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Intravitreal Injection and Quantitation of Infection Parameters in a Mouse Model of Bacterial Endophthalmitis
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Polymicrobial infection confined to Ahmed glaucoma shunt
Jessica C Lee1, Bret M Evers1,2, Dominick Cavuoti2
1Department of Ophthalmology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, USA.
American Journal of Ophthalmology Case Reports
|March 21, 2020
Summary
A rare Ahmed glaucoma shunt complication involving tube exposure, internal inflammation, and endophthalmitis requires prompt medical and surgical intervention to preserve vision.
Area of Science:
- Ophthalmology
- Glaucoma Surgery
- Medical Device Complications
Background:
- Glaucoma drainage devices are used to manage intraocular pressure.
- Ahmed glaucoma shunt is a common implant for refractory glaucoma.
- Complications can arise, necessitating careful monitoring and management.
Observation:
- A unique case of Ahmed glaucoma shunt complication is presented.
- A 58-year-old woman with Marfan syndrome developed shunt exposure, intraluminal inflammation, and endophthalmitis five years post-implantation.
- Pathologic analysis revealed a mixed bacterial infiltrate within the shunt.
Findings:
- Concurrent tube exposure, intraluminal exudates, and endophthalmitis represent a rare but serious complication.
- Prompt diagnosis and treatment are crucial for visual outcomes.
- Bacterial infection was identified as the cause of the intraluminal material.
Implications:
- Early recognition and intervention are vital for preventing vision loss.
- Treatment may involve antibiotics, shunt revision, replacement, or removal.
- This case highlights the importance of vigilance in managing glaucoma drainage devices.
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