SynthesisJournal of diabetes2026
Local Versus Systemic Antibiotics for Diabetic Foot Infection-A Systematic Review and Meta-Analysis.
Synthesis in Journal of diabetes, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors.
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Abstract
Diabetic foot infection (DFI) includes soft tissue infection and osteomyelitis below the ankle and is a leading cause of lower limb amputation and mortality in diabetic patients. Treatment involves prolonged antibiotic therapy with surgical debridement or amputation. Local antimicrobial therapy offers an adjunct or alternative to systemic therapy. This systematic review and meta-analysis assessed the efficacy of systemic antibiotic therapy compared with local and combination (local and systemic) therapy in DFI. A meta-analysis was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines. A systematic search for studies was performed in eight sources (PROSPERO: CRD42024518421). The primary outcome was clinical cure rates, with secondary outcomes including clinical improvement, time to clinical cure, recurrence, amputation rates, and pathogen eradication. Twenty-one studies with 2188 participants met the inclusion criteria, including 12 randomized controlled trials and 9 observational studies. Combination antibiotics were associated with increased clinical cure rates compared with systemic antibiotics alone (OR 2.08; 95% CI 1.30-3.35; p < 0.05) and faster healing times (Mean -9.8 days; 95% CI -15.1 to -4.4; p < 0.05); however, results failed to reach significance when looking at randomized studies alone. Results for local antibiotics alone were non-significant for all outcomes. This meta-analysis suggests that definitive conclusions about the use of local antibiotics in DFI are limited by bias and heterogeneity within included studies. Combined local and systemic antibiotic treatment may allow for direct tissue infiltration of antimicrobial therapy. However, high-quality, blinded randomized controlled trials are required before routine clinical adoption.
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