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InIncidence and clinical features of endoscopic ulcers developing after gastrectomy

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World Journal of Gastroenterology 2012年第25期18卷 3260-3266页

作者： Woo Chul Chung Eun jung Jeon Kang-Moon Lee Chang Nyol Paik Sung Hoon jung jung hwan oh Ji Hyun Kim Kyong-Hwa Jun Hyung Min Chin Department of Internal Medicine The Catholic University of KoreaSeoul 130-709South Korea Department of Surgery The Catholic University of Korea College of MedicineSeoul 130-709South Korea

AIM： To determine the precise incidence and clinica features of endoscopic ulcers following gastrectomy. METHODS： A consecutive series of patients who un- derwent endoscopic examination following gastrectomy between 2005 and 2010 was retrospectively analyzed. A total of 78 patients with endoscopic ulcers and 759 without ulcers following gastrectomy were enrolled. We analyzed differences in patient age, sex, size of the le- sions, method of operation, indications for gastric resec- tion, and infection rates of Helicobacterpylor/（H. pylor/~ between the nonulcer and ulcer groups. RESULTS： The incidence of endoscopic ulcers after gastrectomy was 9.3% and that of marginal ulcers was 8.6%. Ulcers were more common in patients with Billroth l] anastomosis and pre-existing conditions forpeptic ulcer disease （PUD）. Infection rates of H. pylori- did not differ significantly between the two groups. The patients who underwent operations to treat PUD had lower initial levels of hemoglobin and higher rates of hospital admission. CONCLUSION： H. pylori was not an important factor in ulcerogenesis following gastrectomy. For patients who underwent surgery for PUD, clinical course of mar- ginal ulcers was more severe.

关键词： Gastrectomy Marginal ulcer Helicobacterpylori

Clinical characteristics of Helicobacter pylori-negative drugnegative peptic ulcer bleeding

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World Journal of Gastroenterology 2015年第28期21卷 8636-8643页

作者： Woo Chul Chung Eun jung Jeon Dae Bum Kim Hea jung Sung Yeon-Ji Kim Eun Sun Lim Min-ah Kim jung hwan oh Department of Internal Medicine St. Paul’s HospitalCollege of Medicine the Catholic University of Korea

AIM:To investigate the clinical characteristics and outcomes of idiopathic Helicobacter pylori(***)-negative and drug-negative]peptic ulcer bleeding(PUB).METHODS:A consecutive series of patients who experienced PUB between 2006 and 2012 was retrospectively analyzed.A total of 232 patients were enrolled in this *** patients were divided into four groups according to the etiologies of PUB:idiopathic,***-associated,drug-induced and combined(***-associated and drug-induced)*** compared the clinical characteristics and outcomes between the *** the silver stain or rapid urease tests were ***-negative,we obtained an additional biopsy specimen by endoscopic re-examination and performed an *** antibody test 6-8 wk after the initial endoscopic *** a diagnosis of idiopathic PUB,a negative result of an *** antibody test was *** all cases,re-bleeding was confirmed by endoscopic *** the risk assessment,the Blatchford and the Rockall scores were calculated for all ***:For PUB,the frequency of *** infection was 59.5%(138/232),whereas the frequency of idiopathic cases was 8.6%(20/232).When idiopathic PUB was compared to ***-associated PUB,the idiopathic PUB group showed a higher rate of rebleeding after initial hemostasis during the hospital stay(30%vs 7.4%,P = 0.02).When idiopathic PUB was compared to drug-induced PUB,the patients in the idiopathic PUB group showed a higher rate of rebleeding after initial hemostasis upon admission(30%vs 2.7%,P < 0.01).When drug-induced PUB was compared to ***-associated PUB,the patients in the drug-induced PUB were older(68.49 ± 14.76 years vs 47.83 ± 15.15 years,P< 0.01) and showed a higher proportion of gastric ulcer(77%vs 49%,P < 0.01).However,the Blatchford and the Rockall scores were not significantly different between the two *** the patients who experienced drug-induced PUB,no significant differences were found with respect

关键词： Peptic ulcer Gastrointestinal bleeding Helicobacter pylori Non-steroidal anti-inflammatorydrug

Is the AIM65 score useful in predicting outcomes in peptic ulcer bleeding?

