ArticleItalian journal of pediatrics2024
Prevalence of extended-spectrum beta-lactamase and molecular detection of blaTEM, blaSHV, and blaCTX-M genotypes among gram-negative Bacilli isolates from hospital acquired infections in pediatrics, one institutional study.
Article in Italian journal of pediatrics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.
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11 citing papers in PubMed, 1 synthesis or guideline pooled it, 10 citations in OpenAlex.
- Prevalence and molecular characterization of ESBL-producing Enterobacteriaceae in Egypt: a systematic review and meta-analysis of hospital and community-acquired infections.Antimicrobial resistance and infection control · 2024Pooled it
- Molecular basis of ampicillin resistance: combinatorial mechanisms and future strategies.World journal of microbiology & biotechnology · 2026Review
- Identification, resistance mechanisms, and innovative therapeutic approaches againstFrontiers in microbiology · 2026Review
- Genomic Diversity and Extended-SpectrumInternational journal of microbiology · 2026Article
- Molecular characterization of extended-spectrum beta-lactamase-producing bacteria isolated from pregnant women's urine at Itojo Hospital, South Western Uganda.Access microbiology · 2026Article
- Pediatrics advances in 2024: choices in allergy, cardiology, critical care, endocrinology, gastroenterology, immunology, infectious diseases, neonatology, nephrology, neurology, nutrition, palliative care respiratory tract illnesses, and social media.Italian journal of pediatrics · 2025Review
- Study of MicroRNA-192 as an Early Biomarker for Diagnosis of Diabetic Nephropathy.Diagnostics (Basel, Switzerland) · 2025Article
- Genetic study of extended spectrum beta-lactamase genes; bla-TEM, blaOXA-10, blaSHV and per-1 in pseudomonas aeruginosa from hospital-acquired infections.Antonie van Leeuwenhoek · 2025Article
- High prevalence of ESBL-producing E. coli phylogroup B2 clinical isolates in northeastern Thailand.BMC microbiology · 2024Article
- Genotypic Characterisation and Antimicrobial Resistance of Extended-Spectrum β-Lactamase-ProducingAntibiotics (Basel, Switzerland) · 2024Article
- Phenotypic and Genotypic Profiles of Extended-Spectrum Beta-Lactamase-Producing Multidrug-ResistantAntibiotics (Basel, Switzerland) · 2024Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundGram-negative bacilli represents an important pathogen in hospital-acquired infections (HAIs) worldwide. The emergence of antibiotic resistance in these pathogens warrants attention for the proper management of infections. Extended-spectrum beta-lactamase (ESBL) resistance represents a major therapeutic problem in infections due to Gram-negative bacilli. The present study aimed to study the extended-spectrum beta-lactamase genes blaTEM, blaSHV, and blaCTX-M by multiplex polymerase reaction in isolated Gram-negative bacilli from HAIs in pediatric patients.
methodsThe study included one hundred-five isolates of Gram-negative bacilli from pediatric patients with different types of HAIs. The isolates were subjected to full microbiological identification, antibiotics susceptibility by disc diffusion method, the phenotypic study of ESBL, and the genetic study of ESBL genes by multiplex PCR.
resultsFifty isolates of Gram-Negative bacilli showed ESBL activity by a phenotypic study by double disc diffusion method (50/105). All ESBL producers' isolates were positive by PCR for ESBL genes. The most frequent gene was blaTEM (64%), followed by blaSHV (30%) and CTX-M (22%). Mixed genes were found in 4 isolates (8%) for blaTEM and blaSHV, blaTEM and CTX-M. There was a significant association between PCR for ESBL genes and phenotypic ESBL detection (P = 0.001). There was significant detection of ESBL genes in E. coli (28%), followed by Enterobacter spp. (26%), Klebsiella spp. (24%), Serratia (14%), Pseudomonas spp. (6%) and Proteus (2%), P = 0.01. There Seventy percent of isolates positive for ESBL production had an insignificant association between MDR and PCR for ESBL genes (P = 0.23).
conclusionThe present study highlights the prevalence of ESBL activity among clinical isolates of Gram-negative bacilli isolated from hospital-acquired infections in pediatric patients. The most common gene responsible for this activity was blaTEM gee followed by blaSHV and blaCTX-M. There was a high prevalence of multiple antibiotic resistance among isolates with ESBL activity. The finding of the present study denotes the importance of screening extended beta-lactamase among Gram-negative bacilli associated with HAIs in pediatric patients.
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