ArticleBMC microbiology2024
Antimicrobial resistance profile of bacteria from hospital wastewater at two specialized hospitals in Bahir Dar city, Ethiopia.
Article in BMC microbiology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.
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13 citing papers in PubMed, 1 synthesis or guideline pooled it.
- A Systematic Review of Gastrointestinal and Respiratory Pathogen Detection in Wastewater in Africa, with Focus on Rwanda: Implications for Early Warning and Public Health Surveillance.Pathogens (Basel, Switzerland) · 2026Pooled it
- Occurrence of antimicrobial-resistant, extended-spectrum beta-lactamase and carbapenemase-producing bacterial isolates from intensive care unit environment in two hospitals of Ethiopia.BMC microbiology · 2026Article
- Antimicrobial Resistance Across the Urban Wastewater Continuum: A One Health Assessment Using High-Throughput qPCR.Antibiotics (Basel, Switzerland) · 2026Article
- Determinants of antimicrobial resistance practices in Ethiopia: A One Health mixed-methods study.One health (Amsterdam, Netherlands) · 2026Article
- Metagenomic profiling of microbial communities and the resistome within Egyptian hospital wastewater and tap water.Scientific reports · 2026Article
- Metagenomic profiling of antimicrobial resistance in wastewater from metropolitan cities of India.Nature communications · 2026Article
- Occurrence and antimicrobial resistance profiles of bacteria from dairy farm environments in Addis Ababa, Ethiopia.BMC microbiology · 2026Article
- Antimicrobial Resistance Profiles of Enterobacteriaceae in Surface Water From Streams and the Southern Gulf of Lake Tana, Ethiopia.Environmental health insights · 2026Article
- Glyphosate resistance as a potential driver for the dissemination of multidrug-resistant clinical strains.Frontiers in microbiology · 2026Article
- Bacteriological Profile and Antibiotic Resistance Patterns of Wastewater Effluents in 2 Hospitals of Ethiopia.Environmental health insights · 2026Article
- Culture-Based Wastewater Surveillance for the Detection and Monitoring of Antimicrobial Resistance in Staphylococcal Species.Veterinary sciences · 2025Article
- The Role of Water as a Reservoir for Antibiotic-Resistant Bacteria.Antibiotics (Basel, Switzerland) · 2025Review
- Comprehensive genomic analysis reveals virulence and antibiotic resistance genes in a multidrug-resistant Bacillus cereus isolated from hospital wastewater in Bangladesh.Scientific reports · 2025Article
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Authors and funding
6 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundThe high levels of antimicrobial consumption in hospitals contribute to the occurrence of antimicrobial resistant bacteria. Antimicrobial resistant bacteria and sub-lethal concentrations of antimicrobial metabolites can end up in hospital wastewater which can spread to the environment and to the community. However, information on the resistance profile of bacteria isolated from environments is not well studied. Thus, the main aim of this study was to determine the antibiotic resistance profile of bacteria from hospital wastewater in Bahir Dar City, Northwest Ethiopia.
methodA total of 70 hospital wastewater samples were collected from two comprehensive specialized hospitals using a grab-sampling technique. Bacteria were identified using colony morphology, Gram staining, and biochemical tests. The drug susceptibility test was performed using the Kirby-Bauer disc diffusion method on Muller-Hinton agar.
resultThe most dominant bacterial isolates from hospital wastewater were Staphylococcus aureus (S. aureus), Escherichia coli (E. coli), Citrobacter spp., Acinetobacter spp., Enterobacter spp., Klebsiella pneumoniae (K. pneumoniae), and Pseudomonas aeruginosa (P. aeruginosa). All K. pneumoniae and 52.4% (11/21) E. coli were resistant to ceftazidime (third-generation cephalosporin), while Citrobacter spp., Acinetobacter spp., and Enterobacter spp., were susceptible to ceftazidime. Likewise, S. aureus revealed 64% (16/25) resistance to erythromycin. Overall, 22.2% of bacterial isolates were multidrug resistant bacteria to the commonly prescribed antimicrobials.
conclusionHospital waste waters contain high prevalence of multiple drug-resistant bacteria, particularly the third-generation cephalosporin resistant K. pneumoniae and E. coli would be a big concern. Infection prevention and control practices with proper treatment of hospital wastewater before discharging should be in practice to contain the spread of drug-resistant bacteria from hospital to external environment.
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