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| 1 | 胃癌预防亚太地区共识指南显示文摘背景与目的:胃癌是亚太地区的主要健康负担之一,但对其预防策略尚缺乏共识。本共识会议旨在评价预防胃癌的策略。方法:多学科专家组应用德尔菲(Delphi)法制订共识条文,提呈相关数据,对证据等级、推荐强度以及共识水平予以分级。结果:幽门螺杆菌(H.pylori)感染是非贲门胃腺癌必要但非充分的致病因子。盐的高摄入与胃癌强烈相关。新鲜果蔬对胃癌具有预防作用,但维生素和其他饮食补充并不能预防胃癌。H.pylori感染中的宿主-细菌相互作用导致不同类型的胃炎和胃酸分泌,从而决定疾病结局。胃癌阳性家族史是一个重要的危险因素。低血清胃蛋白酶原反映胃萎缩程度,可作为检出胃癌高危人群的标志物。H.pylori筛查和治疗被推荐作为减少高危人群胃癌危险性的一种策略,该策略在萎缩性胃炎发生前实施最为有效,但并不排除对胃癌高危人群的内镜监测。对胃癌低危人群不推荐行H.pylori筛查。H.pylori感染的一线治疗应遵循国家治疗指南。结论:高危人群中H.pylori筛查和根除策略可能会减少胃癌的发生率,本共识根据现有证据予以推荐。 | Kwong Ming Fock Nick Talley Paul Moayyedi Richard Hunt Takeshi Azuma Kentaro Sugano Shu Dong Xiao Shiu Kum Lam Khean Lee Goh Tsutomu Chiba Naomi Uemura Jae G Kim Nayoung Kim Tiing Leong Ang Varocha Mahachai Hazel Mitchell Abdul Aziz Rani Jyh Ming Liou Ratha-korn Vilaichone Jose Sollanor 钱本余 | 2008 | 胃肠病学2008，13，4： | 37 |
| 2 | Hepatitis B virus genotypes and hepatocellular carcinoma in Thailand显示文摘AIM: The role of hepatitis B virus (HBV) genotypes on the clinical features and prognosis of patients with hepatocellular carcinoma (HCC) is currently unknown. The aim of the present study was to evaluate the distribution of HBV genotypes and their clinical relevance in Thai patients.METHODS: HBV genotypes were determined by PCR-RFLP in stored sera of 93 asymptomatic carriers, 103 patients with chronic hepatitis, 60 patients with cirrhosis and 76patients with HCC. The clinical data were analyzed in relation to the HBV genotype.RESULTS: HBV genotypes C and B were predominant in Thailand, accounting for 73% and 21%, respectively. The distributions of genotypes B and C were similar in HCC patients compared to the other groups. Genotype C was significantly more common in HCC patients who were under 40 years old than genotype B (18% vs 0%, P= 0.03), but was significantly less common in patients older than 60 years (26% vs 56.5%, P= 0.01). The positive rate of hepatitis B e antigen (HBeAg) in patients with genotype C was significantly higher than that in patients with genotype B (71.6% vs 44.4%, P = 0.03 in chronic hepatitis; 56.8% vs 11.1%,P = 0.01 in cirrhosis). There were no differences between HCC patients with genotypes B and C regarding tumor staging by CLIP criteria and the overall median survival. Multivariate analyses showed that HBV genotype was not an independent prognostic factor of survival in HCC patients.CONCLUSION: Patients with genotype C had a higher positive rate of HBeAg and exhibited earlier progression of cirrhosis and HCC than those with genotype B. However,there were no differences in the risk of developing HCC and its prognosis between patients with these genotypes. | Pisit Tangkijvanich Varocha Mahachai Piyawat Komolmit Juthatip Fongsarun Apiradee Theamboonlers Yong Poovorawan | 2005 | World Journal of Gastroenterology2005，11，15： | 17 |
| 3 | Role of serum interleukin-18 as a prognostic factor in patients with hepatocellular carcinoma显示文摘AIM:To determine whether serum interleukin-18 (IL-18) levels correlated with clinicopathologic features and prognosis in patients with hepatocellular carcinoma (HCC). METHODS:Serum IL-18,IL-6 and IL-12 levels were measured by enzyme-linked immunosorbent assay (ELISA) from 70 patients with HCC and 10 healthy controls. RESULTS:Serum IL-18,IL-6 and IL-12 levels of patients with HCC were significantly higher that those of the controls. The