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World Journal of Gastroenterology 2014年第7期20卷 1846-1851页

作者： Sung Hoon jung jung hwan oh Hye Yeon Lee Joon Won Jeong Se Eun Go Chan Ran You Eun jung Jeon Sang Wook Choi Division of Gastroenterology Department of Internal MedicineCollege of MedicineThe Catholic University of KoreaSeoul 130-709South Korea

AIM:To evaluate the applicability of AIMS65 scores in predicting outcomes of peptic ulcer ***:This was a retrospective study in a single center between January 2006 and December *** enrolled 522 patients with upper gastrointestinal haemorrhage who visited the emergency *** patients were regarded as those who had rebleeding within 30 d from the first endoscopy as well as those who died within 30 d of visiting the Emergency room.A total of 149 patients with peptic ulcer bleeding were analysed,and the AIMS65 score was used to retrospectively predict the high-risk ***:A total of 149 patients with peptic ulcer bleeding were *** poor outcome group comprised 28 patients[male:23(82.1%)vs female:5(10.7%)]while the good outcome group included 121patients[male:93(76.9%)vs female:28(23.1%)].The mean age in each group was not significantly *** mean serum albumin levels in the poor outcome group were slightly lower than those in the good outcome group(P=0.072).For the prediction of poor outcome,the AIMS65 score had a sensitivity of35.5%(95%CI:27.0-44.8)and a specificity of 82.1%(95%CI:63.1-93.9)at a score of *** AIMS65 score was insufficient for predicting outcomes in peptic ulcer bleeding(area under curve=0.571;95%CI:0.49-0.65).CONCLUSION:The AIMS65 score may therefore not be suitable for predicting clinical outcomes in peptic ulcer *** albumin levels may be a risk factor associated with high mortality in peptic ulcer bleeding.

关键词： Gastrointestinal haemorrhage Peptic ulcer Mortality Morbidity Prognosis

Inhibitory effect of Cyrtomium falcatum on melanogenesis in α-MSH-stimulated B16F10 murine melanoma cells

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Asian Pacific Journal of Tropical Biomedicine 2023年第9期13卷 403-410页

作者： Xian-Rong Zhou jung hwan oh Fatih Karadeniz Hyunjung Lee Hyo Eun Kim Migeon Jo Youngwan Seo Chang-Suk Kong Department of Bioscience Silla UniversityBusan 46958Korea Collaborative Innovation Center for Child Nutrition and Health Development Chongqing University of EducationChongqing 400067China Marine Biotechnology Center for Pharmaceuticals and Foods Silla UniversityBusan 46958Korea Nutritional Education Graduate School of EducationSilla UniversityBusan 46958Korea Department of Food and Nutrition Silla UniversityBusan 46958Korea Division of Convergence on Marine Science Korea Maritime and Ocean UniversityBusan 49112Korea

Objective:To explore the anti-melanogenic potential of Cyrtomium ***:The effects of Cyrtomium falcatum crude extract and its solvent fractions on tyrosinase activity,melanin content,and the expressions of melanogenesis-related genes and proteins were analyzed inα-melanocyte-stimulating hormone(α-MSH)-stimulated B16F10 ***:α-MSH treatment significantly increased tyrosinase activity,and extracellular and intracellular melanin content,as well as the expression levels of tyrosinase,microphthalmia-associated transcription factor(MITF),tyrosinase-related protein(TRP)-1,and TRP-2 in B16F10 *** with Cyrtomium falcatum crude extract and its solvent fractions reduced tyrosinase activity and extracellular and intracellular melanin content and downregulated the expression levels of tyrosinase,MITF,TRP-1,and TRP-2 in a dose-dependent ***:Cyrtomium falcatum has potential anti-melanogenesis effects and can be used as a potential source material in cosmeceutical industry for the research and development of novel lead molecules with whitening properties.

关键词： Cyrtomium falcatum Melanogenesis α-MSH B16F10 melanoma cells

Lentinula edodes extract inhibits matrix metalloproteinase expression and increases typeⅠprocollagen expression via the p38 MAPK/c-Fos signaling pathway in ultraviolet A and B-irradiated HaCaT keratinocytes

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Asian Pacific Journal of Tropical Biomedicine 2021年第4期11卷 164-173页

作者： jung Im Lee jung hwan oh Fatih Karadeniz So Young Park Hye Ran Kim Hyun Jin Jo Kyung Im jung Byung-Jin Jeon Chang-Suk Kong Marine Biotechnology Center for Pharmaceuticals and Foods Silla UniversityBusan 46958Korea Department of Food and Nutrition College of Medical and Life SciencesSilla UniversityBusan 46958Korea Ocean Fisheries and Bio Center Busan technoparkBusan 46048Korea

