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Verification of Embolic Channel Causing Blindness Following Filler Injection.

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Cosmetic fillers injected into facial arteries can travel through arterial connections to the eyes, causing serious ocular complications. This study confirms an embolic pathway from facial to ophthalmic arteries, highlighting risks of filler embolism.

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Area of Science:

  • Anatomy
  • Ophthalmology
  • Plastic Surgery

Background:

  • Cosmetic filler injections carry risks of severe ocular complications.
  • Previous understanding of filler embolism pathways to the eye was limited.
  • This study investigates the anatomical basis for filler migration to the orbit.

Purpose of the Study:

  • To provide scientific evidence of filler migration pathways from facial arteries to the eye.
  • To demonstrate the existence of an embolic channel connecting the facial arterial system to the ophthalmic artery.
  • To understand the mechanisms behind ocular complications after cosmetic facial fillers.

Main Methods:

  • Liquid dye was injected into cannulated superficial temporal and facial arteries in six cadavers.
  • Ocular contents were removed, and the interior sclera was monitored for dye presence.
  • The study aimed to visualize retrograde ophthalmic perfusion and identify interarterial communications.

Main Results:

  • Dye injected into facial and superficial temporal arteries successfully entered both ipsilateral and contralateral globes.
  • Direct communications between facial and ophthalmic arteries were evidenced by dye transfer.
  • Compression of the orbital rim partially impeded ocular filler infusion, suggesting a potential preventative measure.

Conclusions:

  • Persistent interarterial anastomoses between facial arteries and the ophthalmic artery facilitate filler embolism.
  • Specific conditions can allow filler to embolize into the globe, leading to ocular complications.
  • Understanding these pathways is crucial for preventing and managing vision-threatening events from cosmetic procedures.