levels of IL-18 correlated significantly with the presence of venous invasion and advanced tumor stages classified by Okuda's criteria. Patients with high serum IL-18 levels (≥ 105 pg/mL) had a poorer survival than those with low serum IL-18 levels (< 105 pg/mL) (4 and 11 mo,respectively,P = 0.015). Multivariate analyses showed that serum IL-18 level,but not IL-6 and IL-12 levels,was a significant and independent prognostic factor of survival. CONCLUSION:These findings demonstrate that serum IL-8 may a useful biological marker of tumor invasiveness and an independent prognostic factor of survival for patients with HCC. Thus,the detailed mechanisms of IL-18 involving in tumor progression should be further investigated. | Pisit Tangkijvanich Duangporn Thong-ngam Varocha Mahachai Apiradee Theamboonlers Yong Poovorawan | 2007 | World Journal of Gastroenterology2007，13，32： | 15 |
| 4 | Diagnostic role of serum interleukin-18 in gastric cancer patients显示文摘瞄准:在胃的癌症病人的各种各样的方面决定当前的地位并且在泰国病人与浆液 interleukins 的预示的角色发现临床的关联。方法:68 个病人在 2003 年 4 月期间在楚拉隆克恩国王纪念物医院在这研究被注册到 2005 年 5 月。胃的癌症组织学地在 17 个病人在 51 个病人和胃溃疡被证明。浆液 IL-6, IL-10, IL-12,和 IL-18 层次被连接酶的免疫吸着剂试金(ELISA ) 测量。结果:有 26 男性(55.32%) 和 21 女性(44.68%) ,他们的年龄从 33 ~ 85 年(意味着年龄 64.49 +/- 13.83 年) 。普通演讲是重量损失(41.2%) ,消化不良(39.2%) ,并且上面的胃肠的流血 15.7%) 。35.3% 胃的癌症病人的一个总数并且 6.3% 胃溃疡病人是吸烟者(P = 0.029 ) 。而且, 32.4% 胃的癌症病人和 6.3% 胃溃疡病人是含酒精的喝酒者(P = 0.044 ) 。损害地点在 39.4% 是幽门窦的,在 39.4% 的胃的身体,在 12.2% 的上面的胃和在 6.1% 病人的全部胃。H pylori 感染在 44.4% 被检测。糟糕区分的腺癌是最普通的病理学的发现(60.7%) 。外科疗法在 44.1% 病人被执行(在 5.9% 的全胃切除术,在 32.4% 的大部胃切除术和 palliative 在 5.9% 绕过外科) 。全身的化疗在 8.8% 病人作为辅助治疗被给。癌病 peritoneii 在 18.8% 病人被发现。吝啬的生存时间是 13.03 +/- 9.75 瞬间。在胃的癌症病人组的 IL-18 水平(58.54 +/- 43.96 pg/mL ) 在胃溃疡病人组比那显著地高(30.84 +/- 11.18 pg/mL )(P = 0.0001 )(95% CI 是 42.20, 13.19 ) 。为胃的癌症的诊断的 IL-18 的伤口点是 40 pg/mL,积极预兆的价值是 92.31% 。在有远转移的胃的癌症病人的 IL-6 水平(20.21 +/- 9.37 pg/mL ) 在没有转移的那些比那显著地高(10.13 +/- 7.83 pg/mL )(P = 0.037 )(95% CI 是 19.51, 0.65 ) 。在胃的癌症病人的 IL-10 和 IL-12 层次的角色是没有有效差量提供数据。结论:这些调查结果表明那浆液 IL-6 和 IL-18,然而并非 IL-10 和 IL-12 层次可以在有胃的癌症的病人是临床的关联和预示的因素的有用生物标记。而且, IL-18 能与高积极的预兆的价值为胃的癌症用作一个诊断标记。 | Duangporn Thong-Ngam Pisit Tangkijvanich Rungsun Lerknimitr Varocha Mahachai Apiradee Theamboonlers Yong Poovorawan | 2006 | World Journal of Gastroenterology2006，12，28： | 13 |
| 5 | 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 |
| 6 | Gender difference in clinicopathologic features and survival of patients with hepatocellular carcinoma显示文摘AIM: To determine the influence of gender on the clinicopathologic characteristics and survival of patients with hepatocellular carcinoma (HCC). METHODS: A retrospective analysis of medical records was performed in 299 patients with HCC and their clinicopathologic features and survival were compared in relation to gender. RESULTS: There were 260 male (87%) and 39 female patients (13%), with a male-to-female ratio of 6.7:1. Female patients had lower mean serum bilirubin levels (P=O.03), lower proportion of alcohol abuse (P=O.O02), smaller mean tumor size (P=O.02), more frequent nodular type but less frequent massive and diffuse types of HCC (P=O.01), wereless advanced in Okuda's staging (P=O.04), and less frequently associated with venous invasion (P=O.03). The median survivals in females (14 mo) were significantly longer than that of male patients (4 mo) (P=O.O04, log-rank test). Multivariate analysis