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Appositional Angle Closure in Chinese With Primary Angle Closure and Primary Angle Closure Glaucoma After Laser Peripheral Iridotomy
Yan, Yu-jie1,2; Wu, Ling-ling1; Wang, Xin1; Xiao, Ge-ge1
关键词Angle Closure Glaucoma Appositional Angle Closure Laser Peripheral Iridotomy Plateau Iris Ultrasound Biomicroscopy
刊名INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE
2014-12-01
DOI10.1167/iovs.14-14426
55期:12页:8506-8512
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]PLATEAU IRIS SYNDROME ; ANTERIOR-SEGMENT ; ULTRASOUND BIOMICROSCOPY ; PREVALENCE ; SUSPECTS ; EYES
英文摘要

PURPOSE. To determine the prevalence of appositional angle closure (AAC) after laser peripheral iridotomy (LPI) in the eyes of Chinese patients with primary angle closure (PAC) and primary angle closure glaucoma (PACG) and to evaluate its pathogenesis by investigating anatomic characteristics.

METHODS. This was a cross-sectional observational study. PAC and PACG subjects were consecutively enrolled after LPI. Ultrasound biomicroscopy (UBM) images, obtained in darkness, of each quadrant without peripheral anterior synechia (PAS) under gonioscopy were qualitatively assessed. Darkroom provocative test (DRPT) was also performed.

RESULTS. A total of 134 eyes of 134 patients were enrolled. AAC was observed in >= 1 quadrant of UBM image in 85 subjects (63.4%). There were 116 randomly selected quadrants without PAS for 134 patients (86.6%). AAC existed in 38 quadrants (32.8%). Among these, plateau iris accounted for 44.7%, anteriorly inserted iris for 13.2%, thick iris for 13.2%, and anteriorly inserted iris combined with thick iris for 18.4% of the total. One hundred fifteen patients underwent DRPT and its positive rate of eyes with AAC >= 2 quadrants (37.5% [12 of 32 patients]) was significantly higher than those <= 1 quadrant (16.9% [14 of 83 patients]; P = 0.018). However, no significant differences were found between eyes with nonsynechia plateau iris >= 2 quadrants (36.4% [4 of 11 patients]) and those <= 1 quadrant (21.2% [22 of 104 patients]; P = 0.266).

CONCLUSIONS. Approximately two-thirds of PAC and PACG eyes of Chinese patients after LPI had AAC. Plateau iris accounted for less than 50% of AAC. Other factors such as a thick peripheral iris and an anteriorly inserted iris also contributed to AAC. DRPT results suggested AAC might have more functional meaning than plateau iris.

语种英语
WOS记录号WOS:000347222300096
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/52733
专题北京大学第三临床医学院_眼科
作者单位1.Peking Univ, Hosp 3, Dept Ophthalmol, Key Lab Vis Loss & Restorat,Minist Educ, Beijing 100191, Peoples R China
2.China Japan Friendship Hosp, Dept Ophthalmol, Beijing, Peoples R China
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GB/T 7714
Yan, Yu-jie,Wu, Ling-ling,Wang, Xin,et al. Appositional Angle Closure in Chinese With Primary Angle Closure and Primary Angle Closure Glaucoma After Laser Peripheral Iridotomy[J]. INVESTIGATIVE OPHTHALMOLOGY &amp; VISUAL SCIENCE,2014,55(12):8506-8512.
APA Yan, Yu-jie,Wu, Ling-ling,Wang, Xin,&Xiao, Ge-ge.(2014).Appositional Angle Closure in Chinese With Primary Angle Closure and Primary Angle Closure Glaucoma After Laser Peripheral Iridotomy.INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE,55(12),8506-8512.
MLA Yan, Yu-jie,et al."Appositional Angle Closure in Chinese With Primary Angle Closure and Primary Angle Closure Glaucoma After Laser Peripheral Iridotomy".INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE 55.12(2014):8506-8512.
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