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Published on: August 12, 2020
Antimicrobial resistance among neonatal pathogens in developing countries
Durrane Thaver1, Syed Asad Ali, Anita K M Zaidi
1Department of Pediatrics and Child Health, Aga Khan University, Karachi, Pakistan.
Insights
Antimicrobial resistance in young infants is a growing concern, with high rates of resistance to common antibiotics like ampicillin and cotrimoxazole. Limited community-based data hinders effective treatment strategies for serious infections in neonates.
Area of Science:
- Medical Microbiology
- Infectious Diseases
- Global Health
Background:
- Antimicrobial resistance (AMR) in pathogens causing serious infections in young infants is critical for public health strategies.
- Hospital data indicate high resistance rates to ampicillin and gentamicin, WHO-recommended first-line treatments.
Purpose of the Study:
- To review and synthesize available literature on antimicrobial resistance patterns in young infants (0-90 days) in developing countries.
- To identify key pathogens and their resistance profiles to inform community-based management.
Main Methods:
- Systematic literature search for studies published since 1990.
- Focus on developing countries and community-acquired infections (sepsis, pneumonia, meningitis) in neonates.
Main Results:
- Limited data: only 10 relevant studies found.
- High resistance observed: Escherichia coli (72% ampicillin, 78% cotrimoxazole), Klebsiella species (nearly 100% ampicillin, 66% 3rd-gen cephalosporins, 60% gentamicin).
- Methicillin-resistant Staphylococcus aureus (MRSA) was rare, but 46% resistant to cotrimoxazole.
Conclusions:
- Community-based AMR data for infant infections are scarce.
- Significant resistance to cotrimoxazole, gentamicin, and third-generation cephalosporins is concerning.
- Urgent need for more research to guide effective treatment strategies in developing nations.
Introduction:
Knowledge of antimicrobial resistance and trends in resistance patterns among major pathogens causing infections in young infants (up to 90 days of life) is an important component of developing community-based management strategies. Hospital-based data suggest alarming rates of resistance to ampicillin and gentamicin, the first-line antimicrobial agents recommended by WHO for treatment of serious infections in young infants.
Methods:
We searched the literature published since 1990 for studies from developing countries reporting resistance among serious community-acquired infections (including sepsis, pneumonia, and meningitis) in young infants.
Results:
Only 10 relevant reports were retrieved. Among the 3 major pathogens studied (Escherichia coli, Staphyloccoccus aureus, and Klebsiella species), a high proportion of E. coli were ampicillin (72%) and cotrimoxazole (78%) resistant; 19% were resistant to third generation cephalosporins. Among Klebsiella species, almost all were resistant to ampicillin, 45% to cotrimoxazole, and 66% to third generation cephalosporins. Resistance to gentamicin was low among E. coli (13%), but much higher among Klebsiella species (60%). Methicillin resistance S. aureus (MRSA) was rare (1 of 33 isolates) but 46% were resistant to cotrimoxazole.
Conclusions:
Antimicrobial resistance data for infections in young infants from community-based studies were extremely limited. Significant resistance, in particular to cotrimoxazole among all pathogens, and to gentamicin and third generation cephalosporins among Klebsiella and emerging resistance in E. coli is cause for concern. Limited data pose a challenge in devising simple community-based management strategies. Further studies from different developing country regions are needed to determine prevalence of resistant strains, as well as assess regional and time trends.
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