demonstrated that high serum alphafetoprotein levels, venous invasion, extrahepatic metastasis and lack of therapy were independent factors related to unfavorable prognosis. However, gender did not constitute a predictive variable associated with patient survival. CONCLUSION: Female patients tend to have higher survival rates than males. These differences were probably due to more favorable pathologic features of HCC at initial diagnosis and greater likelihood to undergo curative therapy in female patients. | Pisit Tangkijvanich Varocha Mahachai Pongspeera Suwangool Yong Poovorawan | 2004 | World Journal of Gastroenterology2004，10，11： | 9 |
| 7 | Extremely high prevalence of Helicobacter pylori infection in Bhutan显示文摘AIM: To revealed the prevalence of Helicobacter pylori (H. pylori ) infection in the Bhutanese population. METHODS: We recruited a total of 372 volunteers (214 females and 158 males; mean age of 39.6 ± 14.9 years) from three Bhutanese cities (Thimphu, Punaka, and Wangdue). The status of H. pylori infection was determined based on five different tests: the rapid urease test (CLO test), culture, histology, immunohistochemistry (IHC), and serum anti H. pylori -antibody. RESULTS: The serological test showed a significantly higher positive rate compared with the CLO test, culture, histology and IHC (P < 0.001, P < 0.001, P=0.01, and P=0.01, respectively). When the subjects were considered to be H. pylori positive in the case of at least one test showing a positive result, the overall prevalence of H. pylori infection in Bhutan was 73.4%. The prevalence of H. pylori infection significantly decreased with age (P < 0.01). The prevalence of H. pylori infection was lower in Thimphu than in Punakha and Wangdue (P=0.001 and 0.06, respectively). The prevalence of H. pylori infection was significantly higher in patients with peptic ulcers than in those with gastritis (91.4% vs 71.3%, P=0.003). CONCLUSION: The high incidence of gastric cancer in Bhutan may be attributed to the high prevalence of H. pylori infection. | Ratha-korn Vilaichone Varocha Mahachai Seiji Shiota Tomohisa Uchida Thawee Ratanachu-ek Lotay Tshering Nguyen Lam Tung Toshio Fujioka Masatsugu Moriyama Yoshio Yamaoka | 2013 | World Journal of Gastroenterology2013，19，18： | 8 |
| 8 | Antibiotics resistance rate of Helicobacter pylori in Bhutan显示文摘AIM:To survey the antibiotic resistance pattern of Helicobacter pylori(H.pylori)strains isolated from Bhutanese population.METHODS:We isolated 111 H.pylori strains from the gastric mucosa of H.pylori-infected patients in Bhutan in 2010.The Epsilometer test was used to determine the minimum inhibitory concentrations(MICs)of amoxicillin(AMX),clarithromycin(CLR),metronidazole(MNZ),levofloxacin(LVX),ciprofloxacin(CIP),and tetracycline(TET).RESULTS:Nineteen of the isolated H.pylori strains were susceptible to all antibiotics tested.The isolated strains showed the highest rate of antibiotic resistance to MNZ(92/111,82.9%).Among the 92 MNZresistant strains,74 strains(80.4%)showed high-level resistance(MIC≥256 g/mL).Three strains were resistance to LVX(2.7%).These strains were also resistance to CIP.None of the strains showed resistance to CLR,AMX and TET.CONCLUSION:CLR-based triple therapy is a more effective treatment approach over MNZ-based triple therapy for H.pylori infection in Bhutan. | Ratha-korn Vilaichone Yoshio Yamaoka Seiji Shiota Thawee Ratanachu-ek Lotay Tshering Tomohisa Uchida Toshio Fujioka Varocha Mahachai | 2013 | World Journal of Gastroenterology2013，19，33： | 6 |
