Purtscher Retinopathy

  • Multiple microinfarctions of retina
  • Evident as cotton wool spots, usually in both eyes
  • Presumed antigen-antibody clumping in arterioles with complement release
  • Usually only evidence of infarction
  • Occurs immediately in severe compressive chest, pelvic, long bone trauma, pancreatitis
  • Patient usually reports scotomas
  • Scotomatous visual loss in one eye or both
  • May impair visual acuity
  • Multiple cotton wool spots within temporal vascular arcades of retina
  • Scattered retinal hemorrhages sometimes
  • Patient (and caregivers) usually preoccupied with non-ophthalmic manifestations
  • Refer patient promptly with acute visual complaints in setting of trauma, pancreatitis
  • No treatment for this condition, but...
  • Referral appropriate to confirm diagnosis
  • Cotton wool spots disappear within weeks, but there may be permanent visual loss