Publications by authors named "Rustam Abdulkhakov"

Introduction: To evaluate the prescription patterns, effectiveness, and safety of adding probiotics to Helicobacter pylori eradication therapy, in Europe.

Methods: International, prospective, noninterventional registry of the clinical practice of the European gastroenterologists. Data were collected and quality reviewed until March 2021 at AEG-REDCap.

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  • A study examined how different reasons for testing for Helicobacter pylori (H. pylori) affect treatment prescriptions and their success rates across Europe from 2013 to 2023.
  • Out of 53,636 cases, the most common reasons for testing included dyspepsia with normal endoscopy and various types of ulcers, with treatment effectiveness ranging from 87% to 91% based on the indication.
  • Patients with ulcers and preneoplastic lesions experienced higher treatment success and compliance, while those tested for dyspepsia had higher rates of adverse effects.
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Unlabelled: eradication therapy leads to significant changes in the gut microbiome, including influence on the gut microbiome's functional potential. Probiotics are one of the most studied potential methods for reducing the microbiota-related consequences of antibiotics. However, the beneficial effects of probiotics are still under discussion.

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  • - The management of Helicobacter pylori infection involves a combination of proton pump inhibitors (PPIs) and antibiotics to effectively eradicate the bacteria, as evaluated by the European Registry on Helicobacter pylori management (Hp-EuReg).
  • - Analysis of data from 36,579 patients across five countries revealed that 14-day treatments with specific antibiotic combinations and high-dose PPIs resulted in optimal effectiveness, while 10- and 14-day therapies with high-dose PPIs were also successful.
  • - The study concludes that for first-line treatment, the use of high-dose PPIs is recommended, especially in certain combinations and durations, while shorter 7-day therapies showed suboptimal results.
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Crohn's disease (CD) is a chronic relapsing inflammatory bowel disease of unknown etiology. Genetic predisposition and dysbiotic gut microbiota are important factors in the pathogenesis of CD. In this study, we analyzed the taxonomic composition of the gut microbiota and genotypes of 24 single nucleotide polymorphisms (SNP) associated with the risk of CD.

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  • * Researchers sequenced genomes from 63 gut strains of CD patients and healthy individuals, revealing similar genetic traits related to virulence and antibiotic resistance.
  • * Findings indicate competitive bacteria interactions in the gut that could potentially harm the host, highlighting the complex dynamics of gut microbiota in CD.
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Background: Managing Helicobacter pylori infection requires constant decision making, and each decision is open to possible errors.

Aim: The aim was to evaluate common mistakes in the eradication of H. pylori, based on the "European Registry on Helicobacter pylori management".

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  • This study explores the gut microbiota and IBD biomarkers in patients from Kazan, Russia, addressing the growing interest in IBD in newly industrialized countries.* -
  • Researchers found significant changes in the gut microbiota of IBD patients, including increased levels of certain bacteria and decreased levels of beneficial species, indicating a dysbiotic state.* -
  • The findings suggest that these changes, particularly the imbalance of short-chain fatty acids (SCFAs), may impact important metabolic processes like hydrogen metabolism, which is crucial for understanding the disease.*
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  • * A study showed that HP eradication therapy significantly reduced gut microbiota diversity and altered the abundance of various microbial species.
  • * Changes in antibiotic resistance genes (ARGs) were observed post-therapy, with some strains exhibiting higher resistance to specific antibiotics like macrolides and tetracyclines compared to others.
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Background: Alcohol abuse has deleterious effects on human health by disrupting the functions of many organs and systems. Gut microbiota has been implicated in the pathogenesis of alcohol-related liver diseases, with its composition manifesting expressed dysbiosis in patients suffering from alcoholic dependence. Due to its inherent plasticity, gut microbiota is an important target for prevention and treatment of these diseases.

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  • The report presents shotgun sequencing data related to a study on gut microbiome changes during and after antibiotic eradication therapy for infections.
  • It includes whole-genome sequencing of DNA from stool samples taken before, during, and after treatment to analyze the gut microbiota's taxonomic and functional profiles.
  • The data highlights significant alterations in intestinal microbiota composition due to antibiotic use and is part of a larger metagenomic analysis, with associated sequencing available under project ID PRJEB21338 in the ENA database.
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Alcoholism is associated with significant changes in gut microbiota composition. Metagenomic sequencing allows to assess the altered abundance levels of bacterial taxa and genes in a culture-independent way. We collected 99 stool samples from the patients with alcoholic dependence syndrome (=72) and alcoholic liver cirrhosis (=27).

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Crohn's disease (CD) is a chronic inflammatory bowel disease that can be diagnosed at any age. There are two major patient groups based on diagnosis of this disease, before or after the age of 20 (juvenile/adolescent or adult), with disease progression in adults usually milder than in juvenile CD patients. Immune mechanisms have been suggested to play an important role in CD pathogenesis, with cytokines governing the development of the immune response.

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The microbial community of the human gut has a crucial role in sustaining host homeostasis. High-throughput DNA sequencing has delineated the structural and functional configurations of gut metagenomes in world populations. The microbiota of the Russian population is of particular interest to researchers, because Russia encompasses a uniquely wide range of environmental conditions and ethnogeographical cohorts.

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