PapersFlow Research Brief
Antibiotic Use and Resistance
Research Guide
What is Antibiotic Use and Resistance?
Antibiotic use and resistance refers to the global public health challenge where widespread use of antibiotics in treating bacterial infections leads to the emergence and spread of resistant bacteria, complicating effective therapy.
The field encompasses 72,665 papers on antimicrobial resistance, antibiotic stewardship, and their impacts on public health. "Global burden of bacterial antimicrobial resistance in 2019: a systematic analysis" by Murray et al. (2022) quantified the worldwide scale of resistance-related deaths and disability-adjusted life years. Standardized testing methods, as in "Methods for dilution antimicrobial susceptibility tests for bacteria that grow aerobically" by Ferraro (2000), support consistent resistance detection across labs.
Topic Hierarchy
Research Sub-Topics
Antimicrobial Stewardship Programs
This sub-topic evaluates hospital-based interventions like prospective audit, de-escalation protocols, and formulary restrictions. Researchers measure impacts on resistance rates and clinical outcomes via cluster trials.
Multidrug-Resistant Gram-Negative Bacteria
This sub-topic addresses carbapenem-resistant Enterobacteriaceae (CRE), Acinetobacter, and Pseudomonas resistance mechanisms. Researchers develop rapid diagnostics and novel beta-lactamase inhibitors.
Antibiotic Resistance in Staphylococcus aureus
This sub-topic examines MRSA evolution, vancomycin intermediates, and community-acquired strains. Researchers track genomic epidemiology and therapeutic alternatives like daptomycin.
Global Burden of Antimicrobial Resistance
This sub-topic quantifies attributable deaths, disability-adjusted life years, and economic costs using modeling frameworks. Researchers forecast trends under intervention scenarios for policy prioritization.
Molecular Mechanisms of Antibiotic Resistance
This sub-topic elucidates efflux pumps, target modification, and horizontal gene transfer pathways. Researchers apply CRISPR editing and structural biology to validate resistance determinants.
Why It Matters
Antibiotic resistance directly causes 48,700 annual deaths in the United States from resistant infections or Clostridioides difficile, as documented in "Antibiotic resistance threats in the United States, 2019" by Centers for Disease Control and Prevention (U.S.) (2019). Murray et al. (2022) in "Global burden of bacterial antimicrobial resistance in 2019: a systematic analysis" estimated the 2019 global burden, highlighting resistance's role in elevating mortality from common bacterial infections like pneumonia and bloodstream infections. Standardized definitions from Magiorakos et al. (2011) in "Multidrug-resistant, extensively drug-resistant and pandrug-resistant bacteria: an international expert proposal for interim standard definitions for acquired resistance" enable uniform surveillance and guide interventions in hospitals worldwide, reducing variability in reporting multidrug-resistant cases.
Reading Guide
Where to Start
"Global burden of bacterial antimicrobial resistance in 2019: a systematic analysis" by Murray et al. (2022) first, as it offers a comprehensive quantitative overview of resistance's worldwide impact, providing essential context before technical methods papers.
Key Papers Explained
Murray et al. (2022) in "Global burden of bacterial antimicrobial resistance in 2019: a systematic analysis" establishes the scale, which Magiorakos et al. (2011) in "Multidrug-resistant, extensively drug-resistant and pandrug-resistant bacteria: an international expert proposal for interim standard definitions for acquired resistance" supports with uniform definitions for surveillance. Ferraro (2000) in "Methods for dilution antimicrobial susceptibility tests for bacteria that grow aerobically" and Ferraro (2001) in "Performance standards for antimicrobial susceptibility testing" provide lab standards building on those definitions. Ventola (2015) in "The antibiotic resistance crisis: part 1: causes and threats" analyzes causes, while Tacconelli et al. (2017) in "Discovery, research, and development of new antibiotics: the WHO priority list of antibiotic-resistant bacteria and tuberculosis" prioritizes R&D responses.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Murray et al. (2022) emphasizes systematic global analyses, but with no recent preprints or news, frontiers remain in applying WHO priorities from Tacconelli et al. (2017) amid ongoing threats detailed in CDC's 2019 US report.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | Methods for dilution antimicrobial susceptibility tests for ba... | 2000 | — | 16.9K | ✕ |
| 2 | Global burden of bacterial antimicrobial resistance in 2019: a... | 2022 | The Lancet | 13.9K | ✓ |
| 3 | Multidrug-resistant, extensively drug-resistant and pandrug-re... | 2011 | Clinical Microbiology ... | 13.2K | ✕ |
| 4 | Performance standards for antimicrobial susceptibility testing | 2001 | — | 9.8K | ✕ |
| 5 | Antibiotic resistance threats in the United States, 2019 | 2019 | — | 5.8K | ✓ |
| 6 | Discovery, research, and development of new antibiotics: the W... | 2017 | The Lancet Infectious ... | 5.8K | ✕ |
| 7 | Origins and Evolution of Antibiotic Resistance | 2010 | Microbiology and Molec... | 5.6K | ✕ |
| 8 | The antibiotic resistance crisis: part 1: causes and threats. | 2015 | PubMed | 4.7K | ✓ |
| 9 | Guidelines for the Prevention of Intravascular Catheter-relate... | 2011 | Clinical Infectious Di... | 4.6K | ✓ |
| 10 | Performance standards for antimicrobial susceptibility testing | 2019 | Clinical and Laborator... | 4.4K | ✕ |
Frequently Asked Questions
What is the global burden of bacterial antimicrobial resistance?
