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Processed amniotic membrane for conjunctival reconstruction in complex strabismus surgery.

Sabine Naxer1, Maren Horn1, Michael Schittkowski1

  • 1a Section for Strabismus, Neuroophthalmology and Oculoplastics , Georg-August-Universitat Gottingen Universitatsmedizin , Gottingen , Germany.

Strabismus
|August 22, 2018
PubMed
Summary
This summary is machine-generated.

Amniotic membrane grafts effectively treat restrictive strabismus and conjunctival scarring after eye muscle surgery. While generally safe, symblepharon is a potential complication requiring further investigation.

Keywords:
Amniotic membraneGraves ophthalmopathyrestricitve conjunctivarestricitve strabismusstrabismus surgery

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Area of Science:

  • Ophthalmology
  • Regenerative Medicine
  • Tissue Engineering

Background:

  • Amniotic membrane is utilized for ocular surface conditions like corneal ulcerations and chemical burns.
  • Limited data exists on long-term outcomes of amniotic membrane use for conjunctival replacement.
  • This study investigates its application in restrictive strabismus and conjunctival defects post-eye muscle surgery.

Purpose of the Study:

  • To evaluate the efficacy and outcomes of using amniotic membrane for conjunctival replacement in patients with restrictive strabismus or conjunctival problems.
  • To assess the long-term results of amniotic membrane grafts in complex ophthalmic surgeries.

Main Methods:

  • Retrospective case study of 32 patients treated with Ambio5® amniotic membrane between 2009 and 2015.
  • Inclusion criteria: use of amniotic membrane for conjunctival issues during or after complex eye muscle surgery.
  • Analysis of patient charts for functional and aesthetic outcomes, complications, and follow-up duration.

Main Results:

  • Seven patients with restrictive conjunctiva post-strabismus surgery received amniotic membrane grafts.
  • Mean follow-up was 32 months; most patients showed improvement in restrictive strabismus and scarring.
  • Three patients developed symblepharon, with one requiring revision.

Conclusions:

  • Commercially prepared amniotic membrane serves as a viable alternative graft for conjunctival replacement.
  • It effectively addresses restrictive strabismus, conjunctival scarring, and discomfort.
  • The increased risk of symblepharon with storable products warrants further research.