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Query: UMLS:C0013395 (dyspepsia)
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A panel of international gastroenterologists and other specialists convened at a Takeda-sponsored symposium held during the XIIIth International Workshop on Gastroduodenal Pathology and Helicobacter pylori (October 2000, Rome) to discuss clinical management of H. pylori. Topics such as management strategies as alternatives to eradication, long-term outcomes, and the impact of antibiotic resistance to H. pylori were discussed in an interactive session. The panel concluded that 1) patients with ulcer-like or reflux-like dyspepsia do appear to benefit from proton pump inhibitor therapy, 2) eradication of H. pylori may reduce future morbidity and mortality from peptic ulcer disease and gastric carcinoma, outweighing the theoretical risk of developing gastro-oesophageal reflux disease, Barrett's oesophagus, and oesophageal adenocarcinoma, and 3) the epidemiology of resistance to H. pylori, and the impact of the percentage of eradication, should be considered when an eradication regimen is being planned for patients with non-ulcer dyspepsia. Susceptibility testing may be of help in areas where this investigation is cost effective.
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PMID:Key topics in Helicobacter pylori eradication in the management of the dyspeptic patient: a panel discussion. 1168 29

The Maastricht 2 Consensus Report features evidence-based recommendations for the management of Helicobacter pylori infection. Strongly recommended indications for H. pylori eradication include duodenal and gastric ulcer, mucosa-associated lymphoid tissue lymphoma, atrophic gastritis, post gastric cancer resection, first-degree relation to gastric cancer patients, and patient's wishes. Advisable indications include functional dyspepsia, with the statement that eradication can lead to long-term improvement of symptoms in a subset of patients. Because H. pylori eradication does not cause gastro-oesophageal reflux disease (GORD) in most patients, or exacerbate existing GORD, H. pylori should be eradicated in patients requiring long-term acid suppression. Also advisable is H. pylori eradication before administration of non-steroidal anti-inflammatory drugs (NSAIDs), although this alone may be insufficient to reduce recurrent bleeding or enhance ulcer healing in patients receiving antisecretory therapy who continue to take NSAIDs. Maastricht 2 also introduced the concept of the 'treatment package' that considers first- and second-line eradication therapies together. A 'search and treat' strategy should be considered in patients with peptic ulcers; for patients with uncomplicated duodenal ulcer, administration of proton pump inhibitors can be limited to the period of antibiotic treatment.
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PMID:Key points from the revised Maastricht Consensus Report: the impact on general practice. 1168 30

Physicians should try to reach an optimal cure rate with initial anti-Helicobacter therapy. Helicobacter pylori infection in patients with peptic ulcer disease (PUD) is more likely to be cured then in patients with 'functional' dyspepsia (FD). Differences in cure rates of 5-15% are usually reported, which is considered to be clinically relevant. Different strains (virulent v. non-virulent) in PUD and FD may induce different alterations in the gastric mucosa, and thereby either facilitate or impair antimicrobial efficacy. A study in this journal showed that triple therapy with ranitidine bismuth citrate (RBC) was superior to triple therapy with a proton pump inhibitor (PPI), but only in the more-difficult-to-cure FD patients. Clinicians should be aware that most published treatment studies have included only PUD patients. This means that in clinical practice the cure rates obtained in patients with FD or even uninvestigated dyspepsia will usually be lower then those reported in the literature. One way to deal with this is to consider prolonging the duration of an initial anti-Helicobacter therapy from 7 to 10 or 14 days in patients without ulcers.
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PMID:Should anti-Helicobacter therapy be different in patients with dyspepsia compared with patients with peptic ulcer diathesis? 1169 55

The availability of clinic-based diagnostic tests means that screening for and the eradication of Helicobacter pylori can be done by primary care physicians. However, confusion still exists regarding indication and treatment regimens. It is universally accepted that patients with Helicobacter pylori infection and peptic ulcer disease require eradication therapy. But the benefits of Helicobacter pylori eradication in gastro-oesophageal reflux disease, non-steroidal anti-inflammatory drug-related peptic ulceration, and non-ulcer dyspepsia remain unclear. There is no evidence that the elimination of Helicobacter pylori is beneficial for asymptomatic patients or in preventing gastric cancer. One-week triple therapy with a proton pump inhibitor or ranitidine bismuth citrate in combination with clarithromycin/metronidazole and amoxycillin is the recommended first-line treatment for Helicobacter pylori infection. Problems with patient compliance and the development of antibiotic resistance are the two most important factors to consider when choosing the treatment regimen. The optimal retreatment therapy for treatment failure is still unknown, and quadruple therapy is best reserved for these cases.
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PMID:Treatment of Helicobacter pylori infection. 1182 83