Objective:To determine the effect of Lentinula edodes extract on ultraviolet(UV)A and UVB-induced changes in matrix metalloproteinase(MMP)and type I procollagen expression using human immortalized HaCaT ***:Lentinula edodes ethanol extract(LEE)was obtained by extraction with 80%ethanol for 4 h at 80℃.Effect of LEE on UVinduced alteration on the expression and production of MMPs and type I procollagen in keratinocytes was investigated using ELISA,RT-PCR,and Western blotting *** determine the underlying mechanism of LEE-mediated effects,mitogen-activated protein kinase(MAPK)and activator protein 1 signaling pathways were analysed by Western blotting ***:LEE significantly inhibited the expression of MMP-1 and MMP-9 and increased the expression of type I procollagen in UVA and UVB-irradiated HaCaT *** phosphorylation levels of p38 were significantly inhibited by LEE whereas it did not affect c-Jun N-terminal kinase and extracellular signal-regulated kinase *** of p38 phosphorylation was also accompanied by downregulation of UVA and UVB-induced increase in ***:LEE effectively inhibits the expression of MMP-1 and MMP-9 and increases type I procollagen production through the p38 MAPK/c-Fos signaling pathway in UVA and UVB-irradiated HaCaT *** findings suggest that Lentinula edodes may be developed as a cosmetic material to suppress UV exposuremediated skin aging.

关键词： Lentinula edodes Ultraviolet Matrix metalloproteinases TypeⅠprocollagen Ha Ca T

Dual-priming oligonucleotide-based multiplex PCR using tissue samples in rapid urease test in the detection of Helicobacter pylori infection

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World Journal of Gastroenterology 2014年第21期20卷 6547-6553页

作者： Woo Chul Chung Sung Hoon jung jung hwan oh Tae Ho Kim Dae Young Cheung Byung Wook Kim Sung Soo Kim Jin Il Kim Eun Young Sin Department of Internal Medicine the Catholic University of KoreaSeoul 130-709South Korea The Research Institute of St. Vincent Hospital the Catholic University of KoreaSuwon 442-723South Korea

AIM: To investigate whether tissue samples processed by the rapid urease test (RUT) kit are suitable for dual-priming oligonucleotide-based multiplex polymerase chain reaction (DPO-PCR) to detect Helicobacter pylori (... 详细信息

关键词： Helicobacter pylori Diagnosis Dual-priming oligonucleotide-based multiplex polymerase chain reaction

Concomitant therapy achieved the best eradication rate for Helicobacter pylori among various treatment strategies

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World Journal of Gastroenterology 2015年第1期21卷 351-359页

作者： Hyun Jeong Lee Jin Il Kim Jin Soo Lee Eun jung Jun jung-hwan oh Dae Young Cheung Woo Chul Chung Byung-Wook Kim Sung Soo Kim Division of Gastroenterology Department of Internal MedicineCollege of MedicineThe Catholic University of KoreaSeoul 150-713South Korea

AIM: To compare the Helicobacter pylori(***) eradication rate of clarithromycin-based triple therapy,metronidazole-based triple therapy,sequential therapy and concomitant ***: A total of 680 patients infected with *** were divided into 4 groups and each group was treated with a different eradication ***-based triple therapy was applied to the first group [rabeprazole,amoxicillin and clarithromycin(PAC) group: proton pump inhibitor(PPI),amoxicillin,clarithromycin],whereas the second group was treated with metronidazole-based triple therapy [rabeprazole,amoxicillin and metronidazole(PAM) group: PPI,amoxicillin,metronidazole].The third group was treated with rabeprazole and amoxicillin,followed by rabeprazole,clarithromycin and metronidazole(sequential group).The final group was simultaneously treated with rabeprazole,amoxicillin clarithromycin and metronidazole(concomitant therapy group).In the case of a failure to eradicate ***,second-line quadruple and third-line eradication therapies were ***: The per protocol(PP) analysis was performed on 143,139,141 and 143 patients in the PAC,PAM,sequential and concomitant groups,*** excluded patients who did not receive a C13-urea breath test(22,20,23 and 22 patients,respectively) and patients with less than an 80% compliance level(5,11,6 and 5 patients,respectively).The eradication rates were 76.2%(109/143) in the PAC group,84.2%(117/139) in the PAM group,84.4%(119/141) in the sequential group and 94.4%(135/143) in the concomitant group(P = 0.0002).All 14 patients who failed second-line therapy were treated with thirdline eradication *** these 14 patients,6 infections were successfully eradicated with the thirdline *** PP and intention-to-treat analysis showed an eradication rate of 42.9%(6/14).In the PAC group,3 of 4 patients were successfully cured(3/4,75%); 2 of 2 patients in the PAM group(2/2,100%) and 1 of 5 patients in the seque

