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Title: World Journal of Gastroenterology
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Title: World Journal of GastroenterologyFull Journal Title: World Journal of Gastroenterology ISO Abbreviated Title: JCR Abbreviated Title: ISSN: 1007-9327 Issues/Year: Journal Country Language: Publisher: Publisher Address: Subject Categories: : Impact Factor ? Yang, H. and Zhao, Y.Y. (2008), Variations of author origins in World Journal of Gastroenterology during 2001-2007. World Journal of Gastroenterology, 14 (19), 3108-3111. Full Text: 2008\Wor J Gas14, 3108.pdf Abstract: AIM: To discuss the variations and distributions of authors who published their papers in World Journal of Gastroenterology (WJG) during 2001-2007 and evaluate the development of WJG and gastroenterology core journals in recent years by comparing the contributions of the authors. METHODS: WJG articles published in 2001-2007 were searched from MEDLINE database (by ISI Web of Knowledge). The variations (cooperation degree, cooperation rate) and distributions of the first authors were analyzed with bibliometric methods. SCIE was used to collect articles published in Am J Gastroenterol, Gastroenterology, Scand J Gastroenterol and WJG in 2007, and comparison of the data was made. Comparison indicators included the article number of annual journals, cooperation degree of authors, cooperation rate, mean number of articles published in each WJG issue, number of countries of the first WJG authors, geographical distribution and article contribution ratio of all WJG authors and domestic authors. RESULTS: Of the 5851 articles covered in MEDLINE, 173, 236, 633, 826, 1496, 1382 and 1105 articles were cited from 2001 to 2007. The cooperation degree was 5.11, 5.56, 5.75, 5.76, 6.31, 5.90 and 5.64 respectively. The cooperation rates was 94.80%, 99.15%, 98.89%, 98.55%, 99.13%, 96.67% and 95.66%, respectively. The mean number of articles published in each WJG issue from 2001 to 2007 was 28, 39, 52, 34, 31, 28 and 23, respectively. The number of countries of the first WJG authors was 8, 8, 27, 32, 49, 61 and 56, respectively. The first authors of WJG came from 3 continents in 2001 and covered 6 continents in 2006-2007. The number of articles written by Asian authors was 136 (79.07%), 227 (96.19%), 575 (90.98%), 713 (87.81%), 1111 (75.32%), 712 (53.98%) and 555 (53.21%), respectively in 2001-2007. The number of articles written by European & American authors increased from 36 (20.93%) and 8 (3.39%) in 2001-2002 to 563 (42.68%) and 452(43.34%) in 2006-2007. The number of countries except for China contributing papers was increased. The number of articles written by first authors of Japan rose from 0 (0%) in 2001-2002 to 287 (12.15%) in 2006-2007. The number of articles written by American authors increased from 6 (1.47%) in 2001-2002 to 158 (6.69%) in 2006-2007. The number of articles written by Chinese authors was 136 (79.07%), 227 (96.19%), 548 (86.71%), 669 (82.39%), 884 (59.93%), 380 (28.81%) and 320 (30.68%), respectively, in 2001 to 2007. The number of articles published in Am J Gastroentero% Gastroenterology, Scand J Gastroenterol and WJG was 565, 586, 238 and 1118, respectively in 2007. The cooperation degree was 4.77, 6.14, 5.95 and 5.64, respectively, in 2007. The cooperation rate was 95.40%, 84.18%, 96.63% and 95.66%, respectively, in 2007. The number of countries of authors contributing papers was 44, 35, 42 and 62, respectively, in 2007. CONCLUSION: The geographical distribution of WJG authors is wide for the past 2 years. WJG has made a step onto international publishing, and drawn even more attentions from gastroenterology researchers. Its authors are distributed over 74 countries in 6 global continents, and the journal has become the main intermediary for international gastroenterology