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视网膜神经节细胞复合体厚度与神经纤维层厚度的相关性及对新生血管性青光眼的影响

2019-10-15熊云帆李琴

中国医药导报 2019年36期
关键词:青光眼

熊云帆 李琴

[摘要] 目的 研究视网膜神经节细胞复合体(mGCC)厚度与神经纤维层(pRNFL)厚度的相关性及对新生血管性青光眼(NVG)的影响。 方法 选取2016年5月~2019年5月昆明医科大学第一附属医院接受傅里叶光学相干断层扫描术(FD-OCT)检查的NVG患者40例作为NVG组,选取同期接受FD-OCT检查的正常人群40名作为正常组,比较两组mGCC厚度、pRNFL厚度,Pearson积距相关分析两者相关性,并评估其對NVG的诊断效力。 结果 NVG组平均GCC、上方GCC、下方GCC厚度,平均RNFL、颞侧RNFL、上方RNFL、鼻侧RNFL、下方RNFL厚度均低于正常组,差异均有统计学意义(均P < 0.05)。Pearson积距相关分析显示,各部位mGCC厚度与pRNFL厚度均呈正相关。且各部位mGCC厚度和pRNFL厚度对NVG均有诊断效力(P < 0.01)。 结论 在NVG诊断中,mGCC厚度可作为pRNFL厚度的一个重要补充手段,值得应用和推广。

[关键词] 青光眼;新生血管性青光眼;视网膜神经节细胞复合体;视网膜神经纤维层

[中图分类号] R775          [文献标识码] A          [文章编号] 1673-7210(2019)12(c)-0108-04

The relationship between retinal ganglion cell complex thickness and retinal nerve fiber layer thickness and its effect on neovascular glaucoma

XIONG Yunfan   LI Qin

Department of Ophthalmology, the First Affiliated Hospital of Kunming Medical University,Yunnan Province, Kunming   650000, China

[Abstract] Objective To research the relationship between the thickness of retinal ganglion cell complex (mGCC) and retinal nerve fiber layer (pRNFL) and its effect on neovascular glaucoma. Methods From May 2016 to May 2019, 40 cases with NVG patients receiving fourier domain optical coherence tomography (FD-OCT) examination in the First Affiliated Hospital of Kunming Medical University were selected as NVG group. In the same period, 40 cases with normal persons receiving FD-OCT examination were selected as normal group. The mGCC thickness and pRNFL thickness were compared between two groups. Pearson accumulates correlation analysis was used to analyze the correlation between the mGCC thickness and pRNFL thickness. And the diagnostic effectiveness for NVG was evaluated. Results The thickness of GCC-average, GCC-superior, GCC-inferior and the thickness of RNFL-average, RNFL-temporal, RNFL-superior, RNFL-nasal, RNFL-inferior in NVG group were lower than those in normal group, and the differences were statistically significant (all P < 0.05). Pearson accumulates correlation analysis showed that mGCC thickness at all sites were positively correlated with pRNFL thickness. mGCC thickness and pRNFL thickness at all sites have diagnostic effect on NVG (P < 0.01). Conclusion In the diagnosis of NVG, mGCC thickness can be used as an important supplementary measure of pRNFL thickness, which is worthy of application and promotion.

[Key words] Glaucoma; Neovascular glaucoma; Retinal ganglion cell complex; Retinal nerve fiber layer

临床评价NVG的常用手段是RNFL厚度,鲜有学者分析mGCC厚度。为此,本研究分析mGCC厚度与RNFL厚度的相关性及其对NVG的影响。研究显示,NVG组GCC-a、GCC-s、GCC-i厚度均低于正常组(P < 0.05);NVG组RNFL-a、RNFL-t RNFL-s、RNFL-n、RNFL-i厚度均低于正常组(P < 0.05)。与许畅等[20]研究结果相似,提示mGCC厚度与RNFL厚度均能够反映NVG患者的病理改变,有助于NVG的尽早发现和诊断。

本研究结果显示,各部位mGCC与pRNFL厚度均呈正相关。提示将其用于诊断NVG患者具有较好的诊断效率。GCCs胞体尽管分布在大部分区域,但其仅为1层,在视盘周围有2~3层,但在黄斑区域却有8~10层。因而对NVG患者黄斑区的mGCC厚度进行检测非常必要。

研究结果还显示,各部位mGCC和pRNFL厚度对NVG均有诊断效力(P < 0.01)。pRNFL诊断效力为pRNFL-a厚度>pRNFL-s厚度>pRNFL-t厚度>pRNFL-n厚度>pRNFL厚度-i;而mGCC各个部位诊断效力相当。与Akcay等[21]研究结果相似。

综上所述,在NVG诊断中,mGCC厚度可作为pRNFL厚度的一个重要补充手段,值得应用和推广。

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