The use of specific agents to heal mucosal lesions or to prevent non-steroidal anti-inflammatory drug toxicity, has focused upon two approaches: replacement of prostaglandin deficiency and inhibition of acid secretion. Acid suppression with traditional ulcer healing doses of H2-blockers is effective in healing gastric and duodenal ulcers upon discontinuation of the offending drug. In the event the non-steroidal anti-inflammatory drug must be continued, the use of H2-blockers is associated with a decrease in the healing rate. In long-term prevention studies, H2-blockers significantly reduce duodenal ulcer rates, but are ineffective in reducing gastric ulceration. More potent acid inhibition with a double-dose of H2-blockers (famotidine 80 mg daily, ranitidine 600 mg daily) may reduce the risk of gastric and duodenal ulcers. Marked acid suppression with proton pump inhibitors (omeprazole 20-40 mg, lansoprazole 30 mg daily) also appears to be very effective in healing gastric and duodenal ulcers in patients continuing the offending drug as well. An analysis of pooled data from comparative studies on omeprazole vs ranitidine, misoprostol and sucralfate shows a therapeutic advantage in favour of the proton pump inhibitor, ranging from 10 to 40%. In long-term prevention studies, omeprazole (20 mg daily) and pantoprazole (40 mg daily) have also been shown to reduce the risk of gastric and duodenal ulcers and non-steroidal anti-inflammatory drug-related dyspepsia. Current data from recent comparative studies of omeprazole (20 mg daily) vs ranitidine (150 mg daily) and misoprostol (200 microg daily) showed that, after 6 months' follow-up, the proton pump inhibitor was significantly superior to control drugs in reducing the risk both of gastric and duodenal ulcer. Misoprostol (at doses ranging from 400 microg to 800 microg/day) is an effective form of therapy for preventing non-steroidal anti-inflammatory drug-induced gastroduodenal lesions. However high-dose misoprostol only, seems adequate for the prevention of ulcer complications, mainly in high-risk non-steroidal anti-inflammatory drug users. Thus, available data are undoubtedly in favour of the proton pump inhibitors as well tolerated and effective drugs in the prophylaxis and treatment of non-steroidal anti-inflammatory drug-related mucosal lesions in the gastrointestinal tract.
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PMID:Prophylaxis and treatment of non-steroidal anti-inflammatory drug-induced upper gastrointestinal side-effects. 1182 62

Significant progress and new insights have been gained in the 4 years since the first Maastricht Consensus Report, necessitating an update of the original guidelines. To achieve this, the European Helicobacter Pylori Study Group organized a meeting of specialists and experts from around the world, representatives from National Gastroenterology Societies and general practitioners from Europe to establish updated guidelines on the current management of Helicobacter pylori infection. The meeting took place on 21-22 September 2000. A "test and treat" approach is recommended in adult patients under the age of 45 years (the age cut-off may vary locally) presenting in primary care with persistent dyspepsia, having excluded those with predominantly gastro-oesophageal reflux disease symptoms, non-steroidal anti-inflammatory drug users and those with alarm symptoms. Diagnosis of infection should be by urea breath test or stool antigen test. As in the previous guidelines, the eradication of H. pylori is strongly recommended in all patients with peptic ulcer, including those with complications, in those with low-grade gastric mucosa-associated lymphoid tissue lymphoma, in those with atrophic gastritis and following gastric cancer resection. It is also strongly recommended in patients who are first-degree relatives of gastric cancer patients and according to patients' wishes after full consultation. It is advised that H. pylori eradication is considered to be an appropriate option in infected patients with functional dyspepsia, as it leads to long-term symptom improvement in a subset of patients. There was consensus that the eradication of H. pylori is not associated with the development of gastro-oesophageal reflux disease in most cases, and does not exacerbate existing gastro-oesophageal reflux disease. It was agreed that the eradication of H. pylori prior to the use of non-steroidal anti-inflammatory drugs reduces the incidence of peptic ulcer, but does not enhance the healing of gastric or duodenal ulcer in patients receiving antisecretory therapy who continue to take non-steroidal anti-inflammatory drugs. Treatment should be thought of as a package which considers first- and second-line eradication therapies together. First-line therapy should be with triple therapy using a proton pump inhibitor or ranitidine bismuth citrate, combined with clarithromycin and amoxicillin or metronidazole. Second-line therapy should use quadruple therapy with a proton pump inhibitor, bismuth, metronidazole and tetracycline. Where bismuth is not available, second-line therapy should be with proton pump inhibitor-based triple therapy. If second-line quadruple therapy fails in primary care, patients should be referred to a specialist. Subsequent failures should be handled on a case-by-case basis by the specialist. In patients with uncomplicated duodenal ulcer, eradication therapy does not need to be followed by further antisecretory treatment. Successful eradication should always be confirmed by urea breath test or an endoscopy-based test if endoscopy is clinically indicated. Stool antigen test is the alternative if urea breath test is not available.
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PMID:Current concepts in the management of Helicobacter pylori infection--the Maastricht 2-2000 Consensus Report. 1186 Mar 99

