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Pathophysiological Considerations in Periorbital Necrotizing Fasciitis: A Case Report
Yalda Hadizamani1,2, Stefano Anastasi3, Anouk Schori1,2
1Lungen-und Atmungsstiftung Bern, Bern, Switzerland.
Background:
Periorbital necrotizing fasciitis (PNF) is a rare complication of bacterial infection, associated with irreversible inflammatory destruction of soft tissues like subcutaneous tissue and superficial fascia. PNF can cause visual loss, septic shock and death within hours to days. Since the infection progresses rapidly from a local disease to septic shock, prompt identification and decisive interventions are mandatory.
Aim:
Considering pathophysiology, differential diagnosis, and treatment options, we report a case of PNF and its outcome.
Methods:
A 69 years old male with febrile periorbital swelling had been diagnosed with bilateral PNF, caused by dual infection with Streptococcus pyogenes (S. pyogenes) and Staphylococcus aureus (S. aureus) based on conjunctival swabs.
Results:
The superantigens produced by S. pyogenes have been identified as key to the rapid dissemination of infection and severity of systemic manifestations.
Conclusion:
A combination of intravenous antibiotics and regular surgical debridements resulted in a beneficial outcome in our patient.
Insights
Periorbital necrotizing fasciitis (PNF), a severe bacterial infection, rapidly destroys tissue and can lead to septic shock. Prompt treatment with antibiotics and surgical debridement is crucial for a positive outcome in PNF cases.
Area of Science:
- Infectious Diseases
- Ophthalmology
- Dermatology
Background:
- Periorbital necrotizing fasciitis (PNF) is a rare but aggressive bacterial infection.
- It involves rapid inflammatory destruction of soft tissues around the eye.
- PNF poses risks of visual loss, septic shock, and mortality.
Observation:
- A 69-year-old male presented with febrile periorbital swelling.
- Bilateral PNF was diagnosed, stemming from a dual infection.
- Conjunctival swabs identified Streptococcus pyogenes and Staphylococcus aureus.
Findings:
- Superantigens from S. pyogenes significantly contribute to rapid infection spread.
- The severity of systemic manifestations is linked to these superantigens.
- The patient's infection was caused by a synergistic bacterial interaction.
Implications:
- Early identification and intervention are critical for managing PNF.
- Intravenous antibiotics are a key component of treatment.
- Regular surgical debridements are essential for favorable outcomes.
