Stenotrophomonas Maltophilia in Diabetic Foot Ulcers

Episode decoding Stenotrophomonas maltophilia — a water-associated, multi-drug resistant bacterium that thrives in hospital plumbing and chronic diabetic foot ulcers. Learn how it forms biofilm, resists many antibiotics, and presents as a chronic non-healing wound that often requires targeted therapy (trimethoprim-sulfamethoxazole), aggressive debridement, and ecosystem-based care. We cover reservoirs and transmission, diagnostic tips (deep tissue culture, susceptibility testing), prevention strategies (sterile irrigation, avoid unnecessary broad-spectrum antibiotics, moisture control, early culturing) and why this quiet organism is a marker of chronicity and limb-threatening risk.

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