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1.
Braz. j. infect. dis ; 7(5): 339-345, Oct. 2003. tab
Article in English | LILACS | ID: lil-354284

ABSTRACT

Helicobacter pylori plays an important role in the etiology of peptic ulcer disease. Its prevalence appears to be higher in developing countries. We evaluated the seroprevalence of H. pylori and risk factors associated with infection in voluntary blood donors who attended the main blood center of the city of Salvador, Brazil. The subjects responded to an epidemiological questionnaire, with information about sex, age, race, lifestyle, social-economic level indicators, and residence and hygiene conditions. Anti-H. pylori antibody was determined by ELISA (Cobas Core, Roche). Three hundred and seven subjects were included in the study. Anti-H. pylori antibody results were indeterminate in 33 individuals (10.8 percent), who were excluded from analysis. Among the remaining 274 subjects, 187 (68.2 percent) were anti-H. pylori positive. Based on multivariate logistic regression analysis three variables were found to be significantly associated with a higher prevalence of H. pylori infection: absence of plumbing in the residence during childhood, a history of rainwater invading the dwelling during childhood, and low ingestion of milk.


Subject(s)
Humans , Male , Female , Helicobacter Infections , Helicobacter pylori , Antibodies, Bacterial , Blood Donors , Brazil , Cross-Sectional Studies , Enzyme-Linked Immunosorbent Assay , Helicobacter Infections , Logistic Models , Multivariate Analysis , Prevalence , Risk Factors , Seroepidemiologic Studies
3.
GED gastroenterol. endosc. dig ; 15(2): 37-40, mar.-abr. 1996. ilus, tab
Article in Portuguese | LILACS | ID: lil-170098

ABSTRACT

Foram tratados oito pacientes com estenose péptica pilórica e do bulbo duodenal com baläo dilatador sob visäo endoscópica. A úlcera estenosante do bulbo duodenal apresentava-se em atividade em três casos e cicatizada em dois. A úlcera pilórica em um paciente apresentava-se em fase ativa e em dois, cicatrizada. O baläo dilatador foi posicionado na regiäo da estenose com auxílio de fio-guia em dois pacientes; e nos demais, esse posicionamento foi realizado sem fio-guia e sob visäo endoscópica. A dilataçäo foi hidrostática com injeçäo de água no baläo de 15mm de diâmetro em cinco pacientes e pneumática em três, com baläo de 20mm de diâmetro. Näo houve complicaçöes com o procedimento. Seis (75 por cento) pacientes apresentavam-se assintomáticos, sem recidiva de estenose ou da úlcera e com ganho de peso no período de seguimento de três a 34 meses. O método é seguro e eficaz no tratamento das úlcers pépticas estenosantes do piloro e do bulbo duodenal. Com o advento de medicamentos antiulcerosos potentes e a erradicaçäo do Helicobacter pylori, o tratamento dilatador poderá ser importante alternativa à cirurgia


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Catheterization , Endoscopy, Digestive System , Pyloric Stenosis/therapy , Duodenal Obstruction/therapy , Peptic Ulcer/complications , Pyloric Stenosis/etiology , Treatment Outcome
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