| 9 | Serum proteins in chronic hepatitis B patients treated with peginterferon alfa-2b显示文摘AIM: To study the differential protein profile in serum of hepatitis B patients.METHODS: Serum samples were obtained from patients with chronic hepatitis B who were receiving peginterferon alfa-2b.The serum samples were subjected to albumin depletion and analyzed by two-dimensional gel electrophoresis(2-DE).Differentially expressed protein spots were identified by electrospray ionizationquadrupole time-of-flight mass spectrometry.Alpha2-HS-glycoprotein,complement component C3c and CD5 antigen were further analyzed by an enzymelinked immunosorbent assay and immunonephelometry.RESULTS: Nineteen patients with HBeAg-positive chronic hepatitis B(CHB) were studied.These patients were followed for at least 1 year after treatment and were classified according to their treatment response: responders(n = 9) and non-responders(n = 10).2-DE and MS/MS analysis were performed to compare the serum proteins before initiating peginterferon alfa2b.From the quantitative analysis of the 2-D gel,7 proteins were detected between the two groups at different levels before treatment.Among these potential candidates,serum levels of alpha-2-HS-glycoprotein,complement component C3c and CD5 antigen-like precursor were further analyzed.In the validation phase,23 subjects,9 sustained responders and 14 nonresponders,were recruited.Interestingly,the levels of alpha-2-HS-glycoprotein and complement component C3c were elevated in the serum of the non-responders compared to the responders.CONCLUSION: Serum alpha-2-HS-glycoprotein and complement component C3c may be potential serum biomarkers in predicting the treatment response of peginterferon alfa-2b in patients with CHB prior to treatment. | Sunida Kuakarn Poorichaya SomParn Pisit Tangkijvanich Varocha Mahachai Visith Thongboonkerd Nattiya Hirankarn | 2013 | World Journal of Gastroenterology2013，19，31： | 4 |
| 10 | Improved Efficacy of Proton Pump Inhibitor – Amoxicillin – Clarithromycin Triple Therapy for Helicobacter pylori Eradication in Low Clarithromycin Resistance Areas or for Tailored Therapy显示文摘 | Sanchai Prasertpetmanee Varocha Mahachai Ratha‐korn Vilaichone | 2013 | Helicobacter2013，，4： | 3 |
| 11 | Direct measurement of gastric H^+/K^+-ATPase activities in patients with or without Helicobacter pylori-associated chronic gastritis显示文摘AIM: The role of Helicobacter pylori (H pylori) infection in gastric acid secretion of patients with chronic gastritisremains controversial. This study was designed to elucidate the effect of H pylori on H+/K+-ATPase activities in gastric biopsy specimens.METHODS: Eighty-two patients with chronic gastritis who had undergone upper endoscopy were included in this study. H pylori infection was confirmed by rapid urease test and histology. Gastric H+/K+-ATPase activities and serum gastrin concentrations were measured by an enzymatic method and radioimmunoassay, respectively. For those patients who received triple therapy for eradicating H pylori, changes in the activity of gastric H+/K+-ATPase and serum gastrin levels were also measured. RESULTS: The mean gastric H+/K+-ATPase activity in H pyloripositive