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Background <p>Severe community-acquired pneumonia (SCAP) remains a leading cause of morbidity and mortality worldwide. Identifying the optimal antibiotic regimen for treating SCAP is crucial for improving patient outcomes.</p> Methods <p>We searched the PubMed, Embase, and Cochrane Central Register of Controlled Clinical Trials databases to identify studies reporting initial empirical antibiotic regimens in patients with SCAP. We performed a network meta-analysis to compare the relative efficacy of different antibiotic regimens in treating SCAP. The primary outcome was overall mortality. The second outcomes were 30-day mortality and in-hospital mortality.</p> Results <p>This network meta-analysis included 1 randomized clinical trial and 13 observational studies with 8142 patients, categorized into five treatment groups: β-lactam antibiotics, β-lactam antibiotics plus doxycycline, β-lactam antibiotics plus fluoroquinolones, β-lactam antibiotics plus macrolides, and fluoroquinolones monotherapy. β-lactam antibiotics plus macrolides was ranked as the most effective treatment (surface under the cumulative ranking curve, 92.0%; mean rank, 1.3). The β-lactam antibiotics plus macrolides combination significantly reduced overall mortality compared to β-lactam antibiotics alone (RR, 0.79; 95% CI, 0.64–0.96) and β-lactam antibiotics plus fluoroquinolones (RR, 0.67; 95% CI, 0.64–0.82).</p> Conclusion <p>Our findings suggest that β-lactam antibiotics plus macrolides may be the optimal treatment for SCAP. β-lactam antibiotics monotherapy and β-lactam antibiotics plus fluoroquinolones should not be recommended due to their inferior outcomes.</p>

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Comparison of initial empirical antibiotic regimens in severe community-acquired pneumonia: a network meta-analysis

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年5月20日

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  • Min Wang,
  • Jing Zhang,
  • Xiaoming Wang,
  • Qian Wang,
  • Lian Wang,
  • Han Zhuang,
  • Ao Liu

摘要

Background

Severe community-acquired pneumonia (SCAP) remains a leading cause of morbidity and mortality worldwide. Identifying the optimal antibiotic regimen for treating SCAP is crucial for improving patient outcomes.

Methods

We searched the PubMed, Embase, and Cochrane Central Register of Controlled Clinical Trials databases to identify studies reporting initial empirical antibiotic regimens in patients with SCAP. We performed a network meta-analysis to compare the relative efficacy of different antibiotic regimens in treating SCAP. The primary outcome was overall mortality. The second outcomes were 30-day mortality and in-hospital mortality.

Results

This network meta-analysis included 1 randomized clinical trial and 13 observational studies with 8142 patients, categorized into five treatment groups: β-lactam antibiotics, β-lactam antibiotics plus doxycycline, β-lactam antibiotics plus fluoroquinolones, β-lactam antibiotics plus macrolides, and fluoroquinolones monotherapy. β-lactam antibiotics plus macrolides was ranked as the most effective treatment (surface under the cumulative ranking curve, 92.0%; mean rank, 1.3). The β-lactam antibiotics plus macrolides combination significantly reduced overall mortality compared to β-lactam antibiotics alone (RR, 0.79; 95% CI, 0.64–0.96) and β-lactam antibiotics plus fluoroquinolones (RR, 0.67; 95% CI, 0.64–0.82).

Conclusion

Our findings suggest that β-lactam antibiotics plus macrolides may be the optimal treatment for SCAP. β-lactam antibiotics monotherapy and β-lactam antibiotics plus fluoroquinolones should not be recommended due to their inferior outcomes.