Transplatation of Amniotic Membrane in Corneal Ulcers and Persistant Epithelial Defects (CROSBI ID 177978)
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Gržetić-Lenac, Renata ; Merlak, Maja ; Balog, Tihomir ; Bobić, Marijana Bilen ; Dekaris, Iva
engleski
Transplatation of Amniotic Membrane in Corneal Ulcers and Persistant Epithelial Defects
Amniotic membrane transplantation (AMT) leads to reduction of inflammatory symptoms and causes faster epithelisation in corneal ulcers and persistant epithelial defect. 21 patients with corneal ulcer (n=18) or non-healing epithelial defect (n=3) unresponsive to conventional treatment were included in the study. All patients were treated by AMT. Corneal epithelial cells in patients suffering from corneal ulcer secreted 3.51±1.79 of IL-1a, 64.27±31.53 pg/mL of TNFa and 209.07±201.82 pg/mL of VEGF. Levels of all 3 investigated cytokines were significantly higher as compared to controls (p<0.005). Amniotic membranes that were used contained 775.69±613.98 pg/mL of IL-1ra, 0.036±0.033 pg/mL of sTNF and 175.01±166.63 pg/mL of VEGF-R. Supporting effect of the AMT could be explained by the fact that AM secretes its natural antinflammatory antagonists IL-1ra, sTNF and VEGF-R.
Cornea; amniotic membrane; ulcus cornea
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