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4번 염색체의 고배수성(hyperploidy)은 바렛식도에서의 초기 유전적 변이를 나타낸다
성인경 ( In Kyung Sung ) 대한소화기기능성질환·운동학회 2003 Journal of Neurogastroenterology and Motility (JNM Vol.9 No.1
요약 : 바렛식도의 진행에 관여하는 분자생물학적 기전을 밝혀내기 위해서는 바렛식도에서 암으로 발생하는 위험을 예측할 수 있는 유전적 표시자를 알아내는 과정이 필요할 것이다. 이 연구에서는 바렛식도에서 암으로 진행하는 과정에서 특정한 유전적 변이가 일어나는 시점을 알아보기 위하여 fluorescence in situ hybridisation (FISH)를 사용하였다. 28명의 바렛식도 환자와 28명의 바렛식도와 함께 이형성(dysplasia)을 동반한 환
성인경(In Kyung Sung),강인구(In Ku Kang),심승철(Seung Chul Shim),김종필(Jong Pil Kim),이기창(Kee Chang Lee),손정일(Chong Il Sohn),정철헌(Chul Hun Jung),박동일(Dong Il Park),이종철(Jong Chul Rhee) 대한내과학회 1994 대한내과학회지 Vol.46 No.3
Objectives: It has been proposed that patients with non-ulcer dyspepsia can be classified into symptom subgroups. Subgroups were as follows; those with symptoms suggestive of peptic ulceration (ulcerlike dyspepsia), those with gastric stasis (dysmotilitylike dyspepsia), those with gastroesophageal reflux (refluxlike dyspepsia), and the remainder (unspecified dyspepsia). Methods: The study population consisted of 306 patients with non-ulcer dyspepsia admitted to or attending to Hanyang University Hospital from the beginning of Feb. 1990 to the end of August 1992. We evaluated the gastrointestinal symptoms and measured gastric emptying time for 150min using radionuclide scintiscan of an 99mTc-labeled chicken liver. Results: 1) A total of 306 patients with diagnosed to non-ulcer dyspepsia, 54% had dysmotilitylike dyspepsia, 16% had ulcerlike dyspepsia, 2% had refluxlike dyspepsia and 10% had unspecified dyspepsia. 2) A total of 148 non-ulcer dyspepsia patients with normal gastric emptying time, 48% had dysmotilitylike dyspepsia, 19% had ulcerlike dyspepsia, 2% had refluxlike dyspepsia and 10% had unspecified dyspepsia. 3) A total of 158 non-ulcer dyspepsia patients with delayed gastric emptying time, 61% had dysmotilitylike dyspepsia, 14% had ulcerlike dyspepsia, 2% had refluxlike dyspepsia and 9% had unspecified dyspepsia. 4) Dysmotilitylike dyspepia was more commonly present in patients with delayed gastric emptying time than in patients with normal gastric emptying time(p<0.05) 5) There was a slight female predominance (1:1.3 male-female ratio) in non-ulcer dyspepsia patients with normal gastric emptying and peak incidence was 40 to 49 years of age (40%). 6) There was a female predominance (1:1.9 male-female ratio) in non-ulcer dyspepsia patients with delayed gastric emptying and peak incidence was 40 to 49 years of age(42%). 7) A total of non-ulcer dyspepsia patients, 35% had irritable bowel symptoms and the frequency of accompanied irritable bowel symptoms was statistically significant difference between the patients with normal gastric emptying time (46%) and the patients with delayed gastric emptying time (26%)(p<0.01). Conclusion: Among the non-ulcer dyspepsia patients in Korean, dysmotilitylike dyspepsia was most common subgroup and the refluxlike dyspepsia was very rare and 35% had irritable bowel syptoms.
성인경 ( In Kyung Sung ) 대한소화기학회 2008 대한소화기학회지 Vol.51 No.1
Constipation is a common symptom affecting 2-27% of general population in Western countries. According to a population-based study on bowel habits in a Korean community, the prevalence was 16.5% for self-reported constipation and 9.2% for functional constipation. There is a broad range of causes for constipation. There are three subtypes in functional constipation, although overlap is not uncommon. Physiologic studies such as colonic transit test, anorectal manometry, balloon expulsion test, and defecography can be helpful in further evaluating and classifying functional constipation. Slow transit constipation is characterized by prolongation of transit time throughout the colon, caused by either myopathy or neuropathy. Functional defecation disorder is characterized as an inability to initiate defecation following the urge to do so, a feeling of incomplete evacuation, tenesmus, excessive straining or manual evacuation. Normal transit constipation is the most common subtype and characterized by constipation occurring in the presence of normal colonic transit time and normal defecatory function. It is important for clinicians to choose appropriate treatment for constipation which are most efficacious for the individual patient. Most patients with functional constipation respond to laxatives, but a small proportion may be resistant to this treatment. In patients with functional defecation disorder, biofeedback is helpful. Sacral nerve stimulation may be helpful in some patients with slow transit constipation. Patients who are resistant to all the conservative modalities may require surgical intervention. Extensive clinical and physiological preoperative assessment of patients with slow colonic transit time is essential before considering surgery, including an assessment of small bowel motility and identification of coexistent defecatory disorder. (Korean J Gastroenterol 2008;51:4-10)
성인경 ( In Kyung Sung ),김영춘 ( Young Choon Kim ),윤중원 ( Jung Won Yun ),서현일 ( Hyun Il Seo ),박동일 ( Dong Il Park ),조용균 ( Yong Kyun Cho ),김홍주 ( Hong Joo Kim ),박정호 ( Jung Ho Park ),손정일 ( Chong Il Sohn ),전우규 ( 대한소화기학회 2011 대한소화기학회지 Vol.57 No.5