researchers to demonstrate their research accomplishments. (C) 2008 WJG. All rights reserved. Keywords: Asian, Bibliometric, Bibliometric Methods, Bibliometrics, China, Chinese, Comparison, Cooperation, Data, Database, Development, Distributed, Distribution, First, Gastroenterology, Indicators, International, ISI, Japan, Journal, Journals, MEDLINE, Methods, Papers, Publishing, Rates, Research, Rights, Science Citation Index, World Journal of Gastroenterology ? Rahimi, R., Nikfar, S., Rezaie, A. and Abdollahi, M. (2009), Efficacy of tricyclic antidepressants in irritable bowel syndrome: A meta-analysis. World Journal of Gastroenterology, 15 (13), 1548-1553. Full Text: 2009\Wor J Gas15, 1548.pdf Abstract: We aimed to evaluate the efficacy of tricyclic antidepressants (TCAs) as a therapeutic option for irritable bowel syndrome (IBS) through meta-analysis of randomized controlled trials. For the years 1966 until September 2008, PUBMED, Scopus, Web of Science, and Cochrane Central Register of Controlled Trials were searched for double-blind, placebo-controlled trials investigating the efficacy of TCAs in the management of IBS. Seven randomized, placebo-controlled clinical trials met our criteria and were included in the meta-analysis. TCAs used in the treatment arm of these trials included amitriptyline, imipramine, desipramine, doxepin and trimipramine. The pooled relative risk for clinical improvement with TCA therapy was 1.93 (95% CI: 1.44 to 2.6, P < 0.0001). Effect size of TCAs versus placebo for mean change in abdominal pain score among the two studies was -44.15 (95% CI: -53.27 to -35.04, P < 0.0001). It is concluded that low dose TCAs exhibit clinically and statistically significant control of IBS symptoms. (C) 2009 The WIG Press and Baishideng. All rights reserved. Keywords: Abdominal Pain, Amitriptyline, Antibiotic-Therapy, Antidepressants, Clinical Response, Clinical Trials, Cochrane, Control, Controlled Clinical-Trials, Crohns-Disease, Double-Blind, Efficacy, Irritable Bowel Syndrome, Management, Meta Analysis, Meta-Analysis, Pain, Placebo, Probiotics, Publication Bias, Pubmed, Randomized Controlled Trials, Relative Risk, Remission, Risk, Science, Scopus, Symptoms, Systematic Review, Therapy, Treatment, Tricyclic Antidepressants, Ulcerative-Colitis, Web of Science ? Hasani-Ranjbar, S., Nayebi, N., Larijani, B. and Abdollahi, M. (2009), A systematic review of the efficacy and safety of herbal medicines used in the treatment of obesity. World Journal of Gastroenterology, 15 (25), 3073-3085. Full Text: 2009\Wor J Gas15, 3073.pdf Abstract: This review focuses on the efficacy and safety of effective herbal medicines in the management of obesity in humans and animals. PUBMED, Scopus, Google Scholar, Web of Science, and IranMedex databases were searched up to December 30, 2008. The search terms were “obesity” and (“herbal medicine” or “plant”, “plant medicinal” or “medicine traditional”) without narrowing or limiting search elements. All of the human and animal studies on the effects of herbs with the key outcome of change in anthropometric measures such as body weight and waist-hip circumference, body fat, amount of food intake, and appetite were included. In vitro studies, reviews, and letters to editors were excluded. of the publications identified in the initial database, 915 results were identified and reviewed, and a total of 77 studies were included (19 human and 58 animal studies). Studies with Cissus quadrangularis (CQ), Sambucus nigra, Asparagus officinalis, Garcinia atroviridis, ephedra and caffeine, Slimax (extract of several plants including Zingiber officinale and Bofutsushosan) showed a significant decrease in body weight. In 41 animal studies, significant weight loss or inhibition of weight gain was found. No significant adverse effects or mortality were observed except in