Primary antibiotic resistance in certain strains is on the rise globally, complicating treatment outcomes, and while tailored therapies based on susceptibility testing have been suggested, their efficacy is still debated.*
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A systematic review of 51 studies found that tailored therapies had better success rates (89.9%) compared to empiric therapies (77.6%), especially before first- and second-line treatments, but showed diminished effectiveness before third-line therapies.*
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Despite the initial promise of culture-based therapy, a significant number (20%) of patients did not benefi from susceptibility testing, indicating a need for further research to validate the role of bacterial culture in treatment failures.*