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Surgical Swine Model of Chronic Cardiac Ischemia Treated by Off-Pump Coronary Artery Bypass Graft Surgery
Published on: March 27, 2018
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Visual loss after coronary artery bypass surgery.
1Department of Ophthalmology, King Hussein Medical Center, Royal Medical Services, Amman, Jordan.
Neurosciences (Riyadh, Saudi Arabia)
|November 27, 2013
Summary
Sudden vision loss after heart surgery can indicate non-arteritic anterior ischemic optic neuropathy. This condition results from optic nerve head blood vessel blockage, with factors like crowded optic discs potentially contributing.
Area of Science:
- Ophthalmology
- Neurology
- Cardiovascular Surgery
Background:
- Anterior ischemic optic neuropathy (AION) involves microvascular occlusion of the optic nerve head.
- Key subtypes include arteritic, non-arteritic, and autoimmune AION.
- Post-coronary artery bypass graft (CABG) AION is rarely documented.
Purpose of the Study:
- To report a case of non-arteritic anterior ischemic optic neuropathy (NAION) following coronary artery bypass graft (CABG) surgery.
- To identify potential predisposing factors in a patient with diabetes and hypertension.
Main Methods:
- Case report of a 63-year-old male patient.
- Clinical diagnosis of NAION following CABG.
- Evaluation of patient's medical history and predisposing factors.
Main Results:
- The patient experienced sudden visual loss postoperatively.
- Diagnosis confirmed as non-arteritic anterior ischemic optic neuropathy (NAION).
- Identified predisposing factors included a crowded optic disc and internal carotid artery stenosis.
Conclusions:
- Non-arteritic anterior ischemic optic neuropathy (NAION) can occur after coronary artery bypass graft (CABG) surgery.
- Crowded optic discs and carotid artery stenosis may increase risk in susceptible individuals.
- Highlights the importance of considering NAION in postoperative visual disturbances.
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