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https://doi.org/10.52322/jocmbmh.08.en.08
Introduction: Skin and soft tissue infections can be vary in classifications from minor superficial infections to life-threatening infections such as necrotizing fasciitis.
Objectives: We present a 59-year-old man with a past history of using prolonged corticosteroid, was admitted to our Emergency Unit due to Escherichia coli necrotizing fasciitis.
Case presentation: A 59-year-old male with a history of swelling, left leg pain, and unknown fever for a week was admitted to Bach Mai hospital after 5 days of self-treatment at home and 2 days of unknown diagnosis and treatment at the local hospital. On admission, there were multiple ecchymoses, purpura on his skin, and bruises on his left knee. He had edema in his lower extremities, generalized erythema, one large bullae and crepitus on his left leg 1-day admission. Left lower extremities’ pulses were difficulty palpable. Bilateral fine crackles were found on lung auscultation. Laboratory findings showed elevation of WBC, CRP, PCT, Urea, Creatinine, and AST/ALT. His cortisol level were low, 135 and 61.2 nmol/L (at 8am and 8pm, respectively), and low ACTH (2.39 pg/mL). ABG (O2 2L/min via nasal cannula) found metabolic acidosis, and compensated respiratory alkalosis (pH 7.45, pCO2 27, pO2 70, HCO3- 18.5, BE -4). He was initially treated with antibiotics including meropenem, vancomycin and cotrimoxazole. The blood culture return with confirmation of Escherichia coli. Despite of being continued with above treatment, he started to have persistent and high fever, his left leg progressed worse with larger redness, warmth, edema, induration, and purulent blisters on 4-day admission. The patient requested to leave for the local hospital, and confirmed death several days later.
Conclusion: According to our experience, it is suggested that continuous evaluation is very crucial to early recognition of necrotizing infections, which needs aggressive medical and surgical therapy.