Impact of Transportation on Short-term Preserved Corneas Preserved in Optisol-GS, Likorol, Likorol-DX, and MK-Medium

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Purpose.To investigate the impact of transportation, simulated under laboratory conditions, on the corneal endothelium preserved by Optisol-GS, Likorol-DX, Likorol, and MK-Medium.Methods.Three hundred twenty corneas from freshly slaughtered pigs were stored in Optisol-GS, Likorol-DX, Likorol, and MK-Medium for 1, 3, 6, or 10 days. After short-term preservation, the transportation was simulated on a laboratory shaker at 4°C with an acceleration of 0–100 km/h in 16 seconds for 5 hours. Mate corneas served as the control. Corneal endothelial cell density was determined at the time of dissection, directly before the experiment, and after subsequent organ culture.Results.A significant cell loss induced by transportation simulation was not observed in any experimental group. Preservation in MK-Medium starting at 3 days of short-term preservation resulted in a significant cell loss. Storage for up to 6 days in Optisol-GS, Likorol-DX, and Likorol did not result in a significant decrease in cell density.Conclusion.Short-term preserved corneas can be routinely distributed without a reevaluation, if the tissue is preserved for a shorter time as recommended by the manufacturers.

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