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1Effects of Honghua preserved amniotic membrane on scar healing in experimental glaucoma surgery显示文摘AIM:To investigate the efficacy and safety of Honghua preserved amniotic membrane(AM)for preventing scar formation of the filtering bleb in a rabbit model of glaucoma trabeculectomy surgery.METHODS:Totally 36 rabbits(36 eyes)were randomly divided into 3 groups:the experimental group(ocular trabeculectomy in combination with Honghua preserved AM transplantation),the control group(ocular trabeculectomy surgery in combination with AM implantation),and the blank group(single trabeculectomy).Clinical observations[including intraocular pressure(IOP),filtering blebs and complications],MassonTrichrome staining,real-time quantitative reverse transcription-polymerase chain reaction(real-time PCR),Western blot were performed on different time points(D1,D7,D14,D21 and D56)after the surgery.RESULTS:After operated for 14d,there were statistically significant differences in the filtering blebs compared to the situation before operation(P<0.05),whereas no statistically difference on that among three groups(P>0.05).After 21d,the IOP of experimental group was lowest(P<0.05).There was significant difference between control group and blank group(P<0.05).On postoperative D14,the mean number of fibroblasts in the experimental group was significantlylower(40.6±10.2)compared to those in the control group(54.4±10.8)and blank group(68.2±11.6)(P<0.05,respectively).The mean numbers of the macrophage in the experimental and control groups were respcitively significantly lower versus the blank group(P<0.05,P<0.05,respectively).Compared to that in blank group,the level of transforming growth factor-β(TGF-β1)expression in sclera and conjunctival areas was reduced in the experimental and control groups on protein and mRNA level(P<0.05),but not significant difference between these two groups(P>0.05).CONCLUSION:The trabeculectory surgery with Honghua preserved AM can control IOP,sustain the functional filtration bleb,inhibit the proliferation of fibroblasts and open the filtrating pathway on the rabbit glaucoma models.Yi Shao Yao Yu Qiu-Ping Liu Jing-Ming Li Fei Dong Xin Huang Chong-Gang Pei Ping Tu Hen-Hui Li Gui-Ping Gao 2014International Journal of Ophthalmology(English edition)2014,7,2:16
2Comparison of trabeculectomy and trabeculectomy with amniotic membrane transplantation in the same patient with bilateral glaucoma显示文摘AIM:To observe effects of trabeculectomy with amniotic membrane transplantation(AMT) in controlling postoperative intraocular pressure(IOP) in patients with medically uncontrolled glaucoma.·METHODS:This study included adult patients with requiring bilateral glaucoma surgery.Each patient underwent trabeculectomy(Non-AMT group) in one eye and with AMT(AMT group) in the other eye according to randomized principle.Success was defined as intraocular pressure(IOP) <21mmHg without any anti-glaucoma medications at 24 months follow-up.The two groups were compared in terms of IOP,complications and success rate.·RESULTS:Thirty-four eyes of 17 patients were investigated in this study.There was no statistically signifcant difference in pre-operative IOP between the two groups.The mean IOP was lower in AMT group compared with Non-AMT group on follow up months 12,18,and 24.Postoperative complications were more frequent in Non-AMT group(35.3%,6/17) compared with AMT group(5.9%,1/17).The success rate of surgery was88.2%(15/17) in Non-AMT group and 100%(17/17) in AMT group.·CONCLUSION:Trabeculectomy with AMT is an effective procedure to reduce IOP and complications,thereby improving surgical success rates.Qing-Shan Ji Bing Qi Lian Liu Wei Lao Zhi-Hao Yang Gui-Fang Wang Guo-Cheng Yu Jing-Xiang Zhong 2013International Journal of Ophthalmology(English edition)2013,6,4:4
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