关键词： Helicobacter pylori Eradication Drug resistance Co

Evaluation of esophageal function in patients with esophageal motor abnormalities using multichannel intraluminal impedance esophageal manometry

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World Journal of Gastroenterology 2006年第39期12卷 6349-6354页

作者： Yu Kyung Cho Myung-Gyu Choi Jae Myung Park jung hwan oh Chang Nyol Paik Joon Wook Lee In Seok Lee Sang Woo Kim In-Sik Chung Division of Gastroenterology Department of Internal Medicine The Catholic University of Korea Seoul Korea

AIM: To evaluate the functional aspect of esophageal motility in healthy subjects and in patients who were referred for esophageal function testing using multichannel intraluminal impedance-esophageal manometry (MII-EM), and to assess the clinical utility of MII-EM. METHODS: From September 2003 to January 2004, we performed the MII-EM on healthy volunteers and all the patients who were referred for esophageal function testing. Each patient received 10 liquid and 10 viscous swallows. We analyzed the results, the impedance and the manometric findings. Some of the subjects had additional ambulatory 24-h pH study performed to diagnose gastroesophageal reflux disease (GERD). RESULTS: Among 89 studied subjects, the MII-EM findings showed normal esophageal motility in 50 (56.17%), ineffective esophageal motility (IEM) in 17 (19.10%), nutcracker esophagus in 7 (7.86%), achalasia in 4 (4.49%), and scleroderma esophagus in 11 (12.35%) cases. The completeness and the speed of bolus transit were in the order of nutcracker esophagus, normal manometry and IEM. Some of the swallows showing normal manometry and IEM had incomplete transit. In the achalasia and scleroderma esophagus, almost all the swallows had incomplete transit. The body amplitudes were higher for the swallows with complete transit than for the swallows with incomplete transit. There was not a significant difference in the manometric and impedance findings between the subjects with and without GERD. CONCLUSION: MII-EM is a useful tool in assessing theesophageal function in the patients having esophageal motility abnormality. The primary factors influencing the bolus transit are the amplitude of the esophageal body and normal peristalsis.

关键词： Impedance manometry Esophageal function Motility Bolus transit

Chronic gastrointestinal symptoms and quality of life in the Korean population

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World Journal of Gastroenterology 2008年第41期14卷 6388-6394页

作者： Jeong-Jo Jeong Myung-Gyu Choi Young-Seok Cho Seung-Geun Lee jung-hwan oh Jae-Myung Park Yu-Kyung Cho In-Seok Lee Sang-Woo Kim Sok-Won Han Kyu-Yong Choi In-Sik Chung Department of Internal Medicine the Catholic University of Korea Department of Biostatistics University of North Carolina at Chapel Hill NC

AIM： To evaluate the prevalence of chronic gastroin- testinal symptoms and their impact on health-related quality of life （HRQOL） in the Korean population. METHODS： A cross-sectional survey, using a reliable and valid Rome I] based questionnaire, was per- formed on randomly selected residents, between 18 and 69 years in age. All respondents were interviewed at their homes or offices by a team of interviewers. The impact of chronic gastrointestinal symptoms on HRQOL was assessed using the Korean version of the 36-item Short-Form general health survey （SF-36）. RESULTS： Of the 1807 eligible subjects, 1417 （78.4%： male 762; female 655） were surveyed. Out of the respondents, 18.6% exhibited at least one chronic gastrointestinal symptom. The prevalence of gastro- esophageal reflux disease （GERD）, defined as heart- burn and/or acid regurgitation experienced at least weekly, was 3.5% （95% CI, 2.6-4.5）. The prevalence of uninvestigated dyspepsia, irritable bowel syndrome （IBS） and chronic constipation based on Rome Ⅱ criteria were 11.7% （95% CI, 10.1-13.5）, 2.2% （95% CI, 1.5-3.1）, and 2.6% （95% CI, 1.8-3.5） respectively. Compared with subjects without chronic gastrointesti- nal symptoms （n = 1153）, those with GERD （n = 50）, uninvestigated dyspepsia （n = 166） and IBS （n = 31） had significantly worse scores on most domains of the SF-36 scales. CONCLUSION： The prevalence of GERD, uninvesti- gated dyspepsia and IBS were 3.5%, 11.7% and 2.2% respectively, in the Korean population. The health- related quality of life was significantly impaired in subjects with GERD, uninvestigated dyspepsia and IBS in this community.

关键词： Chronic gastrointestinal symptom Gastroesophageal reflux disease Dyspepsia Irritable bowel syndrome Qaulibl of life