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39 results on '"Woo, Young Sik"'

14. Epigastric symptoms of gallbladder dyskinesia mistaken for functional dyspepsia

Author

Jung, Sung Won, Joo, Min Sun, Choi, Hyun Chang, Jang, Sung Ill, Woo, Young Sik, Kim, Jin Bae, Park, Sang Hoon, and Lee, Myung Seok

Subjects
Adult, Male, Observational Study, Middle Aged, functional dyspepsia, gallbladder dyskinesia, Diagnosis, Differential, Humans, Female, Dyspepsia, Radionuclide Imaging, refractory functional dyspepsia, Research Article, Biliary Dyskinesia, Retrospective Studies
Abstract

Functional dyspepsia (FD) is a constellation of epigastric symptoms originating in the gastroduodenal region without organic and metabolic cause. However, similar confounding symptoms can also appear in patients with gallbladder (GB) dyskinesia. Therefore, symptoms of GB dyskinesia may be mistaken for FD. We aimed to identify GB dyskinesia as a cause of FD symptoms compatible with the Rome IV criteria and the need for an evaluation of GB function in patients with FD symptoms. We investigated information of patients with FD symptoms who underwent a quantitative 99Tcm-diisoproyl iminodiacetic acid cholescintigraphy (DISIDA scan) through electronic medical records, and GB dyskinesia was judged to be the cause of the FD symptoms if the symptoms disappeared as GB function normalized on the follow-up DISIA scan in patient with decreased GB function on the initial DISIDA scan. A total of 275 patients underwent a DISIDA scan. Eighteen patients of them had FD symptoms compatible with the Rome IV criteria. Three were lost after undergoing a DISIDA scan. Eight had normal GB function, and the other 7 had decreased GB function on the initial DISIDA scan. In 4 of the 7 patients with GB dyskinesia, FD symptoms disappeared as GB function normalized. As a result, GB dyskinesia was the cause of the symptoms in 4 of 18 patients with FD symptoms compatible with the Rome IV criteria. It is necessary to evaluate GB function in patients with refractory FD symptoms because the symptoms can be caused by GB dyskinesia.

Published
2017

15. Predictors of Malignancy in "Pure" Branch-Duct Intraductal Papillary Mucinous Neoplasm of the Pancreas without Enhancing Mural Nodules on CT Imaging: A Nationwide Multicenter Study

Author

Kim, Tae-Hyeon, primary, Woo, Young-Sik, additional, Chon, Hyung-Ku, additional, Hwang, Jin-Hyeok, additional, Yoo, Kyo-Sang, additional, Lee, Woo-Jin, additional, Lee, Kwang-Hyuck, additional, Lee, Jong-Kyun, additional, Dong, Seok-Ho, additional, Park, Chang-Hwan, additional, Park, Eun-Taek, additional, Moon, Jong-Ho, additional, Kim, Ho-Gak, additional, Cho, Kwang-Bum, additional, Kim, Hong-Ja, additional, Lee, Seung-Ok, additional, Cheon, Young-Koog, additional, Lee, Jeong-Mi, additional, Park, Jin-Woo, additional, and Kim, Myung-Hwan, additional

Published
2018
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22. Development of a scoring system for differentiating IgG4-related sclerosing cholangitis from primary sclerosing cholangitis

Author

Moon, Sung-Hoon, primary, Kim, Myung-Hwan, additional, Lee, Jong Kyun, additional, Baek, Seunghee, additional, Woo, Young Sik, additional, Cho, Dong Hui, additional, Oh, Dongwook, additional, Song, Tae Jun, additional, Park, Do Hyun, additional, Lee, Sang Soo, additional, Seo, Dong Wan, additional, and Lee, Sung Koo, additional

Published
2016
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26. Comparison of 22-gauge standard fine needle versus core biopsy needle for endoscopic ultrasound-guided sampling of suspected pancreatic cancer: a randomized crossover trial.

