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Atypical hydrops in keratoconus.

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Summary
This summary is machine-generated.

Atypical acute hydrops can occur in the host cornea after keratoplasty, even sparing the graft. Management varies, with some cases requiring endothelial transplants for graft-host junction dehiscence.

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Area of Science:

  • Ophthalmology
  • Corneal Diseases
  • Surgical Outcomes

Background:

  • Keratoconus is a progressive thinning and ectasia of the cornea.
  • Penetrating keratoplasty (PKP) is a common surgical treatment for advanced keratoconus.
  • Atypical acute hydrops can present unique challenges post-keratoplasty.

Observation:

  • Three cases of atypical acute hydrops were studied retrospectively.
  • Two patients had prior PKP, with hydrops affecting the host bed, sometimes extending to the graft.
  • One patient experienced traumatic hydrops, with associated acute haemops.

Findings:

  • Progression of keratoconus in the recipient bed post-PKP can lead to hydrops, sparing the graft.
  • Internal graft-host junction dehiscence can result from stromal thinning and ectasia, causing chronic edema.
  • Descemet's membrane rupture and stromal abnormalities in keratoconus may play a role in hydrops/haemops pathogenesis.

Implications:

  • Understanding atypical hydrops post-PKP is crucial for appropriate management.
  • Endothelial keratoplasty may be required for graft-host junction dehiscence.
  • Further research into the role of corneal stroma in hydrops pathogenesis is warranted.