controls. Among 35 GDM patients 7 showed impaired glucose tolerance and 6 showed overt diabetes mellitus 6 weeks after delivery. The fasting blood sugar at diagnosis of GDM were higher in those patients whose glucose intolerance persist than in the patients whose glucose intolerance recovered to normal 6 weeks after delivery (126.8±70. 0 vs 79.9+±7,7). Conclusion: Screening test for GDM is needed to all pregnant women and to investigate clinical course of GDM, further follow up study is needed.
간암환자에 있어서 Doppler 초음파 검사로 진단된 간내 동맥 - 문맥루
강진경(Jin Kyung Kang),최흥재(Heung Jai Choi),김원호(Won Ho Kim),정재복(Jae Bock Chungj),안광진(Kwang Jin Ahn) 대한소화기학회 1988 대한소화기학회지 Vol.20 No.3
Doppler ultrasonography, which provides noninvasive evaluation of bloodflow patterns has used widely in cardiovascular diseases. Recently intratumoral Doppler signal has been analysed to evalu- ate intra and peritumoral blood flow and to differentiate malignant from benign neoplasm. Hepatocellular carcinomas have characteristic vascular appearance including arteriovenous shunts that aid in their diagnosis and Doppler ultrasonography allows recognition of these arteriovenous shunts. But Doppler ultrasonographic observation of arterio-portal fistula involving relatively large branch of portal vein is very rare. We present a 55-year-o)d female patient with hepatoce)lular carcinoma showing characteristic L)oppler signal consistant with intrahepatic arterio-portal fistula which was confirmed by hepatic arteriography. After transarterial embolization with Gelfoam this high velocity flow signal was clisappeared.
시각장애인을 위한 물품인식 제어장치의 설계와 제어방법에 관한 연구
서경덕 ( Kyung-duk Seo ),안광진 ( Kwang-jin Ahn ),안지윤 ( Ji-yun Ahn ),하경욱 ( Kyung-wook Ha ) 한국정보처리학회 2023 한국정보처리학회 학술대회논문집 Vol.30 No.2
2022년 등록된 장애인은 265만 3,000명으로 전체 인구 대비 5.2%를 기록했으며, 그중 시각장애인은 9.5%에 해당한다. 그들은 여가문화 활동, 대중교통 이용, 무인기 이용에 어려운 점이 있듯이 일상생활에 많은 불편한 점이 있다. 특히 제품의 미비한 점자 시스템으로 인한 문제점을 해결하기 위해 ‘물품인식 제어장치’를 고안했으며, 제품의 바코드를 스캔한 후 제품에 대한 정보를 점자로 출력과 동시에 음성으로 출력하여 시각장애인에게 올바른 정보를 제공한다.
인슐린 비의존형 당뇨병 환자에서 PABA 검사에 의한 췌장 기능의 평가
정춘희(Choon Hee Chung),안광진(Kwang Jin Ahn),이은직(Eun Jig Lee),최광준(Kwang Jun Choi),송영득(Young Duk Song),임승길(Sung Kil Lim),정재복(Jae Bok Chung),이상인(Sang In Lee),이현철(Hyun Chul Lee),허갑범(Kap Bum Huh) 대한내과학회 1992 대한내과학회지 Vol.43 No.1
Background and Methods: Exocrine pancreatic dysfunction is frequently seen in patients with fibrocal-culous pancreatic diabetes and insulin dependent diabetes mellitus. Also decreased pancreatic size in those patients has been reported. But exocrine dysfunction in patients with non-insulin dependent diabetes mellitus (NIDDM) is controversial. Simple tubeless PABA test has been widely used to test the chymotrypsin activity. In order to investigate the exocrine dysfunction in patients with NIDDM and to find out the factors affecting it, we performed PABA test and pancreatic size measurement in 20 diabetic patients and 8 controls. Results: 1) Excretion rate PABA in diabetic patients was significantly lower than that of healthy controls (58.3±17.5vs 76,5±11.49p, p<.0,05). 2) Among diabetic patients, underweight diabetics showed significantly lower excretion rate of PABA than non-underweight diabetics (50.2±18.5% vs 66,4±12,7%, p<0.05). 3) In non-underweight subjects, excretion rate of PABA was 66.4±12.7%, which is significantly lower than that of healthy controls (82.0±10.59%)(p<0.05), 4) In diabetic patients, urinary PABA excretion rate was not correlated with age, duration of diabetes mellitus, HbA1C and pancreatic size, but positively correlated with the ratio of ideal body weight. Conclusion: Exocrine pancreatic function was decreased in NIDDM patients and it seems to be negatively correlated with underweight
장티푸스 이환시 Salmonella typhi Vi 항원에 대한 IgG , IgM IgA 항체가의 시간에 따른 변화
김준명(June Myeong Kim),안광진(Kwang Jin Ahn),김응(Eung Kim),홍천수(Chein Soo Hong) 대한내과학회 1989 대한내과학회지 Vol.37 No.3
N/A The varied antigenicity of salmonella species is determined by O, H and Vi antigens whose chemical components and roles are recognized partiallty and are still under study. The Vi antigen of Salmonella typhi is known to have a specific role in the pathogenesis of typhoid fever by exerting a protective action upon the serum complement system and thus resisting phagocytosis. Lately, Vi antigen was introduced for the diagnosis of typhoid fever, and sequential changes of polyvalent immunoglobulin antibody titers against Vi antigen in typhoid fever were reported. So we studied immunological responses against Vi antigen in twelve patients with typhoid fever, and sequentially measured immunoglobulin G, M and A titers by indirect fluorescent antibody test using Vi antigen (Vi-IFAT). The IgG antibody titers were already increased 1 week after fever onset, reached a peak level at 3 to 4 weeks, and then showed some period of plateau followed by a gradual decrease after 2 to 3 months. The IgM antibody titers showed no definite increase in the early phase of the disease in most of the patients, but a slight increase was noted 2 to 3 weeks after fever onset followed by a rapid decrease thereafter. The IgA antibody titers were already highly increased 1 week after fever onset, and then showed some period of plateau followed by a rapid decrease after 6 to 8 weeks. Compared with previous studies regarding O antibody production in Korea, the pattern of antibody responses against Vi antigen was very similar. Based on these results, we found that IgG antibody production was predominant and IgM antibody production was relatively suppressed even in the acute phase of typhoid fever. Considering that Korea is one of the endemic areas of typhoid fever, a previously acquired immunity against typhoid fever or exhaustion of IgM antibody-forming cells may lead to the relatively low IgM antibody titers.
