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| 1 | Prevalence of Helicobacter pylori infection and atrophic gastritis in patients with dyspeptic symptoms in Myanmar显示文摘AIM: To survey the detailed analyses for Helicobacter pylori(H. pylori) infection and gastric mucosal status in Myanmar.METHODS: A total of 252 volunteers with dyspeptic symptoms(155 female and 97 male; mean age of 43.6 ± 14.2 years) was participated in Yangon and Mandalay. The status of H. pylori infection was determined based on 5 different tests including rapid urease test, culture, histology, immunohistochemistry and serology. Histological scores were evaluated according to the update Sydney system and the Operative Link for Gastritis Assessment system. Pepsinogen(PG)Ⅰand PG Ⅱ were measured using enzyme-linked immunosorbent assays.RESULTS: The overall prevalence of H. pylori infectionwas 48.0%. There was no relationship between age and infection rate. Even in young group(less than 29 years old), the H. pylori infection rate was relatively high(41.9%). The prevalence of H. pylori infection was significantly higher in Yangon than that of Mandalay. H. pylori infection was significantly associated with the presence of gastric mucosal atrophy. All 7 subjects with peptic ulcer were infected with H. pylori. Although H. pylori-positive subjects showed stronger gastritis than H. pylori-negative subjects, most cases had mild gastritis.CONCLUSION: We revealed the prevalence of H. pylori infection in patients with dyspeptic symptoms in Myanmar. The H. pylori infection was a risk factor for peptic ulcer and stronger gastritis. | Thein Myint Seiji Shiota Ratha-korn Vilaichone New Ni Than Than Aye Miyuki Matsuda Trang Thi Huyen Tran Tomohisa Uchida Varocha Mahachai Yoshio Yamaoka | 2015 | World Journal of Gastroenterology2015，21，2： | 10 |
| 2 | Discussion on the Correlative Problem of Maneuverability Model Test for Vessels with Large Scale显示文摘It is well known that model test is one of approaches to investigate the maneuverability of vessels and the correlative method is an important problem of model test for vessels with large scale. Some of correlative problems,which should be solved with care in model test,are presented from analysis of the similarity principle for the ship maneuverability in this paper.A corrective method of appropriate angle of rudder is provided based on the result of maneuverability model test for a tanker with large scale and the corresponding prediction of the maneuverability for full scale tanker is satisfactory in view of engineering practice. | Shaoxin Wang 1) Shaoling Ni 1) Xiangshan Lin 1) Yande Ma 2) Zhonglin Zhang 2) (Department of Naval Architecture,Dalian University of Technology 1) ,Dalian 116023, P.R.China) (Dalian New Shipyard 2) ,Dalian,P.R.China) | 1999 | 武汉理工大学学报(交通科学与工程版)1999，24，S1： | 0 |
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