Femtoszekundumlézeres keratoplasztika

Translated title of the contribution: Femtosecond laser-assisted keratoplasty

Módis László, Szalai Eszter, Flaskó Zsuzsanna, Kolozsvári Bence, A. Berta

Research output: Contribution to journalArticle

Abstract

Introduction and aim: To present our results on femtosecond laser-assisted penetrating keratoplasty. Patients and method: Twenty-five eyes of 25 patients underwent surgery with the following indications: pseudophakic bullous keratopathy (n = 10), keratoconus (n = 4), corneal dystrophy (n = 5), corneal scar (n = 4), band keratopathy (n = 2). Trephination of both the donor and recipient corneas were performed with VisuMax femtosecond laser device (Carl Zeiss Meditec AG, Jena, Germany). In each case, trephinaton of the donor tissue was performed first with an artificial anterior chamber (Moria, Antony, France). For the surgical plan and in the postoperative period we obtained different corneal imaging modalities. The corneal power was measured with corneal topography (TMS-4, Tomey, Nürnberg, Germany) and Scheimpflug tomography (Pentacam HR, Oculus, Wetzlar, Germany). The central corneal thickness was evaluated with Pentacam and corneal endothelial cell density was measured with specular microscopy (SP3000P, Topcon, Tokyo, Japan). The corneal structure was imaged with anterior segment optical coherence tomography (Visante, Carl Zeiss Meditec AG). All measurements were performed every 3 months in the first year and yearly thereafter. The follow-up period was 3 years in every case. Results: The corrected decimal visual acuity showed an improvement from a preoperative 0.1 ± 0.1 to a postoperative 0.71 ± 0.18 value at the end of the follow-up period (p = 0.03). All corneal grafts maintained their transparency, there were no immunological rejection during the follow-up. Topographical astigmatism was 4.5 ± 3.1 D in the first month; it showed a decreasing tendency, but there was no significant change in the 3-year period. The mean central corneal thickness changed with 60 μm during the follow-up; there was no significant difference between the first month (564 ± 52 μm) and the third year (596 ± 64 μm) mean pachymetry values (p = 0.1). The mean endothelial cell density decreased first, then remained stable, but did not change significantly from the first (1641 ± 433 cells/mm2) to the last postoperative visit (1220 ± 391 cells/mm2, p = 0.1). Conclusions: In the case of femtosecond laser-assisted penetrating keratoplasty, trephination of the donor and recipient cornea is performed automatically in a highly precise fashion. The accurate cutting surface provides excellent wound apposition and healing. Both anatomical and functional rehabilitation of patients undergoing surgery are favourable and fast.

Original languageHungarian
Pages (from-to)671-676
Number of pages6
JournalOrvosi Hetilap
Volume159
Issue number17
DOIs
Publication statusPublished - Apr 1 2018

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Corneal Transplantation
Trephining
Germany
Penetrating Keratoplasty
Lasers
Tissue Donors
Cornea
Endothelial Cells
Cell Count
Corneal Topography
Astigmatism
Tokyo
Optical Coherence Tomography
Anterior Chamber
Postoperative Period
Wound Healing
Visual Acuity
France
Microscopy
Japan

ASJC Scopus subject areas

  • Medicine(all)

Cite this

László, M., Eszter, S., Zsuzsanna, F., Bence, K., & Berta, A. (2018). Femtoszekundumlézeres keratoplasztika. Orvosi Hetilap, 159(17), 671-676. https://doi.org/10.1556/650.2018.31035

Femtoszekundumlézeres keratoplasztika. / László, Módis; Eszter, Szalai; Zsuzsanna, Flaskó; Bence, Kolozsvári; Berta, A.

In: Orvosi Hetilap, Vol. 159, No. 17, 01.04.2018, p. 671-676.

Research output: Contribution to journalArticle

László, M, Eszter, S, Zsuzsanna, F, Bence, K & Berta, A 2018, 'Femtoszekundumlézeres keratoplasztika', Orvosi Hetilap, vol. 159, no. 17, pp. 671-676. https://doi.org/10.1556/650.2018.31035
László M, Eszter S, Zsuzsanna F, Bence K, Berta A. Femtoszekundumlézeres keratoplasztika. Orvosi Hetilap. 2018 Apr 1;159(17):671-676. https://doi.org/10.1556/650.2018.31035
László, Módis ; Eszter, Szalai ; Zsuzsanna, Flaskó ; Bence, Kolozsvári ; Berta, A. / Femtoszekundumlézeres keratoplasztika. In: Orvosi Hetilap. 2018 ; Vol. 159, No. 17. pp. 671-676.
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