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01.12.2018 | Research article | Ausgabe 1/2018 Open Access

BMC Ophthalmology 1/2018

One-year follow-up of accelerated transepithelial corneal collagen cross-linking for progressive pediatric keratoconus

Zeitschrift:
BMC Ophthalmology > Ausgabe 1/2018
Autoren:
Mi Tian, Weijun Jian, Ling Sun, Yang Shen, Xiaoyu Zhang, Xingtao Zhou

Abstract

Background

Keratoconus typically presents in the teenage years and is more advanced in younger patients when compared with adults. In the present study, we aimed to assess the safety and efficacy of accelerated transepithelial corneal collagen cross-linking (ATE-CXL) in children with progressive keratoconus.

Methods

In this retrospective consecutive study, 18 eyes were enrolled from 17 pediatric patients (15 boys and 2 girls) with a mean age of 14.44 ± 1.98 years. Manifest refraction, best-corrected visual acuity (BCVA), steepest meridian keratometry (K1), flattest meridian keratometry (K2), maximum keratometry (Kmax), thinnest corneal thickness (TCT), posterior central elevation (PCE), and posterior mean elevation (PME) were measured before and after ATE-CXL. The patients were followed-up at 1, 6, and 12 months. Repeated measures analysis of variance was used for statistical analysis. P < 0.05 was considered statistically significant.

Results

There were no complications in any case during or after ATE-CXL. BCVA improved from 0.64 ± 0.32 preoperatively to 0.69 ± 0.32 at 1-year postoperatively. The Kmax value was 56.67 ± 9.60 D before the treatment and 56.19 ± 8.55 D, 56.08 ± 8.85 D, and 55.94 ± 8.46 D at 1, 6, and 12 months postoperatively, respectively. No statistically significant differences were present in K1, K2, Kmax, PCE, and TCT before and after ATE-CXL during the 12-month follow-up (P > 0.05).

Conclusions

ATE-CXL is a safe and effective treatment in pediatric progressive keratoconus patients. The long-term effects need further observation.

Trial registration

Retrospectively registered. Registration number: ChiCTR-OIC-16008181. Registered 29 March 2016.
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