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Updated: Jun 2, 2026
A Controlled Mouse Model for Neonatal Polymicrobial Sepsis
Published on: January 27, 2019
Effect of case management on neonatal mortality due to sepsis and pneumonia
Anita K M Zaidi1, Hammad A Ganatra, Sana Syed
1Department of Paediatrics and Child Health, the Aga Khan University, Karachi, Pakistan. anita.zaidi@aku.edu
Insights
Oral antibiotics effectively reduce neonatal pneumonia deaths, while injectable antibiotics show greater potential for reducing mortality from pneumonia and sepsis in community or facility settings. These life-saving treatments remain inaccessible in many low-income countries.
Area of Science:
- Neonatal Health
- Infectious Disease Management
- Global Health Equity
Background:
- Nearly one million neonates die annually from infections, predominantly in low-income nations.
- Effective case management strategies are crucial for saving lives, but their comparative mortality impacts are not well-established.
- This study estimates the mortality effects of various antibiotic administration strategies for neonatal infections.
Purpose of the Study:
- To quantify the mortality reduction associated with oral and injectable antibiotics for neonatal pneumonia and sepsis.
- To assess the impact of different care settings (home, first-level facilities, hospitals) on neonatal mortality.
- To inform the Lives Saved Tool (LiST) with evidence on neonatal infection management.
Main Methods:
- Systematic literature searches across multiple databases for relevant mortality studies.
- Meta-analyses of identified studies, with quality assessment using adapted GRADE criteria.
- Delphi process to estimate effectiveness for interventions with limited high-quality evidence.
Main Results:
- Meta-analysis showed oral antibiotics reduced all-cause neonatal mortality (RR 0.75) and pneumonia-specific mortality (RR 0.58).
- Community-based packages with injectable antibiotics showed significant mortality reductions (44% and 34%), though co-interventions complicated interpretation.
- Delphi consensus indicated higher effectiveness for injectable antibiotics (30-75% reduction) and hospital care (80-90% reduction) for sepsis and pneumonia.
Conclusions:
- Oral antibiotics are effective for neonatal pneumonia, with greater impact expected from injectable antibiotics in community or facility settings.
- Hospital-based care demonstrated the highest potential for mortality reduction in neonatal infections.
- Despite proven benefits and low cost, access to these essential antibiotic interventions is limited in many low-income countries.
Background:
Each year almost one million newborns die from infections, mostly in low-income countries. Timely case management would save many lives but the relative mortality effect of varying strategies is unknown. We have estimated the effect of providing oral, or injectable antibiotics at home or in first-level facilities, and of in-patient hospital care on neonatal mortality from pneumonia and sepsis for use in the Lives Saved Tool (LiST).
Methods:
We conducted systematic searches of multiple databases to identify relevant studies with mortality data. Standardized abstraction tables were used and study quality assessed by adapted GRADE criteria. Meta-analyses were undertaken where appropriate. For interventions with biological plausibility but low quality evidence, a Delphi process was undertaken to estimate effectiveness.
Results:
Searches of 2876 titles identified 7 studies. Among these, 4 evaluated oral antibiotics for neonatal pneumonia in non-randomised, concurrently controlled designs. Meta-analysis suggested reductions in all-cause neonatal mortality (RR 0.75 95% CI 0.64- 0.89; 4 studies) and neonatal pneumonia-specific mortality (RR 0.58 95% CI 0.41- 0.82; 3 studies). Two studies (1 RCT, 1 observational study), evaluated community-based neonatal care packages including injectable antibiotics and reported mortality reductions of 44% (RR = 0.56, 95% CI 0.41-0.77) and 34% (RR = 0.66, 95% CI 0.47-0.93), but the interpretation of these results is complicated by co-interventions. A third, clinic-based, study reported a case-fatality ratio of 3.3% among neonates treated with injectable antibiotics as outpatients. No studies were identified evaluating injectable antibiotics alone for neonatal pneumonia. Delphi consensus (median from 20 respondents) effects on sepsis-specific mortality were 30% reduction for oral antibiotics, 65% for injectable antibiotics and 75% for injectable antibiotics on pneumonia-specific mortality. No trials were identified assessing effect of hospital management for neonatal infections and Delphi consensus suggested 80%, and 90% reductions for sepsis and pneumonia-specific mortality respectively.
Conclusion:
Oral antibiotics administered in the community are effective for neonatal pneumonia mortality reduction based on a meta-analysis, but expert opinion suggests much higher impact from injectable antibiotics in the community or primary care level and even higher for facility-based care. Despite feasibility and low cost, these interventions are not widely available in many low income countries.
Funding:
This work was supported by the Bill & Melinda Gates Foundation through a grant to the US Fund for UNICEF, and to Saving Newborn Lives Save the Children, through Save the Children US.
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