phenotypic and genetic characterization of antimicrobial profiles of helicobacter pylori strains in cuba.the study evaluated the antibiotic resistance patterns of helicobacter pylori strains against metronidazole and clarithromycin in a hospital in havana, cuba. eighty-five percent, 22.5%, and 10% of 40 h. pylori strains investigated were resistant to metronidazole, ciprofloxacin, and clarithromycin respectively but all were susceptible to amoxicillin and tetracycline. rdxa truncation was found only in metronidazole-resistant strains. in such strains, reported are eight and two novel mutations in t ...201020411674
endoscopic findings and associated risk factors in primary health care settings in havana, cuba.introduction upper gastrointestinal endoscopy, traditionally performed in cuba in specialized hospitals, was decentralized to the primary health care level in 2004 to make it more patient-accessible. objectives describe frequency and distribution of the principal symptomatic diseases of the upper gastrointestinal tract and their relation to the main risk factors associated with each in a sample of urban adults who underwent upper gastrointestinal endoscopy in primary care facilities in havana in ...201222334110
chromoendoscopy with red phenol in the diagnosis of helicobacter pylori analytic study to validate a diagnostic test was carried out at the institute of gastroenterology in havana, cuba in adult patients of both sexes in whom chromoendoscopy was carried out with red phenol at 0.1% over the gastric mucosa for the detection of helicobacter pylori infection between november 2008 and december 2010. the staining with red phenol at 0.1% is included in the invasive tests for the diagnosis of helicobacter pylori infection and of the reactive techniques. the sensibility o ...201222300110
low prevalence of helicobacter pylori among symptomatic children from a hospital in havana, cuba.the aims of this study were to assess the prevalence of helicobacter pylori infection and to introduce a new algorithm to improve its diagnosis in cuban symptomatic children. one hundred and thirty-three consecutive children with upper gastrointestinal symptoms were studied. patients were endoscoped and antral biopsies were obtained for rapid urease test (rut), culture and histology. prevalence of h. pylori infection was 30.8%. no statistical differences were found concerning demographic, socio- ...201121752863
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