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  • Title: [The clinical efficiency of calf blood extract gel on moderate to severe dry eye induced by chronic graft versus host diseases after bone marrow transplantation].
    Author: Liu J, Liu ZG, Shao Y, Chen JY, Li W, Lin H.
    Journal: Zhonghua Yan Ke Za Zhi; 2013 Jan; 49(1):32-6. PubMed ID: 23601463.
    Abstract:
    OBJECTIVE: To investigate the clinical efficiency of calf blood extract gel on dry eye induced by chronic graft versus host diseases after bone marrow transplantation. METHODS: It was a two-stage cross-over design double-blind controlled study. Twelve patients (twenty-four eyes) diagnosis dry eye induced by chronic graft versus diseases in Ocular Surface Out-patient Clinic of Xiamen University Affiliated Xiamen Eye Center 2009 from 2010 to were divide into two groups: group A accepted the treatment of autologous serum in the first stage and group B accepted the treatment of calf blood extract gel, after one month of elution, group A accepted calf blood extract gel and group B accepted autologous serum. The signs and symptoms with different therapies were recorded at the time of pre and post therapies, which were analyzed by Wilcoxon analysis and two-stage cross-over analysis. RESULTS: Ocular dry eye symptoms including visual tiredness, dry and unsmooth sensation, foreign body sensation, photophobia, pain, redness and visual acuity had been improved in both autologous serum therapy (U = 22.5, 43.2, 27.0, 17.4, 21.5, 38.5, 23.0, P < 0.05) and calf blood extract gel therapy (U = 333.0, 24.5, 29.0, 40.5, 26.0, 36.0, 51.0, P < 0.05) after two-week treatment. Corneal FL had significantly been improved (2.00 ± 1.00, 3.00 ± 1.50) (Group A U = 273.0, Group B U = 135.0, P < 0.01). Ocular dry eye signs and symptoms including visual tiredness, dry and unsmooth sensation, burning sensation, photophobia, pain, tearing, redness, visual acuity, corneal FL, TFBUT and S It hadn't significantly improved between two kinds of therapies (F = 1.45, 2.43, 2.14, 1.91, 1.63, 0.51, 1.19, 0.68, 2.75, 0.77, 1.23, P > 0.05) or between two kinds of offering drug orders (F = 3.17, 2.62, 0.91, 1.42, 0.89, 2.17, 0.95, 1.54, 3.21, 6.72, 1.37, P > 0.05) in the two-stage cross-over design. Only foreign body sensation had significantly statistical difference between two kinds of drug (F = 11.38, P < 0.05), while without significant statistical difference between two kinds of offering drug orders (F = 2.62, P > 0.05). CONCLUSION: Calf blood extract gel can be consider as a alternative for the treatment of dry eye induced by cGVHDs, because of its functions on releasing ocular dry eye symptoms and promoting corneal epithelial cells repair.
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