studies with supplements containing ephedra, caffeine and Bofutsushosan. In conclusion, compounds containing ephedra, CQ, ginseng, bitter melon, and zingiber were found to be effective in the management of obesity. Attention to these natural compounds would open a new approach for novel therapeutic and more effective agents. (C) 2009 The WIG Press and Baishideng. All rights reserved. Keywords: Adverse Effects, Animal, Attention, Body Weight, Body-Weight, Caffeine, Controlled Clinical-Trial, Databases, Double-Blind, Efficacy, Fat, Google Scholar, Herbal Medicine, High-Fat Diet, Human, Humans, In Vitro, Management, Momordica-Charantia, Mortality, Obesity, Outcome, Oxidative Stress, Plants, Publications, Pubmed, Review, Safety, Salacia-Reticulata, Science, Scopus, Systematic, Systematic Review, Treatment, Visceral Adipose-Tissue, Web of Science, Weight Gain, Weight Loss, Zingiber-Officinale, Zucker Rats ? Yang, H., Zhang, J.H. and Zhang, F. (2009), Papers featured in the World Journal of Gastroenterology from 2006 to 2007. World Journal of Gastroenterology, 15 (35), 4471-4475. Full Text: 2009\Wor J Gas15, 4471.pdf Abstract: AIM: To analyze papers published in the World Journal of Gastroenterology (WJG) from 2006 to 2007. We investigated the highly cited papers for geographic distribution of the cited authors, as well as the distribution of the citing journals and year of citation. METHODS: Papers published in WJG from 2006 to 2007 and their citations were retrieved from the Science Citation Index Expanded (SCIE). The papers and their citations were analyzed according to bibliometric methods, including the number of citations for a given paper, the distribution of the highly cited papers, the geographic distribution of the cited authors, and the years of citation. RESULTS: Two thousand five hundred and six papers published in WJG from 2006 to 2007 were collected through SCIE, and 2335 of these were categorized as articles, reviews or proceedings. In 2006 and 2007, the average citation rate was 85.08% and 70.48%, respectively, and the average number of citations per paper was 4.33 and 2.51. Among the 2506 papers, 1963 were cited 8788 times by other articles. The mean number of citations per paper was 3.51. The papers with over three citations accounted for 54.72% of all those that were cited, and the total number of citations accounted for 85.38% of the total of 8788 citations. Thirteen papers were cited over 30 times and the highest number of citations for any one paper was 98. The cited authors came from 70 different countries or regions, with China, Japan and the United States being the most frequent. The highest average citation rate and number of citations per paper were for authors from Canada (96.30%, 6.89), Hungary (92.31%, 5.62), Australia (88.46%, 5.46), Germany (87.04%, 5.33), and Spain (87.50%, 5.11). The impact factor was 2.081 and the self-citation rate was 9.41% in 2008. The papers published in WJG in 2006-2007 were cited by 1597 journals. CONCLUSION: The papers in WJG have a high number of citations, and have been cited in numerous journals by authors from various countries. The results imply that WJG has an influential academic profile in gastroenterology around the world. (C) 2009 The WIG Press and Baishideng. All rights reserved Keywords: Citation Analysis, Bibliometrics, World Journal of Gastroenterology, Citation-Classics, Impact ? Buzas, G.M. (2010), Role of Orvosi Hetilap in the development of Hungarian gastroenterology. World Journal of Gastroenterology, 16 (18), 2317-2320. Full Text: 2010\Wor J Gas16, 2317.pdf Abstract: AIM: To analyze the contribution of Orvosi Hetilap (Hungarian Medical Journal) to the field of gastroenterology. METHODS: All issues of the journal between 1857 and 2008 and identified original articles and reviews dealing with gastroenterology were reviewed. The