International journal of microbiology · 2026
From Widespread Use to Loss of Effectiveness: The Consequences of Inappropriate Azithromycin Prescriptions During the COVID-19 Pandemic-A Systematic Review and Meta-Analysis.
СтатьяОбзорНазвание и аннотация: Перевод в очереди
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do Nascimento Beatriz Birelli, Silva Bianca Gianola Belline, de Souza Leandro Aparecido, Andrade Jessica Cristina Bilizario Nogueirol, de Sá Del Fiol Fernando
Аннотация
OBJECTIVES: We are aimed at evaluating whether the widespread use of azithromycin during the COVID-19 pandemic led to a significant increase in bacterial resistance compared with the prepandemic period and estimating the magnitude of this effect through a systematic review and meta-analysis.
METHODS: This systematic review followed the PRISMA 2020 guidelines and Cochrane Handbook (Page,2021). Observational studies published between 2015 and 2025 reporting azithromycin resistance before and after the COVID-19 pandemic were identified. Odds ratios (ORs) were pooled using a random-effects model. Methodological quality was assessed using the Newcastle-Ottawa scale.
RESULTS: Eight studies met the eligibility criteria and were included in the quantitative synthesis. The meta-analysis demonstrated a significant increase in azithromycin resistance in the postpandemic period, with a pooled OR of 2.71 (95% CI: 2.04-3.59). Substantial heterogeneity was observed (I 2 = 73.5%), justifying the use of a random-effects model.
CONCLUSIONS: The findings provide robust evidence that the excessive and largely empirical use of azithromycin during the COVID-19 pandemic contributed to a global rise in bacterial resistance. Strengthening antimicrobial stewardship policies is essential to preserve the clinical effectiveness of macrolides during future public health emergencies.
METHODS: This systematic review followed the PRISMA 2020 guidelines and Cochrane Handbook (Page,2021). Observational studies published between 2015 and 2025 reporting azithromycin resistance before and after the COVID-19 pandemic were identified. Odds ratios (ORs) were pooled using a random-effects model. Methodological quality was assessed using the Newcastle-Ottawa scale.
RESULTS: Eight studies met the eligibility criteria and were included in the quantitative synthesis. The meta-analysis demonstrated a significant increase in azithromycin resistance in the postpandemic period, with a pooled OR of 2.71 (95% CI: 2.04-3.59). Substantial heterogeneity was observed (I 2 = 73.5%), justifying the use of a random-effects model.
CONCLUSIONS: The findings provide robust evidence that the excessive and largely empirical use of azithromycin during the COVID-19 pandemic contributed to a global rise in bacterial resistance. Strengthening antimicrobial stewardship policies is essential to preserve the clinical effectiveness of macrolides during future public health emergencies.