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学科主题: 口腔医学
题名:
Establishment of a Rabbit Model for Keratoconjunctivitis Sicca
作者: Chen, Zhi-yuan1,2; Liang, Qing-feng3; Yu, Guang-yan1,2
关键词: keratoconjunctivitis sicca ; goblet cells ; ocular surface ; tears
刊名: CORNEA
发表日期: 2011-09-01
DOI: 10.1097/ICO.0b013e3181f1b0fc
卷: 30, 期:9, 页:1024-1029
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Ophthalmology
研究领域[WOS]: Ophthalmology
关键词[WOS]: SUBMANDIBULAR-GLAND TRANSFER ; OCULAR SURFACE DISEASE ; DRY EYE MODEL ; TEAR FILM ; XEROPHTHALMIA ; MANAGEMENT
英文摘要:

Purpose: To establish a rabbit model for keratoconjunctivitis sicca (KCS) to study autologous submandibular gland transfer for treating severe KCS.

Methods: In 2 groups of 10 rabbits, left eyes were operated and right eyes were controls. In the trichloroacetic acid-treated group, the lacrimal and harderian glands and nictitating membrane were removed surgically; the palpebral and bulbar conjunctiva were swabbed with 50% trichloroacetic acid. In the non-trichloroacetic acid-treated group, the lacrimal and harderian glands and nictitating membrane were surgically removed. The Schirmer test was performed preoperatively and 1, 2, 3, and 4 months postoperatively. Corneal densities of rose bengal and fluorescein staining were scored every month postoperatively. At 4 months, the cornea and bulbar conjunctiva were removed from operated and control eyes for histopathology. The upper bulbar conjunctiva was used to determine goblet cell density.

Results: Compared with preoperative conditions, tear secretion of operated eyes significantly decreased in both groups postoperatively, then gradually increased. Scores for corneal rose bengal and fluorescein staining were higher and conjunctival goblet cell density was lower in the operated eyes than in control right eyes in both groups, but no significant difference was found between the operated eyes of the two groups. Inflammatory histopathologic changes of the cornea and conjunctivawere not found in either of the eyes in the two groups.

Conclusions: A new rabbit model for KCS could be created by either of these methods. Experimental KCS with reduction of tear production was possible with surgical ablation of the lacrimal and harderian glands and nictitating membrane. It is unnecessary to apply trichloroacetic acid to burn the conjunctiva. Our modified incision better exposed the surgical field.

语种: 英语
所属项目编号: 30730102 ; 20052009 ; 2007BAI18B11
项目资助者: National Natural Science Foundation of China ; Capital Medical Development Foundation ; National Supporting Program for Science and Technology
WOS记录号: WOS:000293732300015
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/59874
Appears in Collections:北京大学口腔医学院_期刊论文

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作者单位: 1.Peking Univ, Sch Stomatol, Dept Oral & Maxillofacial Surg, Beijing 100081, Peoples R China
2.Peking Univ, Hosp Stomatol, Dept Oral & Maxillofacial Surg, Beijing 100081, Peoples R China
3.Capital Univ Med Sci, Beijing Tongren Hosp, Inst Ophthalmol, Beijing, Peoples R China

Recommended Citation:
Chen, Zhi-yuan,Liang, Qing-feng,Yu, Guang-yan. Establishment of a Rabbit Model for Keratoconjunctivitis Sicca[J]. CORNEA,2011,30(9):1024-1029.
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