Tear Film and Drainage after Selective Punctal Occlusion Using Polydioxanone Plugs in Dry Eye Patients

IF 0.1 Q4 OPHTHALMOLOGY
Sung Eun Im, Hee Chul Lee, Sang Soo Kim
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引用次数: 0

Abstract

Purpose: To assess changes in the tear film and delayed tear drainage after upper or lower, or combined upper and lower, punctal occlusion using dissolvable polydioxanone plugs in patients with dry eye.Methods: In total, 40 dry eye patients (80 eyes) were enrolled: four groups of 10 (20 eyes) with no, lower, upper, and lower and upper punctal occlusions. Dissolvable polydioxanone plugs were placed. The tear break-up time (tBUT) and the tear meniscus height (TMH) were measured, and the Schirmer I test and dye disappearance test (DDT) were performed at baseline and 2 weeks after the procedure.Results: Compared to the control group, all three test groups exhibited significant changes in the tBUT, the DDT test, and the TMH after polydioxanone plug placement (all p < 0.05). The group with both upper and lower punctal occlusions exhibited more delayed tear drainage than the other test groups. A lower punctal occlusion significantly delayed tear drainage to a greater extent than did an upper punctal occlusion (p = 0.010).Conclusions: In dry eye patients, a polydioxanone plug improved the tBUT and TMH, and the DDT score. The tear drainage delay increased in the order: both, lower, and upper punctal occlusion(s).
干眼症患者选择性点阻断后泪膜及泪液引流
目的:评价干眼症患者使用可溶解聚二恶酮眼塞进行上、下点或上下点联合封堵后泪液膜的变化和延迟泪液引流。方法:共40例(80眼)干眼症患者分为4组,每组10例(20眼),无、下、上、下、上点闭塞。放置可溶解的聚二氧环酮塞。测定撕裂破裂时间(tBUT)和撕裂半月板高度(TMH),并在基线和术后2周进行Schirmer I试验和染料消失试验(DDT)。结果:与对照组相比,所有三个试验组在tBUT、DDT试验和聚二氧环酮塞置入后的TMH均有显著变化(均为<i>p</i>& lt;0.05)。上、下点闭塞组比其他试验组有更多的延迟泪液排出。与上点阻塞相比,下点阻塞显著延迟泪滴引流(<i>p</i>= 0.010)。结论:在干眼症患者中,聚二恶酮塞可改善tBUT和TMH,以及DDT评分。泪液引流延迟的顺序依次为:下、上点闭塞。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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CiteScore
0.20
自引率
0.00%
发文量
126
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