Two cases of ultrathin Descemet stripping automated endothelial keratoplasty utilizing a graft that had undergone radial keratotomy

Yoav Nahum, Diego Ponzin, Massimo Busin

Research output: Contribution to journalArticlepeer-review

Abstract

This is a report of two cases in which tissue that had undergone radial keratotomy (RK) was utilized for double-pass ultrathin Descemet stripping automated endothelial keratoplasty (UT-DSAEK). Postoperative slit-lamp examination, visual acuity, anterior segment optical coherence tomography, and specular microscopy were available 30 months after surgery. Both corneas from a donor, who had undergone RK several years before his demise, and were otherwise suitable for endothelial keratoplasty were prepared for UT-DSAEK using double-pass dissection using first a 300 mm microkeratome head and then a 130μm microkeratome head (ALTK system, Moria, Antony, France). After the second cut, the tissue was punched to 9.0 mm and transplanted in two eyes with endothelial decompensation according to standard technique. As early as 3 months after surgery, both patients had 20/25 best-corrected visual acuity, which remained stable for the following 27 months. Postoperative endothelial cell loss was 34% and 57% at 2.5 years. In conclusion, post-RK donor tissue can be used for UT-DSAEK.

Original languageEnglish
Pages (from-to)162-164
Number of pages3
JournalIndian Journal of Ophthalmology
Volume64
Issue number2
DOIs
StatePublished - Feb 2016

Keywords

  • Cornea
  • Descemet stripping automated endothelial keratoplasty
  • Lamellar keratoplasty
  • Radial keratotomy
  • Refractive surgery

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