Despite guidelines for detection and treatment of Helicobacter pylori infection, recommendations to test patients before and after therapy are commonly not followed in the United States. At the Houston Consensus Conference, 11 experts on management of adult and pediatric patients with H pylori, from different geographic regions of the United States, met to discuss key factors in diagnosis of H pylori infection, including identification of appropriate patients for testing, effects of antibiotic susceptibility on testing and treatment, appropriate methods for confirmation of infection and eradication, and relevant health system considerations. The experts divided into groups that used a modified Delphi panel approach to assess appropriate patients for testing, testing for antibiotic susceptibility and treatment, and test methods and confirmation of eradication. The quality of evidence and strength of recommendations were evaluated using the GRADE system. The results of the individual workshops were presented for a final consensus vote by all panel members. After the Expert Consensus Development meeting, the conclusions were validated by a separate panel of gastroenterologists, who assessed their level of agreement with each of the 29 statements developed at the Expert Consensus Development. The final recommendations are provided, on the basis of the best available evidence, and provide consensus statements with supporting literature to implement testing for H pylori infection at health care systems across the United States.

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One hundred forty-five children with seizures that were refractory to medical therapy for at least 2 years were followed 5 to 20 years after onset. The majority of children with uncontrollable seizures (61%) were mentally retarded, and most of these (73%) had onset of seizures at younger than 2 years of age. Age of onset was significantly later (mean 5.0 +/- 0.5 yr [SEM]) in the group of children with borderline to normal intelligence. Follow-up data showed remission of seizures in a significant proportion of children with borderline or normal intelligence, with a linear decrease of the percentage with persistent seizures at a rate of about 4% per year. Remission of seizures was much less frequent (1.5%/yr) in the group with mental retardation. Seizure type had some effects on outcome. Children with focal atrophic brain lesions did no worse than those without definable pathology on brain-imaging studies.

Platelet count <88,000 is associated with the presence of esophagogastric varices. A large prospective study is needed to verify and validate these findings and may allow identification of a group of patients who would most benefit from endoscopic screening for varices.

Among all the findings, only rectal varices and colopathy were of higher prevalence in the pre-liver transplant population than that reported for the general population. No significant associations were found between these gastrointestinal tract lesions and patient characteristics.