Dulciene M. M. Queiroz

Helicobacter pylori Colonization Among Children up to 6 Years: Results of a Community-based Study from Northeastern Brazil (2007)

Braga, Andréa B. C., Fialho, André M. N., Rodrigues, Maria N., Queiroz, Dulciene M. M., Rocha, Andreia M. C.

Aim: To determine the prevalence and risk factors associated with Helicobacter pylori infection among children up to 6 years. Methods: Cross-sectional study carried out in a poor urban community in...

Úlcera péptica gastroduodenal e infecção pelo Helicobacter pylori na criança e adolescente (2006)

Bittencourt,Paulo F. S., Rocha,Gifone A., Penna,Francisco J., Queiroz,Dulciene M. M.

OBJETIVO: Apresentar aspectos relevantes relativos à úlcera péptica gastroduodenal e à infecção pelo Helicobacter pylori na criança e adolescente. FONTES DOS DADOS : Livros técnicos e bases...

Prevalence of Helicobacter pylori infection in Fortaleza, Northeastern Brazil (2005)

Rodrigues,Maria N, Queiroz,Dulciene M M, Rodrigues,Rodrigo T, Rocha,Andreia M C, Luz,Carlos R L

The prevalence of Helicobacter pylori infection was assessed in a randomly selected sample of individuals from low-income community in Fortaleza, Northeastern Brazil. Overall, 384 out of 610...

Helicobacter pylori infection in adults from a poor urban community in northeastern Brazil: demographic, lifestyle and environmental factors (2005)

Rodrigues,Maria N., Queiroz,Dulciene M. M., Rodrigues,Rodrigo T., Rocha,Andreia M.C., Braga Neto,Manuel B.

We investigated the prevalence and the risk factors for infection with Helicobacter pylori in a randomly-selected population of adults from a low-income community in Northeastern Brazil. Helicobacter...

Immunoblotting for the serodiagnosis of Helicobacter pylori  infection in Brazilian patients with and without gastric carcinoma (2004)

Rocha,Andreia MC, Rocha,Gifone A, Leite,Janise L, Lisboa,Renato LL, Silva,Patrícia VO, Queiroz,Dulciene M M

We evaluated the performance of a commercial immunoblotting in the serodiagnosis of Helicobacter pylori infection in Brazilian patients. The presence of anti-H. pylori antibodies was also...

Immunoblotting for the Serodiagnosis of Helicobacter pylori Infection in Brazilian Patients with and without Gastric Carcinoma (2004)

Rocha, Andreia MC, Rocha, Gifone A, Leite, Janise L, Lisboa, Renato LL, Silva, Patrícia VO, Queiroz, Dulciene M M

We evaluated the performance of a commercial immunoblotting in the serodiagnosis of Helicobacter pylori infection in Brazilian patients. The presence of anti-H. pylori antibodies was also...

Immunoblotting for the Serodiagnosis of Helicobacter pylori Infection in Brazilian Patients with and without Gastric Carcinoma (2004)

Rocha, Andreia MC, Rocha, Gifone A, Leite, Janise L, Lisboa, Renato LL, Silva, Patrícia VO, Queiroz, Dulciene M M

We evaluated the performance of a commercial immunoblotting in the serodiagnosis of Helicobacter pylori infection in Brazilian patients. The presence of anti-H. pylori antibodies was also...

Immunoblotting for the Serodiagnosis of Helicobacter pylori Infection in Brazilian Patients with and without Gastric Carcinoma (2004)

Rocha, Andreia M. C., Rocha, Gifone A., Leite, Janise L., Lisboa, Renato L. L., Silva, Patrícia V. O., Queiroz, Dulciene M. M.

We evaluated the performance of a commercial immunoblotting in the serodiagnosis of Helicobacter pylori infection in Brazilian patients. The presence of anti-H. pylori antibodies was also...

CagA status of Helicobacter pylori infection and p53 gene mutations in gastric adenocarcinoma (2003)

Magalhães, Paula P., Queiroz, Dulciene M.M., Camargo, Anamaria A., Simpson, Andrew J.G.

Carcaças de frango prontas para consumo como fonte de infecção entérica pelo Campylobacter jejuni, no Brasil (1990)

Dias,Tânia C., Queiroz,Dulciene M. M., Mendes,Edilberto N., Peres,José N.

C. jejuni foi pesquisado em carcaças de frango prontas para consumo e em fezes de magarefes de 9 abatedouros não industriais e 1 industrial, tendo sido isolado em 19 (38,0%) dentre 50 carcaças e...

Immunoblot Analysis of Humoral Immune Response to Helicobacter pylori in Children with and without Duodenal Ulcer

Rocha, Gifone A., Oliveira, Andreia M. R., Queiroz, Dulciene M. M., Carvalho, Anfrisina S. T.

Several studies have demonstrated that enzyme-linked immunosorbent assay is not a sensitive and specific method to diagnose Helicobacter pylori infection in children, especially in the younger ones....

Accurate Prediction of Macrolide Resistance in Helicobacter pylori by a PCR Line Probe Assay for Detection of Mutations in the 23S rRNA Gene: Multicenter Validation Study

Van Doorn, Leen-Jan, Glupczynski, Youri, Kusters, Johannes G., Mégraud, Francis, Midolo, Peter, Maggi-Solcà, Nadia, ...

Helicobacter pylori strains from 299 patients were tested in six laboratories in different countries. Macrolide susceptibility of the strains was determined by agar dilution (17.4%) or the...

Helicobacter pylori cagA Status and s and m Alleles of vacA in Isolates from Individuals with a Variety of H. pylori-Associated Gastric Diseases

Evans, Dolores G., Queiroz, Dulciene M. M., Mendes, Edilberto N., Evans, Doyle J.

The cagA gene was detected in 100% of 16 Helicobacter pylori isolates from patients with gastric carcinoma versus 78% of 18 isolates from patients with duodenal ulcers (P = 0.344) and only 64% of 22...

Immunoblot Analysis of Humoral Immune Response to Helicobacter pylori in Children with and without Duodenal Ulcer

Rocha, Gifone A., Oliveira, Andreia M. R., Queiroz, Dulciene M. M., Carvalho, Anfrisina S. T.

Several studies have demonstrated that enzyme-linked immunosorbent assay is not a sensitive and specific method to diagnose Helicobacter pylori infection in children, especially in the younger ones....

Accurate Prediction of Macrolide Resistance in Helicobacter pylori by a PCR Line Probe Assay for Detection of Mutations in the 23S rRNA Gene: Multicenter Validation Study

Van Doorn, Leen-Jan, Glupczynski, Youri, Kusters, Johannes G., Mégraud, Francis, Midolo, Peter, Maggi-Solcà, Nadia, ...

Helicobacter pylori strains from 299 patients were tested in six laboratories in different countries. Macrolide susceptibility of the strains was determined by agar dilution (17.4%) or the...

Helicobacter pylori cagA Status and s and m Alleles of vacA in Isolates from Individuals with a Variety of H. pylori-Associated Gastric Diseases

Evans, Dolores G., Queiroz, Dulciene M. M., Mendes, Edilberto N., Evans, Doyle J.

The cagA gene was detected in 100% of 16 Helicobacter pylori isolates from patients with gastric carcinoma versus 78% of 18 isolates from patients with duodenal ulcers (P = 0.344) and only 64% of 22...