Cornea · 2023
Midterm Outcomes of Autologous Glueless Simple Limbal Epithelial Transplantation for Unilateral Limbal Stem Cell Deficiency.
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Malyugin Boris E, Kalinnikova Svetlana Y, Knyazer Boris, Gerasimov Maxim Y
Аннотация
PURPOSE: The aim of this study was to report the midterm outcomes of glueless simple limbal epithelial transplantation (G-SLET) as a novel modification of limbal stem cell transplantation in patients with unilateral limbal stem cell deficiency (LSCD).
METHODS: This was a single-center, retrospective, interventional case series. Analysis of the 6 months interim outcomes was performed for 11 patients with unilateral LSCD who underwent G-SLET without simultaneous keratoplasty. The primary outcome measure was clinical success, which was defined as a completely epithelialized, avascular, and stable corneal surface. Secondary outcome measures included LSCD staging, improvement in visual acuity, and corneal grading of the recipient eye before and after the intervention. Adverse events were monitored throughout the study period.
RESULTS: At 6-month follow-up, clinical success was achieved in 9 of the 11 cases (81.8%) and partial success was observed in 2 cases (18.2%). Among the patients in the cohort, 54.5% improved to stage 0 LSCD. Seven patients experienced enhancement in visual acuity. All corneal grading parameters improved significantly. Six adverse events were registered in 5 cases and were successfully managed. An extended scar in the donor eye was observed in 1 patient.
CONCLUSIONS: This study demonstrated the high efficacy and safety of the G-SLET technique in the management of unilateral LSCD. G-SLET should be considered as a viable alternative to the"classic" SLET technique, specifically in the geographic areas where the availability of the fibrin glue is limited due to regulatory, economical, or any other reasons.
METHODS: This was a single-center, retrospective, interventional case series. Analysis of the 6 months interim outcomes was performed for 11 patients with unilateral LSCD who underwent G-SLET without simultaneous keratoplasty. The primary outcome measure was clinical success, which was defined as a completely epithelialized, avascular, and stable corneal surface. Secondary outcome measures included LSCD staging, improvement in visual acuity, and corneal grading of the recipient eye before and after the intervention. Adverse events were monitored throughout the study period.
RESULTS: At 6-month follow-up, clinical success was achieved in 9 of the 11 cases (81.8%) and partial success was observed in 2 cases (18.2%). Among the patients in the cohort, 54.5% improved to stage 0 LSCD. Seven patients experienced enhancement in visual acuity. All corneal grading parameters improved significantly. Six adverse events were registered in 5 cases and were successfully managed. An extended scar in the donor eye was observed in 1 patient.
CONCLUSIONS: This study demonstrated the high efficacy and safety of the G-SLET technique in the management of unilateral LSCD. G-SLET should be considered as a viable alternative to the"classic" SLET technique, specifically in the geographic areas where the availability of the fibrin glue is limited due to regulatory, economical, or any other reasons.