A systematic comparison of triple therapies for treatment of Helicobacter pylori infection with proton pump inhibitor/ ranitidine bismuth citrate plus clarithromycin and either amoxicillin or a nitroimidazoleM J Janssen
Department of Gastroenterology and Hepatology, University Medical Centre St Radboud, Nijmegen, The Netherlands
Aliment Pharmacol Ther 15:613-24. 2001
..However, it is not clear which of these antibiotic combinations should be preferred...
[Low prevalence of metronidazole- and clarithomycin-resistant Helicobacter pylori in the 's-Hertogenbosch region, 1998-2003]M J R Janssen
Universitair Medisch Centrum St Radboud, afd Maag, Darm en Leverziekten, Nijmegen
Ned Tijdschr Geneeskd 149:2175-7. 2005
..To measure the prevalence of metronidazole- or clarithromycin-resistant Helicobacter pylori. DESIGN. Retrospective...
Helicobacter pylori antibiotic resistance in a Dutch region: trends over timeM J R Janssen
Department of Gastroenterology and Hepatology 455, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
Neth J Med 64:191-5. 2006
..Therefore, the aim of this study was to investigate the prevalence of primary clarithromycin and/or metronidazole resistant H. pylori strains over a six-year period (1997-2002) in a regional hospital...
Gastric acid-suppressive therapy and community-acquired respiratory infectionsR J F Laheij
Department of Gastroenterology, University Medical Center St Radboud, Nijmegen, The Netherlands
Aliment Pharmacol Ther 18:847-51. 2003
..Bacteria and viruses have been detected in the stomach of patients during acid-suppressive therapy...
The influence of pretreatment on cure rates of Helicobacter pylori eradicationM J R Janssen
Department of Gastroenterology and Hepatology 547, University Medical Centre St Radboud, PO Box 9101, 6500 HB Nijmegen, The Netherlands
Neth J Med 62:192-6. 2004
..There is conflicting evidence whether pretreatment influences the efficacy of H. pylori eradication. The aim of this study was to investigate the influence of pretreatment on cure rates of H. pylori eradication...
Meta-analysis: the influence of pre-treatment with a proton pump inhibitor on Helicobacter pylori eradicationM J R Janssen
Department of Gastroenterology and Hepatology, University Medical Centre St Radboud, Nijmegen, The Netherlands
Aliment Pharmacol Ther 21:341-5. 2005
..However, the high eradication rates make it difficult to study factors associated with therapy failure in small populations. In order to overcome this problem we performed a meta-analysis...
Measuring the severity of upper gastrointestinal complaints: does GP assessment correspond with patients' self-assessment?G A J Fransen
Department of General Practice, Research Institute Caphri, Maastricht University, Maastricht, The Netherlands
Fam Pract 24:252-8. 2007
..This study aimed to investigate the interrater agreement between physician-reported severity and patient-reported severity concerning the patients' upper GI complaints...
Vitamin B12 deficiency in patients with upper gastrointestinal symptoms in the Mekong Delta, VietnamT v Nguyen
Dig Liver Dis 38:438-9. 2006
Evaluation of a gastrointestinal symptoms questionnaireH J Bovenschen
Department of Gastroenterology and Hepatology, Radboud University Nijmegen Medical Centre, P O Box 9101, NL 6500 HB, Nijmegen, The Netherlands
Dig Dis Sci 51:1509-15. 2006
..05). In conclusion, the GI symptom questionnaire is understandable and has good reproducibility for measuring the presence of GI symptoms, although symptom severity is consistently rated higher when reported by interview...