rate of publications, the thematic distribution and foreign sources of knowledge were assessed. The dates that major achievements in gastroenterology were introduced in Hungary were compared to those dates in Western medicine. RESULTS: A total of 4799 original/research articles on gastroenterology were published, which represents 11.1% of the total publications. Thematic rankings showed that liver and biliary diseases represented 20.36% of the total, followed by gastric diseases (9.35%) and surgery (8.77%). A total of 268 foreign journals were reviewed: 50.9% were German, 30.4% English, 12.1% French and only 6.6% were in other languages. The major achievements of gastroenterology were introduced with varying delays compared to Western countries. CONCLUSION: Orvosi Hetilap has made a large contribution to the development of Hungarian gastroenterology. The high proportion of gastroenterology studies underlines the importance of digestive diseases in public health. (C) 2010 Baishideng. All rights reserved. Keywords: Articles, Content Analysis, Contribution, Development, English, Gastroenterology, Health, Hepatology, Journal, Journals, Knowledge, Medicine, Orvosi Hetilap, Public Health, Publications, Rankings, Scientometrics, Surgery ? Dong, J., Zou, J.A. and Yu, X.F. (2011), Coffee drinking and pancreatic cancer risk: A meta-analysis of cohort studies. World Journal of Gastroenterology, 17 (9), 1204-1210. Full Text: 2011\Wor J Gas17, 1204.pdf Abstract: AIM: To quantitatively assess the relationship between coffee consumption and incidence of pancreatic cancer in a meta-analysis of cohort studies. METHODS: We searched MEDLINE, EMBASE, Science Citation Index Expanded and bibliographies of retrieved articles. Studies were included if they reported relative risks (RRs) and corresponding 95% CIs of pancreatic cancer with respect to frequency of coffee intake. We performed random-effects meta-analyses and meta-regressions of study-specific incremental estimates to determine the risk of pancreatic cancer associated with a 1 cup/d increment in coffee consumption. RESULTS: Fourteen studies met the inclusion criteria, which included 671080 individuals (1496 cancer events) with an average follow-up of 14.9 years. Compared with individuals who did not drink or seldom drank coffee per day, the pooled RR of pancreatic cancer was 0.82 (95% CI: 0.69-0.95) for regular coffee drinkers, 0.86 (0.76-0.96) for low to moderate coffee drinkers, and 0.68 (0.51-0.84) for high drinkers. In subgroup analyses, we noted that, coffee drinking was associated with a reduced risk of pancreatic cancer in men, while this association was not seen in women. These associations were also similar in studies from North America, Europe, and the Asia-Pacific region. CONCLUSION: Findings from this meta-analysis suggest that there is an inverse relationship between coffee drinking and risk of pancreatic cancer. (c) 2011 Baishideng. All rights reserved. Keywords: Acid, Alcohol, Analyses, Asia Pacific, Association, Bibliographies, Caffeine, Cancer, Cells, Citation, Coffee, Cohort, Cohort Study, Consumption, Criteria, Dose-Response Data, Estimates, Europe, Events, Follow-Up, Incidence, Inhibition, Mar, Medline, Men, Meta-Analysis, Metaanalysis, Methods, North, North America, Pancreatic Cancer, Pancreatic Neoplasm, Region, Rights, Risk, Risks, Science, Science Citation Index, Science Citation Index Expanded, Tea Consumption, Trend Estimation, Women ? Yu, L., Wang, C.Y., Xi, B., Sun, L., Wang, R.Q., Yan, Y.K. and Zhu, L.Y. (2011), GST polymorphisms are associated with hepatocellular carcinoma risk in Chinese population. World Journal of Gastroenterology, 17 (27), 3248-3256. Full Text: 2011\Wor J Gas17, 3248.pdf Abstract: AIM: To investigate the association between GSTM1 and GSTT1 polymorphisms and the risk of hepatocellular carcinoma (HCC) in