이은직(Eun Jig Lee),이현철(Hyun Chul Lee),안광진(Kwang Jin Ahn),임세중(Se Joong Rim),정윤석(Yoon Sok Jung),이관우(Kwan Woo Lee),임승길(Sung Kil Lim),김경래(Kyung Rae Kim),허갑범(Kap Bum Huh),양우익(Woo Ik Yang),박찬일(Chan Il Park),최 대한내과학회 1991 대한내과학회지 Vol.41 No.6
This retrospective study concerns 73 patients with nonfunctioning pituitary adenoma who were operated on during an 9-year period from 1981 to 1989. Among them, 7 men showed positive immunocytochemistry for FSH and negative for other pituitary hormones. Six of them had elevated serum FSH levels, and LH levels were normal. Testosterone levels were low in six patients tested. Their major symptoms were visual impairment, headache, and impotence, which had developed from two months to 2 years before sugery. Primary hypogonadism could be eliminated on clinical grounds (recent onset of hypogonadism, previous fertility, and posttreatment-improvement). Transsphenoidal adenomectomies were performed in all patients, and radiation-therapies were paralleled in 6 of them. Clinical recovery occurred in all patients. One patient who did not received radiation therapy showed regrowth of tumor mass after 18 months. In remaining 6 patients, we haven't found any evidence of tumor recurrence during follow-up period from 10 months to 6.3 years. We conclude that these 7 men had primary gonadotrope adenoma of the pituitary, and present them with a literature review.
정윤석(Yoon Sok Chung),이현철(Hyun Chul Lee),안광진(Kwang Jin Ahn),이은직(Eun Jig Lee),임승길(Sung Kil Lim),김경래(Kyung Rae Kim),허갑범(Kap Bum Huh),황수관(Soo Kwan Hwang),백인경(In Kyoung Park),이종호(Jong Ho Lee),이영해(Young Hae 대한내과학회 1992 대한내과학회지 Vol.43 No.6
Background: The growth hormone deficient adults have reduced lean body mass and increased fat mass. And growth hormone deficiency leads to other endocrinologic and metabolic alterations. In recent studies, growth hormone replacement therapy improved these endocrinologic and metabolic alterations. Methods: In a placebo controlled trial, we studied the effects of six months treatment of recombinant human growth hormone (rhGH) in 28 adults with GH deficiency, The patients had acquired GH deficiency due to pituitary tumors (13 cases), Sheehan`s syndrome (13 cases), and head trauma (2 cases). They were randomly divided into three groups. The group 1 (10 cases, M:F= 5:5) received 0.06 U of rhGH per kilogram of body weight subcutaneously three times a week at bed time, the group 2 (9 cases, M:F=4:5) received same amout of rhGH daily, and the group 3 (9 cases, M:F=4:5) received placebo. Results; In all three groups the total body weight did not change, whereas lean body mass significantly increased and adipose tissue mass decreased in rhGH treatment groups. The plasma glucose and glycated hemoglobin levels were not increased during rhGH treatment. The bone mineral densities of spines and femurs were not changed. According to computed tomography on two levels (umbilicus and mid-thigh), the mean mid-thigh muscle mass was significantly increased in group 1, while visceral fat mass significantly decreased in group 2. In groups 1 and 2, rhGH slightly increased exercise maximum oxygen uptake, significantly increased exercise rate-pressure product, hand grip strength and back lift strength after rhGH treatment, but the placebo group had not any change. Conclusion: These results suggest that rhGH has various potentially beneficial effects in GH-deficient adults, especially in changing body composition and increasing exercise capacity.
이호영(Ho Yung Lee),정윤석(Yoon Sok Chung),안광진(Kwang Jin Ahn),이승우(Seoung Woo Lee),김미림(Mi Rim Kim),김영기(Young Ki Kim),최규헌(Kyu Hun Choi),이현철(Hyun Chul Lee),한대석(Dae Suk Han),허갑범(Kap Bum Huh),김경호(Kyoung Ho Kim) 대한내과학회 1991 대한내과학회지 Vol.40 No.6
Bartter's syndrome is characterized by hypokalemia, metabolic alkalosis, hyperreninemia, hyperaldosteronism, normal blood pressure, and hyperplasia of the juxtaglomerular apparatus of the kidneys. We experienced a case of Bartter's syndrome in a 30-year-old female adult, along with a successful response to potassium replacement, indomethacin, and spironolactone therapy. The literature is reviewed briefly.