Central Retinal Artery Occlusion: An Uncommon Consequence of Acute Invasive Fungal Sinusitis Linked to Trichoderma
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By
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Li Farong
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Li Xiaodong
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Qin Xuewei
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Liu Xin
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November 25, 2025
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Clinical Scorecard: Central Retinal Artery Occlusion: An Uncommon Consequence of Acute Invasive Fungal Sinusitis Linked to Trichoderma
At a Glance
| Category | Detail |
|---|
| Condition | Central Retinal Artery Occlusion secondary to Acute Invasive Fungal Rhinosinusitis |
| Key Mechanisms | Intravascular mucosal inflammation, thrombus formation, and granulomatous tissue proliferation |
| Target Population | Immunocompromised patients, particularly those with poorly controlled diabetes mellitus |
| Care Setting | Hospital, including outpatient neurosurgery and intensive care unit |
Key Highlights
- AIFRS is primarily caused by Aspergillus and Trichoderma.
- Rapid systemic progression of AIFRS can lead to severe complications like CRAO.
- Diagnosis requires multidisciplinary collaboration and multiple diagnostic modalities.
Guideline-Based Recommendations
Diagnosis
- Radiographic confirmation of sinus involvement.
- Endoscopic verification of sinusitis via nasal endoscopy.
- Histopathological evidence of fungal hyphae invasion.
Management
- Initiate antifungal treatment, such as caspofungin.
- Surgical intervention including nasal endoscopic sinus surgery and tissue debridement.
Monitoring & Follow-up
- Monitor blood glucose levels in patients with diabetes.
- Regularly assess visual acuity and intraocular pressure in cases of CRAO.
Risks
- High mortality rate of 50% - 80% in cases of AIFRS.
- Potential for sepsis and septic shock following AIFRS.
Patient & Prescribing Data
Immunocompromised individuals, particularly those with diabetes.
Early diagnosis and aggressive management are critical for improving outcomes.
Clinical Best Practices
- Utilize a multidisciplinary approach for diagnosis and treatment.
- Ensure timely intervention for patients presenting with symptoms of AIFRS.
References
