Seroprevalence of Helicobacter pylori in Nahavand: a population-based study

Alizadeh, Amir Houshang Mohammad; Ansari, Shahin; Ranjbar, Mahdy; Shalmani, H. M.; Habibi, Irbi Eki; Firouzi, M Saberi; Zali, Mohammad Reza

doi:10.26719/2009.15.1.129

Cited by 26 publications

(23 citation statements)

References 18 publications

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“…Although poor sanitation, such as the lack of sanitary services at home, is believed to be an important risk factor for H. pylori infection (Dube et al, 2009). Anomalies were found by other investigators also, showing that hygienic practice has no significant effect on the seroprevalence of H. pylori (Alizadeh et al, 2009). Poor association between seroprevalenec and socio-economic status in the present study is consistent with many other studies (Dube et al, 2009;Dorji et al, 2013).…”

Section: Discussionsupporting

confidence: 83%

“…This increase in prevalence with age is attributed to annual increase in the rate of infection (Goodman et al, 1996) and birth cohort effect (Banatvala et al,1993 Alvarado-Esquivel, 2013;Dirji et al, 2013). On the other hand, Alizadeh et al (2009) reported that the prevalence of H. pylori was higher in females than males, while Valliani et al (2013) found out that the prevalence was higher in males than females. In this study the prevalence of H. pylori was slightly higher in females than males.…”

Section: Discussionmentioning

confidence: 89%

“…Studies conducted in Bhutan (Dorji et al, 20013) and China (Zhang et al, 2013) documented identical prevalence with no statistically significance different among age groupd. However, Alizadeh et al (2009) found out that the prevalence of H. pylori increased with age. In this study there was an increase in the prevalence of H. pylori with age and statistically significant association was found between age and prevalence of H. pylori.…”

Section: Discussionmentioning

confidence: 96%

See 2 more Smart Citations

Prevalence and Risk Factors of H. pylori from Dyspeptic Patients in Northwest Ethiopia: A Hospital Based Cross-sectional Study

Abebaw¹,

Kibret²,

Abera³

2014

Asian Pacific Journal of Cancer Prevention

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Section: Discussionsupporting

confidence: 83%

Section: Discussionmentioning

confidence: 89%

Section: Discussionmentioning

confidence: 96%

See 1 more Smart Citation

Prevalence and Risk Factors of H. pylori from Dyspeptic Patients in Northwest Ethiopia: A Hospital Based Cross-sectional Study

Abebaw¹,

Kibret²,

Abera³

2014

Asian Pacific Journal of Cancer Prevention

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“…Iran with a high incidence of GC ranks fourth in Asia, after China, Japan and Korea respectively (Fujisawa et al, 1999;Wang and Wang, 2003;Derakhshan et al, 2004;Yim et al, 2007;Alizadeh et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

Helicobacter pylori vacA d1 Genotype Predicts Risk of Gastric Adenocarcinoma and Peptic Ulcers in Northwestern Iran

Basiri¹,

Safaralizadeh²,

Bonyadi³

et al. 2014

Asian Pacific Journal of Cancer Prevention

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Background: There is a close relationship between Helicobacter pylori (H pylori)-specific factors and different gastroduodenal diseases. The present study aimed to investigate the prevalence of vacA d1, d2 genotypes in the H pylori isolates from patients with gastric adenocarcinoma, peptic ulcer disease (PUD) and gastritis in East Azerbaijan region, where the incidence of gastric cancer (GC) is high. Strains isolated from this area are likely to be of European ancestry. Materials and Methods: In this study, genotyping of the vacA d region of 115 isolates obtained from patients with different gastrodoudenal diseases was accomplished by PCR methods. In addition to PCR amplification of H pylori 16S rDNA, rapid urease tests or histological examination were used to confirm the presence of H pylori in biopsy specimens. Data were collected and analyzed using SPSS version 19. Results: Of the total of 83 H pylori isolates, 36 (43.4%) contained the d1 allele and 47 (56.6%) were subtype d2. The results of the multiple linear/logistic regression analysis showed high correlation between allele d1 and gastric adenocarcinoma or PUD. Conclusions: This study suggests that the H pylori vacA d1 genotype helps predict risk for gastric adenocarcinoma and PUD in East Azerbaijan, Iran.

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“…In Turkey, seroepidemiological studies showed that 46-78% of children are infected with H. pylori (1)(2)(3)(4)(5)(6)(7). Therefore, use of non-invasive and invasive diagnostic methods of symptomatic children is important (8,9).…”

Section: Introductionmentioning

confidence: 99%

The diagnostic value of endoscopic narrow band imaging in helicobacter pylori gastritis in children

Özgür

Özkan²,

Erdemir³

et al. 2015

Turk J Gastroenterol

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Background/Aims: In this study we aimed to investigate the sensitivity and specificity of Narrow Band Imaging (NBI) in H. pylori gastritis and compare them with those of rapid urease test and urea breath test. Materials and Methods: A hundred sixty-five children who admitted to Uludag University Pediatric Gastroenterology Unit between October 2009-March 2011 with upper gastrointestinal symptoms were consecutively enrolled. During the endoscopy procedure gastric corporeal, antral and fundal images were obtained, afterwards the same areas were visualized with narrow band imaging and images were recorded again. Results: The study included 68 (41.2%) boys and 97(58.8%) girls. The mean age of the patients were 11.88±4.55. Tissue culture positivity and/or histopathological staining for H. pylori was determined in 56 (33.9%) patients (Group 1) and the other patients (n:109, 43.6%) didn't have an evidence of H. pylori infection (Group 2). Narrow band images have supported H. pylori infection in 56.4%. The sensitivity of narrow band images for determining H. pylori infection was 92.86% (95% CI 82.7-98), specificity was 62.39% (95% CI 52.6-71.5). Conclusion: Our study is the first to show the role of NBI in diagnosing H. pylori infection in children, as well as determining the sensitivity and specificity of the technique. The specificity is low; however, we suggest that the specific mucosal view of H. pylori gastritis provided by NBI is useful for identifying the areas from which the biopsies should be taken. Moreover, by using this technique, treatment of H. pylori infection may be initiated immediately without performing rapid urease test and without waiting for histopathology report and tissue culture.

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Seroprevalence of Helicobacter pylori in Nahavand: a population-based study

Cited by 26 publications

References 18 publications

Prevalence and Risk Factors of H. pylori from Dyspeptic Patients in Northwest Ethiopia: A Hospital Based Cross-sectional Study

Prevalence and Risk Factors of H. pylori from Dyspeptic Patients in Northwest Ethiopia: A Hospital Based Cross-sectional Study

Helicobacter pylori vacA d1 Genotype Predicts Risk of Gastric Adenocarcinoma and Peptic Ulcers in Northwestern Iran

The diagnostic value of endoscopic narrow band imaging in helicobacter pylori gastritis in children

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