Background/Aims: Stomach cancer can be easily diagnosed via endoscopy, but also possible to be missed. The aim of this study was to investigate the clinical and endoscopic characteristics of advanced gastric cancers that were not diagnosed based on endoscopic examination. Methods: We evaluated patients who had newly diagnosed advanced gastric cancer that was undetected via endoscopy within the last six months. Results: Sixteen patients were included in this study. The locations of the cancers were the cardia in six cases, the greater curvature side of the body in eight cases and the antrum in two cases. The histological findings were tubular type adenocarcinoma in 11 cases, with ten cases of moderately to poorly differentiated adenocarcinoma and five cases of signet ring cell type adenocarcinoma. Conclusions: Even advanced gastric cancer lesions may not be detected during endoscopy. If a patient continues to complain of upper gastrointestinal symptoms, even though endoscopy does not find abnormal findings, repeated endoscopy and/or additional diagnostic studies should be considered. (Korean J Gastroenterol 2011;57:288-293)
비궤양성 소화불량증 환자에서 십이지장위 역류의 역할에 관한 연구
성인경(In Kyung Sung),이종철(Jong Chul Rhee) 대한소화기학회 1995 대한소화기학회지 Vol.27 No.2
N/A Backgieund/Aims: Delayed gastric emptying has been considered primary mechanism for the pathogenesis of non-ulcer dyspepsia(NUD). And duodenogastric reflux(DGR) could be involved in the pathogenesis of non-ulcer dyspepsia. But there is some controversy surrounding the role of DGR in NUD. The objective of the present prospective study was to investigate the prevalence of DGR, a possible correlation between DGR and dyspeptic symptoms and the association between DGR and delayed gastric emptying in NUD patients. Methods: Cholescintigraphy with technetium 99m 0- diisopropyl iminodiacetic acid(DISIDA) was used to study duodenogastric reflux in 105 patients with NUD and in l l normal controls. Also, in order to identify the gasric emptying rate in patients with NUD, a gastric emptying scan using solid test meal(Tc-99m-tin-colloid labeled chicken liver) was performed. Symptoms were quantified using a clinical score. Results: DISIDA scanning revealed abnorma1 findings in l(9%) of l 1 of normal controls and 31(30%) of lOS patients with NUD. The gastric emptying time of solid meal was delayed in 55(52%) of 105 patients with NUD. In the SS patients with delayed GET, DGR positive were lO(l8%) and in the 50 patients with normal GET, DGR positive were 21(42%)(p<0.05). In the 31 patients with DGR positive, patients with delayed gastric emptying were 10(32%), and in the 74 patients with DGR negative, patients with delayed gastric emptying were 45(60%). The mean symptom score was not significantly different between the patients with DGR positive and negative(8.9 ' 3.6 vs 8.3 ' 3.6). The frequency of DGR in total patients with NLJD was about 30%. And the frequency of DGR in patients of NUD with normal GET was 42%, comparing with 9% in controls(p<0.05). Conclusion: Duodenogastric retlux may be involved in the pathogenesis of non-u1cer dyspepsia with normal gastric emptying time. (Korean J Gastroenterol 1995;27:159 - 166)
담도 폐쇄로 인한 담도염 환자에 있어서의 담즙 내 세균에 대한 연구
성인경(In Kyung Sung),이규택(Kyu Taek Lee),이종균(Jong Kyun Lee),김영호(Young Ho Kim),이석호(Seok Ho Lee),송희정(Hee Jung Son),이준혁(Joon Hyoek Lee),이풍렬(Poong Lyunl Rhee),김재준(Jae Jun Kim),고광철(Kwang Chul Koh),백승운(Seung Wo 대한내과학회 1998 대한내과학회지 Vol.55 No.1
has been focused on the Enterococcus due to increasing in incidence of nosocomial infection and resistance to broad range of antimicrobial agents of this organism The purpose of this study was to analyse the bacteriologic features of bile in patients with cholangitis. Methods : Bacteriological examination was made of bile from 356 patients with cholangitis due to biliary tract obstruction, 105 of them with common bile duct stone and 251 of them with malignant disease. Bile specimens were taken during percutaneous transhepatic biliary drainage of endoscopic nasobiliary drainage. The specimens were cultured aerobically and anaerobically and then the anti- biotic sensitivity test was done. Results: The overall positive culture rates was 81.4%. There was significant difference in positive culture rates between the patients with common bile duct stone and the patients with malignant disease,(88.5% vs 78.4%, p<0.05) But there was no significant difference in bacteriological features between the patients with common bile duct stone and the patients with malignant disease. The commonly isolated organisms were Enterococcus (21.6%), E.coli(19.7%), and Klebsiella(17.2%) respectively. The isolation rate of anaerobes were only 2%. The rate of polymicrobial infection was 78.1%. The rates of 3rd cephalosporins-resistant Klebsiella were over 30%. The rate of ampicillin-resistant Enterococcus was 35%. The rate of gentamicin-resistant Enterococcus was 28%. Conclusion : This study shows that 1) many micro- organisms have resistance to a broad range of antimicrobial agents, and 2) the antibiotic coverage against Enterococcus should be considered for the treatment of cholangitis due to the increasing tendency to Enterococcus infection.