Herpetic Corneal Keratopathy Management Using Ipsilateral Supratrochlear Nerve Transfer for Corneal Neurotization

Chih Hung Lin*, Li Ju Lai

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

17 Scopus citations

Abstract

Background Neurotrophic keratopathy (NK) is a potentially sight-threatening condition caused by impairment in the trigeminal corneal innervations with decrease or loss of corneal sensitivity. This prospective study aimed to evaluate the outcomes of surgical neurotization of the cornea using ipsilateral supratrochlear nerve transfer in patients with herpes-induced NK. Methods An ophthalmologist and a plastic surgeon performed an interdisciplinary corneal neurotization in 13 eyes of 13 patients after preoperative exclusion of forehead sensation impairment. A 3-cm supra-eyebrow incision allowed for microsurgical supratrochlear nerve dissection, and a subconjunctival tunneling was performed for the nerve transfer. Neurotrophic keratopathy was assessed preoperatively and every 3 months postoperatively using slit-lamp microscopy, the corneal sensitivity test, specular microscopy, and in vivo confocal microscopy. Results The surgeries had no major complications. The average disease duration from cornea denervation to surgery was 15.2 years. The mean follow-up duration was 18.5 ± 6 months. The symptoms exhibited subjectively improved visual acuity, and objectively improved visual analog scale and NK grading. The subepithelial corneal nerve plexus was found at 9 months postoperatively. The corneal thickness decreased and the corneal endothelial count increased postoperatively. Conclusions This is the largest series of corneal neurotization using direct ipsilateral supratrochlear nerve transfer. It is a minimally invasive method to restore corneal sensitivity and treat NK successfully within 1 year without a sural nerve graft. A long-term follow-up is needed for further assessment.

Original languageEnglish
Pages (from-to)553-557
Number of pages5
JournalAnnals of Plastic Surgery
Volume83
Issue number5
DOIs
StatePublished - 01 11 2019

Bibliographical note

Publisher Copyright:
© 2019 Wolters Kluwer Health, Inc. All rights reserved.

Keywords

  • corneal neurotization
  • herpetic corneal keratopathy
  • supratrochlear nerve

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