group (42 patients) was slightly higher than thatin H pylori-negative group (29 patients) (169.65±52.9 and eradication of H pylori, the gastric H+/K+-ATPase activities slightly decreased compared to prior therapy (165.03±59.50 The mean basal gastrin concentration was slightly higher in H pylori-positive patients than in H pylori-negative patients (87.92±39.65 pg/mL vs75.04± 42.57 pg/mL, P= 0.228). The gastrin levels fell significantly after the eradication of Hpylori. (Before treatment 87.00±30.78 pg/mL, aftertreatment 64.73±18.96 pg/mL, P = 0.015).CONCLUSION: Gastric H+/K+-ATPase activities are not associated with H pylori status in patients with chronicgastritis. | Duangporn Thong-Ngam Pisit Tangkijvanich Pichet Sampatanukul Paungpayom Prichakas Varocha Mahachai Piyaratana Tosukowong | 2005 | World Journal of Gastroenterology2005，11，23： | 3 |
| 12 | Seroprevalence of Helicobacter pylori infection and gastric mucosal atrophy in Bhutan, a country with a high prevalence of gastric cancer显示文摘 | Seiji Shiota Varocha Mahachai Ratha-korn Vilaichone Thawee Ratanachu-ek Lotay Tshering Tomohisa Uchida Osamu Matsunari Yoshio Yamaoka | 2013 | Journal of Medical Microbiology2013，，1： | 2 |
| 13 | Helicobacter pylori Diagnosis and Management显示文摘 | Ratha-Korn Vilaichone Varocha Mahachai David Y. Graham | 2006 | Gastroenterology Clinics of North America2006，，2： | 1 |
| 14 | Helicobacter pylori diagnosis and management显示文摘 | Ratha-Korn Vilaichone Varocha Mahachai David Y | 2006 | Gastroenterology clinics of north america2006，，35： | 1 |
| 15 | Rationale in diagnosis and screening of atrophic gastritis with stomach-specific plasma biomarkers显示文摘 | Lars Agréus Ernst J Kuipers Limas Kupcinskas Peter Malfertheiner Francesco Di Mario Marcis Leja Varocha Mahachai Niv Yaron Martijn van Oijen Guillermo Perez Perez Massimo Rugge Jukka Ronkainen Mikko Salaspuro Pentti Sipponen Kentaro Sugano Joseph Sung | 2012 | Scandinavian Journal of Gastroenterology2012，，2： | 1 |
| 16 | Report From the Multinational Irritable Bowel Syndrome Initiative 2012显示文摘 | Mark Pimentel Nicholas J. Talley Eamonn M.M. Quigley Albis Hani Ala Sharara Varocha Mahachai | 2013 | Gastroenterology2013，，7： | 1 |
| 17 | Helicobacter pylori in North and South America before Columbus显示文摘 | Yoshio Yamaoka Etsuro Orito Masashi Mizokami Oscar Gutierrez Naruya Saitou Tadashi Kodama Michael S Osato Jong G Kim Francisco C Ramirez Varocha Mahachai David Y Graham | 2002 | FEBS Letters2002，，1： | 1 |
| 18 | A case–control study on sequence variations in the enhancer II/core promoter/precore and X genes of hepatitis B virus in patients with hepatocellular carcinoma显示文摘 | Pisit Tangkijvanich Pattaratida Sa-nguanmoo Varocha Mahachai Apiradee Theamboonlers Yong Poovorawan | 2010 | Hepatology International2010，，3： | 1 |
| 19 | Result of Endoscopic Biliary Drainage in Hilar Cholangiocarcinoma显示文摘 | Rungsun Rerknimitr Nusont Kladcharoen Varocha Mahachai Pinit Kullavanijaya | 2004 | Journal of Clinical Gastroenterology2004，，6： | 1 |
| 20 | Randomized, parallel, double-blind comparison of the ulcer-healing effects of ilaprazole and omeprazole in the treatment of gastric and duodenal ulcers显示文摘 | Khek Yu Ho Arlene Kuan Felix Za?o Khean Lee Goh Varocha Mahachai Dong Yeon Kim Hwan Min Yoon | 2009 | Journal of Gastroenterology2009，，7： | 1 |
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