Functional (nonulcer) dyspepsia refers to upper abdominal pain or discomfort with or without symptoms of early satiety, nausea, or vomiting with no definable organic cause. The current Rome II criteria help to diagnose functional dyspepsia and avoid misdiagnosis of gastroesophageal reflux disease and irritable bowel syndrome as functional dyspepsia. Assessment of gastric emptying with scintigraphy or breath testing may be useful in identifying delayed gastric emptying in patients with dyspeptic symptoms and may be helpful in patient management. Electrogastrography is a noninvasive test that evaluates for gastric dysrhythmias. Satiety testing is being evaluated as an indirect test for impaired fundic relaxation and visceral hypersensitivity. The symptom response to Helicobacter pylori therapy in patients with functional dyspepsia and a negative endoscopy examination but a positive H. pylori test is marginal. Lifestyle modifications often are suggested for initial treatment of functional dyspepsia. Dietary changes such as frequent small meals, low-fat diet, and avoidance of certain aggravating foods may improve symptoms. Additional measures include cessation of smoking, avoiding excess alcohol intake, and minimizing coffee intake. Antacids and over-the-counter histamine type 2 receptor antagonists may be helpful as an "on-demand" therapy for intermittent symptoms. They are safe and relatively inexpensive. Different subgroups of functional dyspepsia are based on the predominant symptom and may help in choosing an appropriate drug to initiate therapy. If the predominant symptom is epigastric pain (ulcer-like functional dyspepsia), histamine-2 receptor antagonists or proton pump inhibitors are the initial treatment of choice. If fullness, bloating, early satiety or nausea is the predominant complaint (dysmotility-like functional dyspepsia), a prokinetic agent may help. Metoclopramide is the only available effective prokinetic agent at present. If metoclopramide is used, short-term treatment and discussion of possible side effects with the patient are advised. If there is no response to these initial treatments, switching therapy from proton pump inhibitor to prokinetic or vice versa can be tried. If these treatment options fail, patient re-evaluation for other disorders (including other functional bowel disorders) is advised. A low-dose tricyclic antidepressant at bedtime may be helpful for treatment of visceral hypersensitivity.
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PMID:Functional (Nonulcer) Dyspepsia. 1187 96

Lansoprazole is a proton pump inhibitor that reduces gastric acid secretion in a dose-dependent manner via inhibition of H+/K+-adenosine triphosphatase in gastric parietal cells. It also exhibits antibacterial activity against Helicobacter pylori in vitro. During almost 10 years of clinical use, lansoprazole has proved effective and well tolerated in a wide range of acid-related disorders, including gastro-oesophageal reflux disease (GORD), duodenal ulcers, gastric ulcers, non-steroidal anti-inflammatory drug-related ulcers, as well as non-ulcer dyspepsia and acid hypersecretion. It is also used, in combination with antibiotics, for H. pylori eradication. In the above indications, lansoprazole has generally proved to be superior to the histamine H2-receptor antagonists, and is at least as effective as the other currently available proton pump inhibitors. This review aims to evaluate the pharmacology, efficacy, safety and cost-effectiveness of lansoprazole in acid-related disorders, with particular emphasis on its use in GORD and H. pylori eradication regimens.
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PMID:An overview of the pharmacology, efficacy, safety and cost-effectiveness of lansoprazole. 1192

The prevalence of Helicobacter pylori infection increases with age world-wide, reaching levels of 40-60% in asymptomatic elderly subjects and over 70% in elderly patients with gastroduodenal diseases. However, the percentage of H. pylori-positive elderly patients who are treated for their infection remains very low. Data are now available that demonstrate the benefit of curing H. pylori infection in elderly patients with H. pylori-associated peptic ulcer disease and severe chronic gastritis. Furthermore, the cure of H. pylori may prevent the progression of intestinal metaplasia and gastric atrophy. New studies are needed to clarify the role of eradication in elderly patients with non-ulcer dyspepsia and gastro-oesophageal reflux disease and in those who use non-steroidal anti-inflammatory drugs. H. pylori infection may be easily diagnosed by histological evaluation, rapid urease test or culture performed on gastric biopsies taken during endoscopy. However, the biopsy site must be carefully selected in elderly patients. For non-invasive monitoring of H. pylori infection after treatment, the 13C-urea breath test has significantly higher accuracy than serology in the elderly; further studies are needed to clarify the role of the H. pylori stool antigen test in old age. One-week proton pump inhibitor-based triple therapy regimens, including clarithromycin, amoxicillin and/or nitroimidazoles, are highly effective and well tolerated in elderly patients. Low doses of both proton pump inhibitors and clarithromycin (in combination with standard doses of amoxicillin or nitroimidazoles) are sufficient. Low compliance and antibiotic resistance are the main factors related to treatment failure in old age.
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PMID:Review article: an approach to Helicobacter pylori infection in the elderly. 1192 85

Dyspepsia is a common condition in the general population but data are lacking on the benefits of effective acid inhibition with proton pump inhibitors in functional dyspepsia. The results of the large, randomised, double blind clinical trials, BOND and OPERA, the Scandinavian PILOT study, and a follow up study, ENCORE, are reviewed. BOND, OPERA, and PILOT aimed to address the question of whether effective acid inhibition with the proton pump inhibitor omeprazole relieves symptoms in patients with functional dyspepsia. ENCORE followed on from this, addressing the consequences of relieving symptoms in patients with functional dyspepsia once they are off therapy.
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PMID:The potential role of acid suppression in functional dyspepsia: the BOND, OPERA, PILOT, and ENCORE studies. 1195 46


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