Antibiotic therapy in necrotizing soft tissue infections: a narrative review of the greater Paris SURFAST consortium
Abstract
Necrotizing soft tissue infections (NSTIs) are uncommon, yet rapidly progressive and potentially fatal conditions. However, evidence-based guidance on antibiotic therapy remains limited. Current recommendations emphasize the need for broad-spectrum empirical coverage, including gram-positive, gram-negative, anaerobes, and Streptococcus pyogenes when clinically indicated. We aimed at developing a practical, evidence-based framework for empirical antibiotic therapy in NSTIs. This narrative review is informed by a comprehensive literature search of PubMed, without date restrictions. We propose a structured decision-making algorithm for empirical antibiotic selection in NSTIs, integrating key clinical parameters: infection site, healthcare-associated versus community-acquired origin, risk factors for extended-spectrum β-lactamase-producing Enterobacterales and methicillin-resistant Staphylococcus aureus, and signs of sepsis or septic shock. Alternative regimens are provided for patients with severe β-lactam allergies. Special considerations for immunocompromised and other vulnerable host populations are also addressed. This review offers clinicians a pragmatic, stepwise approach to antibiotic therapy in NSTIs, while identifying critical knowledge gaps and priorities for future research.
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