WGO Graded Evidence: Helicobacter Pylori in Developing Countries

Level: Meta-analyses, Systematic reviews, Practice guidelines: 27 Abstracts

Legend:   : Special Mention  : Important  : Very Important  : Key Development
	Eradication therapy for Helicobacter pylori. N Vakil, F Megraud, Gastroenterology. 2007 Sep:985-1001
	Host-bacterial interactions in Helicobacter pylori infection. MR Amieva, EM El-Omar, Gastroenterology. 2008 Jan:306-23
	Carcinogenesis of Helicobacter pylori. P Correa, J Houghton, Gastroenterology. 2007 Aug:659-72
	Helicobacter pylori infection and chronic immune thrombocytopenic purpura: long-term results of bacterium eradication and association with bacterium virulence profiles. G Emilia, M Luppi, P Zucchini, M Morselli, L Potenza, F Forghieri, F Volzone, G Jovic, G Leonardi, A Donelli, G Torelli, Blood. 2007 Dec 1:3833-41
	Immunology of Helicobacter pylori: insights into the failure of the immune response and perspectives on vaccine studies. KT Wilson, JE Crabtree, Gastroenterology. 2007 Jul:288-308
	Most patients with minimal histological residuals of gastric MALT lymphoma after successful eradication of Helicobacter pylori can be managed safely by a watch and wait strategy: experience from a lar W Fischbach, ME Goebeler, A Ruskone-Fourmestraux, T Wundisch, A Neubauer, M Raderer, A Savio, EGILS (European Gastro-Intestinal Lymphoma Study) Group, Gut. 2007 Dec:1685-7
	The sequential therapy regimen for Helicobacter pylori eradication: a pooled-data analysis. A Zullo, V De Francesco, C Hassan, S Morini, D Vaira, Gut. 2007 Oct:1353-7
	Altered gastric corpus expression of tissue inhibitors of metalloproteinases in human and murine Helicobacter infection. K Bodger, S Ahmed, L Pazmany, DM Pritchard, A Micheal, AL Khan, R Dimaline, GJ Dockray, A Varro, J Clin Pathol. 2008 Jan:72-8
	Breath tests for gastrointestinal disease: the real deal or just a lot of hot air? RJ Saad, WD Chey, Gastroenterology. 2007 Dec:1763-6
	Detection of Helicobacter pylori gastritis by PCR: correlation with inflammation scores and immunohistochemical and CLOtest findings. J Weiss, TK Tsang, X Meng, H Zhang, E Kilner, E Wang, W Watkin, Am J Clin Pathol. 2008 Jan:89-96
	Helicobacter pylori gastritis in children is associated with a regulatory T-cell response. PR Harris, SW Wright, C Serrano, F Riera, I Duarte, J Torres, A Peña, A Rollán, P Viviani, E Guiraldes, JM Schmitz, RG Lorenz, L Novak, LE Smythies, PD Smith, Gastroenterology. 2008 Feb:491-9
	Helicobacter pylori infection induces candidate stem cell marker Musashi-1 in the human gastric epithelium. H Murata, S Tsuji, M Tsujii, T Nakamura, HY Fu, H Eguchi, K Asahi, H Okano, S Kawano, N Hayashi, Dig Dis Sci. 2008 Feb:363-9
	Helicobacter pylori vaccine: from past to future. K Agarwal, S Agarwal, Mayo Clin Proc. 2008 Feb:169-75
	Immunochromatographic monoclonal test for detection of Helicobacter pylori antigen in stool is useful in children from high-prevalence developing country. J Nares-Cisneros, Y Jaramillo-Rodríguez, VA Martínez-Ordaz, VM Velasco-Rodríguez, A Madero, G Mena-Arias, L Manriquez-Covarrubias, Helicobacter. 2007 Aug:354-8
	Serum and tissue beta-2 microglobulin levels in patients with Helicobacter pylori infection. H Akay, A Akay, S K&oeig;klu, Dig Dis Sci. 2008 Feb:358-62
	13C-urea breath test values and Helicobacter pylori eradication. A Zullo, F Perna, C Ricci, C Hassan, A Tampieri, V De Francesco, S Morini, D Vaira, Dig Dis Sci. 2008 Feb:370-4
	Childhood Helicobacter pylori infection and growth impairment in developing countries: a vicious cycle? HJ Windle, D Kelleher, JE Crabtree, Pediatrics. 2007 Mar:e754-9
	Comparison of biopsy-based methods for the detection of Helicobacter pylori infection. J Yakoob, S Abid, W Jafri, Z Abbas, M Islam, Z Ahmad, Br J Biomed Sci. 2006:159-62
	Critical role of Helicobacter pylori in the pattern of gastritis and carditis in residents of an area with high prevalence of gastric cardia cancer. M Sotoudeh, MH Derakhshan, B Abedi-Ardakani, M Nouraie, A Yazdanbod, SM Tavangar, J Mikaeli, S Merat, R Malekzadeh, Dig Dis Sci. 2008 Jan:27-33
	Regulation of IL-18 in Helicobacter pylori infection. K Yamauchi, IJ Choi, H Lu, H Ogiwara, DY Graham, Y Yamaoka, J Immunol. 2008 Jan 15:1207-16
	Relationship among oxidative DNA damage, gastric mucosal density and the relevance of cagA, vacA and iceA genotypes of Helicobacter pylori. MS Ladeira, RC Bueno, BF Dos Santos, CL Pinto, RP Prado, MG Silveira, MA Rodrigues, W Bartchewsky Jr, J Pedrazzoli Jr, ML Ribeiro, DM Salvadori, Dig Dis Sci. 2008 Jan:248-55
	Seroprevalence of Helicobacter pylori infection in Malaysian children: evidence for ethnic differences in childhood. CC Boey, KL Goh, WS Lee, N Parasakthi, J Paediatr Child Health. 1999 Apr:151-2
	Systematic review and meta-analysis: importance of CagA status for successful eradication of Helicobacter pylori infection. T Suzuki, K Matsuo, A Sawaki, H Ito, K Hirose, K Wakai, S Sato, T Nakamura, K Yamao, R Ueda, K Tajima, Aliment Pharmacol Ther. 2006 Jul 15:273-80
	Systematic review: are probiotics useful in controlling gastric colonization by Helicobacter pylori? M Gotteland, O Brunser, S Cruchet, Aliment Pharmacol Ther. 2006 Apr 15:1077-86
	The effect of CYP2C19 polymorphisms on H. pylori eradication rate in dual and triple first-line PPI therapies: a meta-analysis. S Padol, Y Yuan, M Thabane, IT Padol, RH Hunt, Am J Gastroenterol. 2006 Jul:1467-75
Supplementary evidence:
	Epidemiological aspects of Helicobacter pylori infection H Leclerc, Bull Acad Natl Med. 2006 Apr-May:949-62
	The diagnostic yield of various tests for Helicobacter pylori infection in patients on acid-reducing drugs. J Yakoob, W Jafri, Z Abbas, S Abid, M Islam, Z Ahmed, Dig Dis Sci. 2008 Jan:95-100