Author

Noh, Dong Hyo, Choi, Kyu, Gu, Seonhye, Cho, Juhee, Jang, Kee-Taek, Woo, Young Sik, Lee, Kyu Taek, Lee, Jong Kyun, and Lee, Kwang Hyuck

Subjects
ENDOSCOPIC ultrasonography, NEEDLE biopsy, PANCREATIC cancer treatment, PANCREATIC cancer diagnosis, GASTROINTESTINAL stromal tumors, DIAGNOSIS
Abstract

Background:Endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) is effective for tissue diagnosis of pancreatic mass. To improve diagnostic yield and drawbacks, 22-gauge (G) core biopsy (FNB) needle has been developed. This study aims to compare 22G FNA and FNB needles for EUS-guided sampling of suspected pancreatic cancer. Methods:This is a randomized controlled crossover trial. A total of 60 patients with suspected unresectable pancreatic cancer referred for EUS-guided sampling were randomly assigned to two groups. Both groups had 22G FNA and FNB needles performed in a randomized order. The primary endpoint was the cytological, histological and overall diagnostic accuracy of pancreatic cancer. Results:FNA and FNB needles reported similar level of diagnostic accuracy (FNA needle 95% vs. FNB needle 93.3%;p = .564), and it was not statistically different. However, cytological cellularity was significantly higher in the FNB needles compared to FNA needles (odds ratio 2.75, 95% confidence interval (CI)). There were no procedure-related complications in both needles. Conclusions:The diagnostic accuracy of EUS-guided sampling for pancreatic cancer using 22G FNA is comparable to FNB needles. The cytological quality of specimen is better in the FNB needle. [ABSTRACT FROM PUBLISHER]

Published
2018
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32. Postoperative changes of liver enzymes can distinguish between biliary stricture and graft rejection after living donor liver transplantation: A longitudinal study.

Author

Young Sik Woo, Kwang Hyuck Lee, Kyu Taek Lee, Jong Kyun Lee, Jong Man Kim, David Kwon, Choon Hyuck, Jae-Won Joh, Danbee Kang, Juhee Cho, Woo, Young Sik, Lee, Kwang Hyuck, Lee, Kyu Taek, Lee, Jong Kyun, Kim, Jong Man, Kwon, Choon Hyuck David, Joh, Jae-Won, Kang, Danbee, and Cho, Juhee

Published
2017
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39. [Trend in the Eradication Rates of Helicobacter pylori Infection Over the Last 10 Years in West Gyeonggi-do, Korea: A Single Center Experience].

Author

Park JS, Park JE, Oh BS, Yoon BW, Kim HK, Lee JW, Kim NH, Cho WS, Woo YS, Jahng J, and Kim YS

Subjects
2-Pyridinylmethylsulfinylbenzimidazoles therapeutic use, Adult, Aged, Drug Therapy, Combination, Esomeprazole therapeutic use, Female, Helicobacter Infections diagnosis, Helicobacter Infections microbiology, Helicobacter pylori isolation & purification, Humans, Male, Middle Aged, Pantoprazole, Probiotics therapeutic use, Proton Pump Inhibitors therapeutic use, Republic of Korea, Retrospective Studies, Sex Factors, Treatment Outcome, Anti-Bacterial Agents therapeutic use, Helicobacter Infections drug therapy
Abstract

Background/aims: The eradication rate of Helicobacter pylori ( H. pylori ) has been decreasing recently in Korea due to antibiotics resistance. The aim of this study was to investigate the trend of eradication rate and clinical factors affecting the eradication rate of H. pylori in the last 10 years in west Gyeonggi-do, Korea., Methods: The trends of eradication rate of H. pylori , gender, age, concomitant mediations, and clinical factors were retrospectively evaluated in patients with H. pylori infection between 2006 and 2015 (n=2,485)., Results: The overall H. pylori eradication rate for the standard triple therapy was 82.5%. The annual eradication rates from 2006 to 2015 were 90%, 77.9%, 75.8%, 83.2%, 85.6%, 90.1%, 81.3%, 81.1%, 78.7%, and 78.8%, respectively, showing a significant decrement during the last five years (p<0.001). Higher eradication rate was observed in males than in females (p<0.001). Esomeprazole showed a higher eradication rate compared with pantoprazole between 2006 and 2010 (p<0.022). Age and the use of probiotics and mucosal protective agents played no significant role in the H. pylori eradication rate. The overall eradication rate for bismuth-based quadruple therapy was 94.4%., Conclusions: The eradication rate of H. pylori over the last 10 years for first-line therapy ranged from 75.8 to 90.1%; the eradication rate for triple therapy has declined. However, the eradication rate for quadruple therapy has remained unchanged over the last 10 years.

Published
2017
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