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Related Experiment Videos

[Iatrogenic central artery embolism].

W Li1, Z Hu, R Gao

  • 1Zhongshan Ophthalamic Center, Sun Yat-sen University of Medical Sciences, Guangzhou, China.

Yan Ke Xue Bao = Eye Science
|December 1, 1990
PubMed
Summary
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Drug injections in the head and neck can cause central retinal artery embolism (CRAE). Prompt diagnosis and treatment are crucial for managing this vision-threatening condition.

Area of Science:

  • Ophthalmology
  • Vascular Medicine
  • Radiology

Background:

  • Central retinal artery embolism (CRAE) is a critical condition leading to sudden vision loss.
  • Drug administration in the head and neck region carries potential risks of vascular complications.

Observation:

  • Three cases of CRAE were identified following drug injections in the head and neck.
  • Emboli were attributed to suspended drug particles or rapid injection of contrast media during angiography.
  • Retinal ischemia and hypoxia resulted from rapid occlusion of the central retinal artery.

Findings:

  • Two cases involved emboli formed from suspended drug particles entering the central retinal artery.
  • One case resulted from rapid injection of a large volume of meglucamini diatrizoas during angiography.

Related Experiment Videos

  • The rapid filling of the central retinal artery with fluorescein exacerbated retinal ischemia.

    • Implications:

    • Highlights the importance of careful drug injection techniques in the head and neck area.
    • Emphasizes the need for early diagnosis and prompt intervention in CRAE cases.
    • Suggests reviewing and refining drug administration protocols to prevent iatrogenic CRAE.