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Related Experiment Videos

Visual loss after coronary artery bypass surgery.

R I Sha'aban1, W M Asfour

  • 1Department of Ophthalmology, King Hussein Medical Center, Royal Medical Services, Amman, Jordan.

Saudi Medical Journal
|September 5, 2001
PubMed
Summary

Sudden vision loss after heart surgery can indicate non-arteritic anterior ischemic optic neuropathy. This condition, often linked to diabetes and hypertension, may be exacerbated by specific anatomical factors.

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Visual loss after coronary artery bypass surgery.

Neurosciences (Riyadh, Saudi Arabia)ยท2013
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Area of Science:

  • Ophthalmology
  • Neurology
  • Cardiovascular Surgery

Background:

  • Anterior ischemic optic neuropathy (AION) results from optic nerve head microvascular occlusion.
  • Key subtypes include arteritic, non-arteritic, and autoimmune AION.
  • Post-coronary artery bypass graft (CABG) AION is rarely documented.

Observation:

  • A 63-year-old male patient with diabetes and hypertension developed sudden right eye vision loss post-CABG.
  • Clinical diagnosis was non-arteritic anterior ischemic optic neuropathy (NAION).

Findings:

  • The patient's NAION was potentially linked to a crowded optic disc.
  • Internal carotid artery stenosis was also identified as a possible contributing factor.

Implications:

  • This case highlights a rare complication of CABG, emphasizing the need for vigilance in diabetic and hypertensive patients.
  • Understanding predisposing factors like disc morphology and vascular stenosis is crucial for managing NAION risk.
  • Further research into the mechanisms of post-CABG NAION may improve patient outcomes and preventative strategies.

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