Abstract:
Introduction:Helicobacter pylori was discovered first in the stomachs of patients with gastritis and ulcers by Marshall and Warren in 1982. This discovery majorly affected many research areas of gastroenterology. Since then, the main aim has been to eradicate this microaerophilic bacterium from the stomachs of infected subjects. Methods:We studied symptomatic cases by endoscopic surgery and examined the prevalence of cagA-vacA genotypes among the H. pylori isolates. H. pylori isolated from antral biopsies of patients with gastritis and duodenal ulcer were subjected to antimicrobial susceptibility testing and PCR genotyping by using routine bacterial cultures. Clarithromycin-susceptibility profiling was done by the E-test. DNA was extracted using standard manufacturer protocols with minor modifications and cagA and vacA genotyping was done PCR. Results:In our study, all strains identified as H. pylori in culture (61/81) were confirmed by PCR by amplifying a fragment of the glmM gene. Totally, 61 patients were confirmed to be positive for H. pylori and they were included in the genotyping and antibiotic-susceptibility testing. Thirteen H. pylori strains were determined to be resistant to clarithromycin. Discussion:Current accumulating data indicate that both clarithromycin-resistant and susceptible isolates of H. pylori need to be screened and tracked in populations.
journal_name
Infect Drug Resistjournal_title
Infection and drug resistanceauthors
Khani S,Talebi Bezmin Abadi A,Mohabati Mobarez Adoi
10.2147/IDR.S223602subject
Has Abstractpub_date
2019-11-01 00:00:00pages
3415-3420issn
1178-6973pii
223602journal_volume
12pub_type
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journal_title:Infection and drug resistance
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journal_title:Infection and drug resistance
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journal_title:Infection and drug resistance
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doi:10.2147/IDR.S237793
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journal_title:Infection and drug resistance
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journal_title:Infection and drug resistance
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abstract:BACKGROUND AND AIMS:Resistance mutation analogs to nucleos(t)ides have been described in treatment-naïve patients with chronic hepatitis B (CHB), with clinical implications. The aim of this study was to investigate primary resistance mutations and genotypes circulating in patients naïve to chronic hepatitis B, in the N...
journal_title:Infection and drug resistance
pub_type: 杂志文章
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abstract:Background:Ethiopia is one of the 22 high tuberculosis burden countries. In our country. there are limited published data to show the trend analysis of tuberculosis. Hence, we designed this trend analysis to fill the information gap in our study area. Institutional based retrospective cross-sectional study was employed...
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abstract::Primary infection with human herpesvirus-6 (HHV-6) commonly occurs at an early age in children, most often at 3 years of age, and is associated with childhood diseases, such as exanthema subitum, hepatitis, febrile convulsions, or encephalitis. However, the virus occasionally reactivates from its latent state in immun...
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