"Global burden of bacterial antimicrobial resistance in 2019: a systematic analysis" by Murray et al. (2022) provides a systematic estimate of resistance-related deaths and disability-adjusted life years worldwide. The analysis was funded by the Bill & Melinda Gates Foundation, Wellcome Trust, and UK aid via the Fleming Fund. It underscores resistance as a leading cause of mortality from bacterial infections.
How are multidrug-resistant bacteria defined?
Magiorakos et al. (2011) in "Multidrug-resistant, extensively drug-resistant and pandrug-resistant bacteria: an international expert proposal for interim standard definitions for acquired resistance" proposed international definitions for acquired resistance. Multidrug-resistant means non-susceptibility to at least one agent in three or more antimicrobial categories. These standards aid global surveillance and comparison.
What methods test bacterial susceptibility to antibiotics?
"Methods for dilution antimicrobial susceptibility tests for bacteria that grow aerobically" by Ferraro (2000) outlines standardized dilution techniques for aerobic bacteria. "Performance standards for antimicrobial susceptibility testing" by Ferraro (2001) and Weinstein (2019) set breakpoints for interpreting results. These enable reproducible lab assessments of resistance.
What drives the antibiotic resistance crisis?
Ventola (2015) in "The antibiotic resistance crisis: part 1: causes and threats" attributes the crisis to antibiotic overuse and insufficient new drug development. Davies and Davies (2010) in "Origins and Evolution of Antibiotic Resistance" describe microbes' genetic adaptability enabling rapid resistance evolution post-antibiotic introduction. Hospital, community, and environmental spread exacerbate the issue.
Which bacteria need priority for new antibiotic development?
Tacconelli et al. (2017) in "Discovery, research, and development of new antibiotics: the WHO priority list of antibiotic-resistant bacteria and tuberculosis" established a WHO list prioritizing pathogens. It targets critical threats like carbapenem-resistant Enterobacteriaceae and multidrug-resistant tuberculosis. The list guides research and development efforts.
How many deaths occur annually from antibiotic resistance in the US?
"Antibiotic resistance threats in the United States, 2019" by Centers for Disease Control and Prevention (U.S.) (2019) reports 48,700 families lose loved ones yearly to resistance or Clostridioides difficile. The report honors healthcare providers combating these threats. It details national resistance patterns and interventions.
Open Research Questions
- ? How can global antimicrobial stewardship programs be scaled to reduce resistance emergence in low-resource settings?
- ? What evolutionary mechanisms allow bacteria to acquire resistance simultaneously across multiple antibiotic classes?
- ? Which interventions most effectively lower catheter-related bloodstream infections linked to resistant pathogens?
- ? How do environmental factors contribute to the spread of priority antibiotic-resistant bacteria listed by WHO?
- ? What metrics best predict the public health impact of emerging pandrug-resistant bacterial strains?
Recent Trends
The field holds steady at 72,665 papers with no specified 5-year growth rate.
Murray et al. in The Lancet delivered a landmark 2019 systematic analysis with 13,901 citations, building on earlier standards like Ferraro (2000) at 16,886 citations.
2022No recent preprints or news indicate sustained focus on stewardship and burden estimation without new surges.
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