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이진호(Jin Ho Lee),신원창(Won Chang Shin),김관엽(Kwan Yop Kim) 대한소화기학회 1996 대한소화기학회지 Vol.28 No.3
N/A Background/Aim: Subtotal gastrectomy is an important method to manage peptic ulcer and gastric cancer patients. We observed the change in CLO test positivity in gastric cancer patients before and after the subtotal gastrectomy to assess the influence of the subtotal gastrectomy on Helicobacter pylori colonization in the stomach. Methods: We performed the CLO tests in 22 patients after subtotal gastrectomy for gastric cancer, in 22 patients with gastric cancer before surgery, and in 22 patients without any active gastric lesions as a control group. CLO tests were pe.rformed with endoscopically biopsied gastric specimens. Results: CLO tests were positive in 9 of 22 patients after subtotal gastrectomy for gastric cancer(40.9%), and negative in 13 patients(59.1%). CLO tests were positive in 15 of 22 patients with gastric cancer before surgery(48.2%), and negative in 7 patients(31.8%). CLO tests were positive in 16 of 22 patients of control group(72.7%), and negative in 6 patients (27.3%). The CLO test positivity in patients after subtotal gastrectomy for gastric cancer was lower than in patients with gastric cancer before surgery and in control group. Conclusions: Subtotal gastrectomy decreased the colonization of Helicobacter pylori in the stomach probably due to the bile reflux into the stomach. (Korean J Gastroenterol 1996; 28:320 - 326)
복부 전산화 단층촬영에서 우연히 발견된 소화관 벽 비후의 임상 의의
신원창 ( Won Chang Shin ),정명자 ( Myeong Ja Jeong ) 대한소화기학회 2005 대한소화기학회지 Vol.45 No.6
Background/Aims: Due to widespread use of computerized tomography (CT) scan to examine patients with variable disease or complaints, detection of incidental or unsuspected gastrointestinal abnormalities are not uncommon. Clinical significance of incidenta
비궤양성 소화불량에서 Helicobacter pylori 박멸치료후 증상개선에 대한 메타분석
엄상화,정귀원,신원창,조종래,손혜숙,배기택,김성준,Ohm, Sang-Hwa,Jeong, Ki-Won,Shin, Won-Chang,Cho, Jong-Rae,Shon, Hye-Suk,Pae, Ki-Taek,Kim, Sung-Jun 대한예방의학회 1999 Journal of Preventive Medicine and Public Health Vol.32 No.4
Objectives: This study was conducted to determine, by reviewing the literature, whether treatment of Helicobacter pylori infection in patients with non-ulcer dyspepsia affects symptoms. Methods: We retrieved the literature using MEDLINE search, with nonulcer dyspepsia and Hericobacter pylori and treatment as key words, which were reported from 1984 to 1998, and manual literature search. The criteria for inclusion was as follows; 1) The paper should have confirmed nonulcer dyspepsia as case definition. 2) The paper should have peformed a randomized, blind trial. 3) Confirmation of Helicobacter pylori eradication should be done 4 weeks after treatment. 4) studies with no information on measurement of symptoms after treatment were not accepted. The percentage of patients with symptom improvement after eradication therapy for Helicobacter pylori infection was calculated. Cumulative odds ratio was compared by fixed effect model and random effect model as sensitivity and funnel plot was used to evaluate publication bias. Results: The overall effect size of symptom improvement was calculated by cumulative odds ratio. Cumulative odds ratio of random effect model was 4.16(95% CI: 1.55-11.19). Before integrating each effect sizes into common effect size, the homogeneity test was conducted and random effect model was selected(Cochran's Q=41.08 (d.f=10, p<0.001)). The heterogeneity across studies was evaluated and the different methodological aspects of studies led to differences between study results Conclusions: The results suggest that the eradication of Helicobacter pylori in patients with non-ulcer dyspepsia results more symptom improvement. In studios that shows the opposite results there are methodological aspects explaining the heterogeneity.