Chinese population. METHODS: Literature databases including PubMed, ISI web of science and other databases were searched. Pooled odds ratio (OR) and 95% CI were calculated using random- or fixed- effects model. Subgroup analysis and sensitivity analysis were also performed. RESULTS: Nineteen studies of GSTM1 (2660 cases and 4017 controls) and 16 studies of GSTT1 (2410 cases and 3669 controls) were included. The GSTM1/GSTT1 null genotypes were associated with increased risk of HCC in Chinese population (for GSTM1, OR = 1.487, 95% CI: 1.159 to 1.908, P = 0.002; for GSTT1, OR = 1.510, 95% CI: 1.236 to 1.845, P = 0.000). No publication bias was detected. In subgroup analysis, glutathione S-transferases polymorphisms were significantly associated with HCC risk among the subjects living in high-incidence areas, but not among the subjects living in low-incidence areas. CONCLUSION: The present meta-analysis suggests that GSTM1/GSTT1 null genotypes are associated with increased risk of HCC in Chinese population. (C) 2011 Baishideng. All rights reserved. Keywords: Aflatoxin B-1, Analysis, Bias, Cancer Incidence, Carcinoma, Databases, Genetic Polymorphisms, Glutathione-S-Transferase, GSTM1, GSTT1, Hepatitis-B Carriers, Hepatocarcinogenesis, Hepatocellular Carcinoma, ISI, Literature, Liver Cancer, M1, Meta Analysis, Meta-Analysis, Metaanalysis, Model, Null Genotypes, Polymorphism, Polymorphisms, Publication, Publication Bias, Pubmed, Ratio, Risk, Science, Sensitivity, Susceptibility, Web of Science ? Meng, W.B., Li, X., Li, Y.M., Zhou, W.C. and Zhu, X.L. (2011), Three initial diets for management of mild acute pancreatitis: A meta-analysis. World Journal of Gastroenterology, 17 (37), 4235-4241. Full Text: 2011\Wor J Gas17, 4235.pdf Abstract: AIM: To compare non-liquid and clear-liquid diets, and to assess whether the latter is the optimal treatment for mild acute pancreatitis. METHODS: The Cochrane Library, PUBMED, EMBASE, EBM review databases, Science Citation Index Expanded, and several Chinese databases were searched up to March 2011. Randomized controlled trials (RCTs) that compared non-liquid with clear-liquid diets in patients with mild acute pancreatitis were included. A meta-analysis was performed using available evidence from RCTs. RESULTS: Three RCTs of adequate quality involving a total of 362 participants were included in the final analysis. Compared to liquid diet, non-liquid diet significantly decreased the length of hospitalization [mean difference (MD): 1.18, 95% CI: 0.82-1.55; P < 0.00001] and total length of hospitalization (MD: 1.31, 95% CI: 0.45-2.17; P = 0.003). The subgroup analysis showed solid diet was more favorable than clear liquid diet in the length of hospitalization, with a pooled MD being -1.05 (95% CI: -1.43 to -0.66; P < 0.00001). However, compared with clear liquid diet, both soft and solid diets did not show any significant differences for recurrence of pain after re-feeding, either alone [relative risk (RR): 0.95; 95% CI: 0.51-1.87; P = 0.88] and (RR: 1.22; 95% CI: 0.69-2.16; P = 0.49), respectively, or analyzed together as non-liquid diet (RR: 0.80; 95% CI: 0.47-1.36; P = 0.41). CONCLUSION: The non-liquid soft or solid diet did not increase pain recurrence after re-feeding, compared with the clear-liquid diet. The non-liquid diet reduced hospitalization. (C) 2011 Baishideng. All rights reserved. Keywords: Acute, Acute Pancreatitis, Analysis, Citation, Clinical-Trial, Cochrane, Databases, Diet, Differences, Duct Obstruction, Embase, Guidelines, Hospitalization, Length of Stay, Management, Meal, Meta Analysis, Meta-Analysis, Nutrition, Nutritious Supplement, Pain, Patients, Quality, Randomized Controlled Trials, Rats, Recurrence, Review, Risk, Safe, Science, Science Citation Index, Secretion, Solid Diet, Treatment
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