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Bilateral posterior ischemic optic neuropathy after lumbar spine surgery
1Department of Ophthalmology, APC 7, Rhode Island Hospital, Brown Medical School, 593 Eddy Street, Providence, RI 02903, USA.
Ophthalmology
|July 18, 2003
Summary
A young patient developed bilateral posterior ischemic optic neuropathy (PION) after lumbar spine surgery, initially misdiagnosed as functional visual loss. This case highlights the importance of considering PION in postoperative visual disturbances.
Area of Science:
- Ophthalmology
- Neurology
- Neurosurgery
Background:
- Lumbar spine surgery can rarely lead to serious postoperative complications.
- Posterior ischemic optic neuropathy (PION) is a condition affecting the optic nerve, often associated with vascular risk factors.
Observation:
- A 33-year-old woman experienced sudden visual loss post-lumbar spine fusion.
- Initial symptoms were attributed to functional visual loss, with normal fundus examination and neuroimaging.
- Bilateral PION was confirmed two months later with optic disc pallor.
Findings:
- The patient, a young healthy female without vascular risk factors, developed bilateral PION.
- Electroretinography (ERG) results were normal, despite the optic neuropathy.
- The condition was diagnosed after a significant delay due to initial misdiagnosis.
Implications:
- Young, healthy individuals may be susceptible to PION after lumbar spine surgery.
- Postoperative visual loss warrants thorough investigation, even with initially normal findings.
- Increased awareness and prompt diagnosis of PION are crucial for appropriate management and preventing further vision loss.