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| 1 | Breath and string test: A diagnostic package for the identification of treatment failure and antibiotic resistance of Helicobacter pylori without the necessity of upper gastrointestinal endoscopy显示文摘AIM: Helicobacter pylori ( H pylofi) resistance after failed eradication has a major impact on the outcome of a further treatment regimen. The aim of this study was to assess the validity of a non-invasive strategy using the 13C-urea breath test (UBT) and the gastric string test in identifying post-treatment resistance of Hpylori.METHODS: The UBT was routinely performed 4 to 6 wk after H pylorieradication therapy. Forty-two patients (24 females, 18 males, mean age 48 years) with a positive UBT were included in the study. A gastric string test using a capsule containing a 90 cm-long nylon fiber was performed.Before the capsule was swallowed, the free end of the string was taped to the cheek. After one hour in the stomach, the string was withdrawn. The distal 20 cm of the string was inoculated onto an agar plate and processed under microaerophilic conditions. Following the string test, upper gastrointestinal endoscopy was performed to obtain gastric biopsies for conventional culture.RESULTS: H pyloriwas successfully cultured from the gastric string in 34 patients (81%), but not in 5 patients due to contamination with oropharyngeal flora. Hpyloriwas cultured from the gastric biopsies obtained at endoscopy in 39 patients (93%).CONCLUSION: The UBT followed by the gastric string test in the case of treatment failure is a valid diagnostic strategy with the aim of determining the post-therapeutic antibiotic resistance of Hpyloriwith little inconvenience to the patient.Upper GI-endoscopy can be avoided in several cases by applying consequently this diagnostic package. | Andreas Leodolter Kathlen Wolle Ulrike von Arnim Stefan Kahl Gerhard Treiber Matthias P.Ebert Ulrich Peitz Peter Malfertheiner | 2005 | World Journal of Gastroenterology2005，11，4： | 10 |
| 2 | Prevalence of H pylori associated 'high risk gastritis' for development of gastric cancer in patients with normal endoscopic findings显示文摘AIM: To investigate the prevalence of H pylori associated corpus-predominant gastritis (CPG) or pangastritis, severe atrophy, and intestinal metaplasia (IM) in patients without any signifi cant abnormal fi ndings during upper- GI endoscopy. METHODS: Gastric biopsies from 3548 patients were obtained during upper GI-endoscopy in a 4-year period. Two biopsies from antrum and corpus were histologically assessed according to the updated Sydney-System. Eight hundred and forty-fi ve patients (mean age 54.8 ± 2.8 years) with H pylori infection and no peptic ulcer or abnormal gross fi ndings in the stomach were identifi ed and analyzed according to gastritis phenotypes using different scoring systems. RESULTS: The prevalence of severe H pylori associated changes like pangastritis, CPG, IM, and severe atrophy increased with age, reaching a level of 20% in patients of the age group over 45 years. No differences in frequencies between genders were observed. The prevalence of IM had the highest increase, being 4-fold higher at the age of 65 years versus in individuals less than 45 years. CONCLUSION: The prevalence of gastritis featuring at risk for cancer development increases with age. These findings reinforce the necessity for the histological assessment, even in subjects with normal endoscopic appearance. The age-dependent increase in prevalence of severe histopathological changes in gastric mucosa, however, does not allow estimating the individual risk forgastric cancer development-only a proper follow-up can provide this information. | Andreas Leodolter Matthias P Ebert Ulrich Peitz Kathlen Wolle Stefan Kahl Michael Vieth Peter Malfertheiner | 2006 | World Journal of Gastroenterology2006，12，34： | 4 |
| 3 | Asymmetric Access Price Regulation in Telecommunications Markets显示文摘 | Peitz M | | 0，，： | 1 |
| 4 | Top 10 myths regarding sedation and delirium in the ICU显示文摘 | Peitz GJ Balas MC Olsen KM | 2013 | Crit Care Med2013，41，91： | 1 |
| 5 | Innovation, convergence and the role of regulation in the Netherlands and beyond显示文摘 | Paul de Bijl Martin Peitz | 2008 | Telecommunications Policy2008，，11： | 1 |
| 6 | Asymmetric Regulation of Access and Price Discrimination in Telecommunications 显示文摘 | Peitz M | 2005 | Journal of Regulatory Economics2005，28，32： | 1 |
| 7 | Integrated Platform for Production and Purification of Human Pluripotent Stem Cell-Derived Neural Precursors显示文摘 | Gon?alo M. C. Rodrigues Andreia F. S. Matos Tiago G. Fernandes Carlos A. V. Rodrigues Michael Peitz Simone Haupt Maria Margarida Diogo Oliver Brüstle Joaquim M. S. Cabral | 2014 | Stem Cell Reviews and Reports2014，，2： | 1 |
| 8 | Asymmetric regulation of access and price discrimination in telecommunications显示文摘 | Martin Peitz | 2005 | Journal of Regulatory Economics2005，，3： | 1 |
| 9 | Correlation of serum pepsinogens and gastrin-17 with atrophic gastritis in gastroesophageal reflux patients:a matched-pairs study显示文摘 | PEITZ U WEX T VIETH M | | 0，，： | 1 |
| 10 | Advance-purchase discounts as a price discrimination device显示文摘 | Volker Nocke Martin Peitz Frank Rosar | 2010 | Journal of Economic Theory2010，，1： | 1 |
| 11 | The interplay between Helicobacter pylori,gastro-oesophageal reflux disease,and intestinal metaplasia显示文摘 | Malfertheiner P Peitz U | | 0，，1： | 1 |
| 12 | What constitutes failure for Helicobacter pylori eradication therapy?显示文摘 | Malfertheiner P Peitz U Treiber G | 2003 | Can J Gastroenterol2003，17，： | 1 |
| 13 | Long term clinical course of ulcer Disease and incidence of reflux oesophagitis in a large cohort of duodenal ulcer patients followed after eradication of Helicobacter pylori显示文摘 | Labenz J Tillenburg B Peitz U | 1995 | Gut1995，37，： | 1 |
| 14 | Effects of seminal vesicle fluid components on sperm motility in the house mouse 显示文摘 | PEITZ B | 1988 | J Reprod Fertil1988，83，1： | 1 |
| 15 | Asymmetric regulation of access and price discrimination in telecommunications显示文摘 | M PEITZ | 2005 | Journal of Regulatory Economics2005，3，： | 1 |
| 16 | An alter- native mechanistic concept for homogeneous selective ethylene oligomerization of chromium-based catalysts: binuclear metallacycles as a reason for 1- octene selec- tivity 显示文摘 | PEITZ S ALURI B R PEULECKE N | 2010 | Chem Eur2010，16，26： | 1 |
| 17 | What constitutes failure forHelicobacter pylori eradication therapy显示文摘 | Malfertheiner P Peitz U Treiber G | 2003 | Can J Gastroenterol2003，，： | 1 |
| 18 | Case management for depression by health care assistants in small primary care practices:a cluster randomized trial显示文摘 | Gensichen J von Korff M Peitz M | 2009 | Ann Intern Med2009，151，6： | 1 |
| 19 | Hypertension add 'cherisk of mild cognitfve impairment显示文摘 | Peitz C Tang MX Manly J | 2007 | Arch Neurol2007，64，12： | 1 |
| 20 | Chromoendoscopy: from a research tool to clinical progress显示文摘 | Peitz U Malfertheiner P | 2002 | Dig Dis2002，20，2： | 1 |
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