포스터 전시 : 위장관 ; 지방종에 의한 성인의 대장 장중첩증 1예
허웅 ( Woong Huh ),신정아 ( Jung A Shin ),김성준 ( Seong Jun Kim ),신원창 ( Won Chang Shin ),이진호 ( Jin Ho Lee ),최원충 ( Won Choong Choi ),김관엽 ( Kwan Yap Kim ),김영덕 ( Young Duk Kim ) 대한소화기학회 2002 대한소화기학회 춘계학술대회 Vol.2002 No.-
<배경> 소아에서 흔한 장중첩증은 성인에서는 전체의 5%이하로 드물며, 소아와는 다르게 90%이상에서 일차적 병소(lead point)로 인하여 발생한다. 특히 대장에서는 일차적 병소가 반수이상이 악성 종양이며 양성질환은 드물고, 지방종, 근종, 용종, 내막증식증, 과거 수술의 문합부 등이 있다. 저자들은 간헐적 복통을 주소로 내원한 대장 지방종에 의한 장중첩증 1례를 경험하여 보고하고자 한다. <증례> 환자는 64세 여자이며, 약 1 개월간의 간헐적인
이진호(Jin Ho Lee),김관엽(Kwan Yup Kim),신원창(Won Chang Shin),이희승(Hee Sung Lee),전수영(Su Young Jeon),조혜제(Hae Je Cho),고일향(Il Hwyang Koh) 대한소화기학회 1993 대한소화기학회지 Vol.25 No.2
Tuberculosis rarely involve the mammry gland. This gland appears to have peculiar resistance to tuberculous infection. Active tuberculosis is present in other sites of the body, in 25-84% of patients with tuberculosis. of the breast. We report a case of tuberculous peritonitis accompanied with mammary tuberculosis in a 33-year-old woman.
조기위암의 복강경하 원위부 위절제술 시 절제면 표시를 위한 내시경 클리핑의 최적 시기
박지영 ( Ji Young Park ),전태주 ( Tae Joo Jeon ),신원창 ( Won Chang Shin ) 대한소화기학회 2014 대한소화기학회지 Vol.64 No.2
Background/Aims: Pre-operative endoscopic clipping for determining the resection line in patients with early gastric cancer has been used safely, and its efficacy has been demonstrated. However, the optimal timing of endoscopic clipping for determining the resection line in early gastric cancer patients undergoing laparoscopy-assisted distal gastrectomy has not been investigated. Methods: A retrospective analysis of 92 patients with early gastric cancer who underwent gastric resection after endoscopic clipping at Inje University Sanggye Paik Hospital (Seoul, Korea) was performed. We analyzed the clinical and endoscopic features of patients, number of clips, time from clipping to surgery, and number of patients showing detachment of clips from the gastric wall before surgery. Patients were categorized according to the following two groups: group A included patients whose clips were applied within one day before surgery and group B included patients whose clips were applied more than one day before surgery. Results: Of the 92 patients, 56 were included in group A and 36 were included in group B. In 11 patients (12.0%, five in group A and six in group B, p=0.329), the clips were detached from the gastric wall before surgery. The mean time from clipping to surgery did not differ significantly between the detached and non-detached groups (11 patients, mean 4.6±4.6 days vs. 81 patients, mean 3.0±4.0 days, p=0.227). Conclusions: The timing of endoscopic clipping for localization of tumors in early gastric cancer patients undergoing gastrectomy is not important for determining the resection line. (Korean J Gastroenterol 2014,64:76-80)
산업현장에서 벡터제어용 유도전동기의 오프라인 파라미터 추정
권병기(Byung-Ki Kwon),박가우(Ga-Woo Park),신원창(Won-Chang Shin),조응상(Eung-Sang Cho),이진섭(Jin-Seop Lee),최창호(Chang-Ho Choi) 전력전자학회 1998 전력전자학술대회 논문집 Vol.- No.-
Parameter estimation of induction motor for vector control presented in this paper can be easily implemented and applied to inverters in the industrial field, because it needs no additional hardware such as voltage sensor and measuring equipment. At first, the stator resistance including switching loss of inverter is measured by simple voltage-current equation. Next, in pre-magnetization of machine by imposing the d-axis constant field-current, q-axis torque current is forced to the machine until its speed feedback reachs to pre-defined level of speed limit. At this time, we can measure the rotor time-constant by decreasing the distorted output-voltage inverter. At last, stator inductance, transient inductance, and moment of inertia can be measured by the relationship of output voltage, output torque and speed feedback. The validity and usefulness of this method is verified by experimental results.<br/> <br/>
