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The healing process in rabbits after performing high-frequency electric lacryocystoplasty and the effect of rhEGF eye drops
Author(s): HU Wenxue, ZHANG Xiaonong, BAI Meng
Pages: 161-
164
Year: 2004
Issue:
3
Journal: CHINESE JOURNAL OF OPTOMETRY & OPHTHALMOLOGY
Keyword: 鼻泪管; 泪道高频电灼/方法; 表皮生长因子/治疗应用; 增殖细胞核抗原;
Abstract: 目的:观察兔泪道电灼后的愈合过程及易贝滴眼液(重组人表皮生长因子滴眼液)对愈合的影响,探讨灼通术后的复发机制.方法:制造鼻泪管电灼模型,设立基础对照组、配对设计对照组、治疗组,观察各组术后临床变化、鼻泪管组织的病理变化、分层计数增殖细胞核抗原(PCNA)阳性率,并作统计分析.结果:①术后第6天,泪道已恢复导泪功能,荧光素试验阳性时间较基础对照组短.②上皮层具有强大的再生能力,术后5~7 d后已全部覆盖电灼区,鼻泪管的组织结构基本恢复约需14 d.③易贝滴眼液能促进上皮层及间质层的愈合,能促进间质层纤维细胞增殖率的恢复.结论:应用易贝滴眼液能促进鼻泪管电灼术后的愈合,间质层的长期过度增殖可能是鼻泪管阻塞复发的主要原因.
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