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Rapidly progressive necrotizing fasciitis caused by Staphylococcus aureus.
Yu-Tsung Lee1, Trong-Duo Chou, Ming-Yieh Peng
1Division of Infectious Diseases and Tropical Medicine, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
Summary
Necrotizing fasciitis (NF) caused by Staphylococcus aureus is rare but life-threatening. Prompt surgical intervention and intensive care are vital for survival in extensive cases.
Area of Science:
- Infectious Diseases
- Dermatology
- Critical Care Medicine
Background:
- Necrotizing fasciitis (NF) is a severe, rapidly progressing infection of the deep fascia.
- Staphylococcus aureus is an uncommon sole causative agent for NF.
- Understanding S. aureus pathogenicity is crucial for managing severe infections.
Observation:
- A 56-year-old male presented with fever, hypotension, multi-organ dysfunction, and rapidly progressive NF affecting all four extremities.
- Clinical signs included weakness, myalgia, and rapidly spreading red-purplish skin discoloration.
- Methicillin-susceptible Staphylococcus aureus (MSSA) was identified as the exclusive pathogen from blood and tissue cultures.
Findings:
- Despite appropriate antibiotic therapy, the patient's NF progressed extensively across all extremities.
- Diagnosis was confirmed via fasciotomy and debridement, revealing deep fascial infection.
- MSSA was the sole identified pathogen in blood and tissue samples.
Implications:
- Early diagnosis and aggressive surgical debridement are critical for managing extensive NF.
- Intensive medical care, including antibiotics and supportive measures, is essential for patient recovery.
- This case highlights the severe potential of MSSA in causing life-threatening necrotizing fasciitis.