문지인 ( Ji In Moon ),박지영 ( Ji Young Park ),전태주 ( Tae Joo Jeon ),최정민 ( Jung Min Choi ),신원창 ( Won Chang Shin ),성준민 ( June Min Sung ),김영문 ( Young Moon Kim ),김현정 ( Hyun-jung Kim ) 대한소화기학회 2016 대한소화기학회지 Vol.68 No.4
Non-umbilical cutaneous metastases from pancreatic adenocarcinomas are extremely rare. Only a few cases have been reported in the literature. An 83-year-old Korean woman, with no previous medical history, presented with a painful nodule on her scalp. Histologic examination of the nodule revealed a metastatic adenocarcinoma, and immunohistochemical staining was positive for cytokeratin (CK) 7 and CK 19. These findings were consistent with a metastatic carcinoma of pancreatic origin. An abdominal computed tomography scan identified a mass on the pancreatic head and multiple enlarged lymph nodes. Pathological examination of an endoscopic ultrasound-guided fine needle biopsy of the pancreatic mass determined that it was a poorly differentiated carcinoma. The patient refused any treatment owing to her old age and short life expectancy. Four months later, the disease progressed rapidly, and the patient died. (Korean J Gastroenterol 2016;68:221-224)
폐쇄성 황달을 동반한 악성 및 양성 췌담도 질환에서 CA 19-9 상승의 임상적 해석
김민성 ( Min Seong Kim ),전태주 ( Tae Joo Jeon ),박지영 ( Ji Young Park ),최정민 ( Jeongmin Choi ),신원창 ( Won Chang Shin ),박성은 ( Seong Eun Park ),서지영 ( Ji-young Seo ),김영문 ( Young Moon Kim ) 대한소화기학회 2017 대한소화기학회지 Vol.70 No.2
Background/Aims: Elevated carbohydrate antigen (CA) 19-9 level may be unable to differentiate between benign and malignant pancreatobiliary disease with obstructive jaundice. The study aims to determine the clinical interpretation and the diagnostic value of CA 19-9 level in pancreatobiliary diseases with coexistent obstructive jaundice. Methods: We retrospectively reviewed the data of 981 patients who underwent biliary drainage due to obstructive jaundice following pancreatobiliary disease at Sanggye Paik Hospital for 5 years. 114 patients with serial follow-up data for CA 19-9 level were included in this study (80 patients with malignancy and 34 patients with benign diseases). We compared the levels of CA 19-9 levels and the biochemical value before and after biliary drainage. Results: The rate of CA 19-9 elevation (>37 U/mL) was significantly different between the benign group and the malignant group (59% vs. 90%, p=0.001). Despite the decrease in serum bilirubin after biliary drainage, CA 19-9 levels remained elevated in 12% of patients in the benign group and in 63% of patients in the malignant group (p<0.001). Finally, 12% of patients in the benign group turned out to have malignant disease. A receiver operating characteristic analysis provided a cut-off value of 38 U/mL for differentiating benign disease from malignant disease after biliary drainage (area under curve, 0.787; 95% confidence interval, 0.703 to 0.871; sensitivity, 62%; specificity, 88%). Conclusions: This study suggested that we should consider the possibility of malignant causes if the CA 19-9 levels remain high or are more than 38 U/mL after resolution of biliary obstruction. (Korean J Gastroenterol 2017;70:96-102)