June 2017
Volume 58, Issue 8
Open Access
ARVO Annual Meeting Abstract  |   June 2017
Corneal nerve regeneration is linked to optical changes in patients with Fuchs’ endothelial corneal dystrophy
Author Affiliations & Notes
  • Esben Nielsen
    Ophthalmology, Aalborg University Hospital, Aalborg, Denmark
    Ophthalmology, Aarhus University, Aarhus C, Denmark
  • Anders Ivarsen
    Ophthalmology, Aarhus University, Aarhus C, Denmark
  • Jesper Hjortdal
    Ophthalmology, Aarhus University, Aarhus C, Denmark
  • Footnotes
    Commercial Relationships   Esben Nielsen, None; Anders Ivarsen, None; Jesper Hjortdal, None
  • Footnotes
    Support  Øjenforeningen Værn om Synet, Synoptik-Fonden, Jochum Jensen og hustru Mette Marie Jensens f. Poulsens mindelegat, Helga og Peter Kornings Fond, Købmand Marie Kirstine Jensens Fond, Novartis Healthcare a/s.
Investigative Ophthalmology & Visual Science June 2017, Vol.58, 5711. doi:
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    • Get Citation

      Esben Nielsen, Anders Ivarsen, Jesper Hjortdal; Corneal nerve regeneration is linked to optical changes in patients with Fuchs’ endothelial corneal dystrophy. Invest. Ophthalmol. Vis. Sci. 2017;58(8):5711.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose :
To investigate whether changes in the corneal subbasal nerve plexus (SNP) is associated with changes in the optical quality of the anterior cornea after endothelial keratoplasty (DSAEK).

Methods :
In a prospective controlled study, 41 FECD patients (FECD group, 41 eyes) and 40 cataract patients with normal corneas (Control group: 80 eyes) eligible for surgery (DSAEK and cataract surgery, respectively) were recruited. Patients were examined with Pentacam HR and in vivo confocal microscopy (IVCM). The FECD group was examined preOP, and at 3, 6 and 12 months after surgery (PostOP). The Control group was examined preOP and at 12 months postOP. Total central corneal thickness, anterior densitometry, anterior higher order aberrations and the density of the corneal sub basal nerve plexus (SNP) were entered into a repeated-measures mixed model.

Results : In the FECD group, SNP density decreased significantly from preOP to 3 months postOP (p = 0.004), exhibited no significantly change from 3 to 6 months (p = 0.43), but increased significantly from 6 months to 12 months (p = 0.002). There was no significant difference between preOP SNP density and SNP density at 12 months in the FECD group. In the mixed model, there was a significant negative association between SNP density and anterior densitometry (p = 0.004), but not with anterior HOA’s (p = 0.63) or total CCT (p = 0.89). Adjusting for age did not affect results. SNP density was lower in the FECD group both preOP (p<0.001) and postOP (p<0.001) when compared to the control group. In the control group, the SNP density was significantly decreased 12 months after surgery (p<0.003).

Conclusions : SNP density is significantly reduced in advanced FECD and does not recover 12 months after DSAEK surgery. There was a significant association between changes in anterior densitometry and changes in SNP nerve density after DSAEK.

This is an abstract that was submitted for the 2017 ARVO Annual Meeting, held in Baltimore, MD, May 7-11, 2017.

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