期刊
INDIAN JOURNAL OF OPHTHALMOLOGY
卷 69, 期 9, 页码 2452-2456出版社
WOLTERS KLUWER MEDKNOW PUBLICATIONS
DOI: 10.4103/ijo.IJO_258_21
关键词
Corneal preservation; Cornisol medium; donor corneal storage; MK medium; Optisol-GS medium
This study compared the physical and microbiological characteristics of three different corneal storage media, and found that Optisol-GS and Cornisol were better at preserving endothelial cell density and stabilizing corneal thickness compared to MK medium. The functional outcomes, however, were comparable among the three groups.
Purpose: To compare the physical and microbiological characteristics of McCarey-Kaufman (MK), Cornisol, and Optisol-GS media and evaluate the outcomes of keratoplasty performed using corneas stored in these three media. Methods: The study involved 60 donor corneas which were distributed in 3 groups: MK, Cornisol, and Optisol-GS. Corneas in these groups were further analyzed based on the type of keratoplasty performed (full thickness versus endothelial keratoplasty). At baseline, the endothelial cell density and death to preservation time of donor corneas were recorded. Following keratoplasty, patients were evaluated on day 1, at 1 month, 3 months, and 6 months follow-up. Outcomes were assessed in terms of corrected distance visual acuity (CDVA), endothelial cell density, percentage endothelial cell loss, and corneal thickness. The storage media were also assessed for their physical quality and their microbiological characteristics. Results: Physical characteristics of all three media were found to be within normal limits. Mean CDVA was comparable among the 3 groups at 6-month follow-up. The absolute endothelial cell count values were significantly lower for corneas stored in MK medium (1873.7 +/- 261.1 cells/mm(2)) compared to the Cornisol (2085.0 +/- 230.3 cells/mm(2)) and Optisol-GS media [(2180.3 +/- 217.2 cells/mm(2)) (P = <0.001)]. Corneas stored in Optisol-GS medium were significantly thinner at 1-month follow-up with no significant difference at 6 months (P = 0.66). Conclusion: Optisol-GS and Cornisol media were found to preserve endothelial cell density better and stabilize corneal thickness earlier as compared to the MK medium. However, the functional outcomes were comparable among the three groups.
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