Incomplete fluid-air exchange technique for idiopathic macular hole surgery

• 作者: Bo-Jie Hu Rui Niu Teng Ma Wei-Na Cui Wen-Bo Li Xing-Dong Shi Xue-Li Du Yan-HuaHe Yong Wang Yu-Wen Chang
• 来源期刊: 国际眼科杂志:英文版
• 学科: 医学
• 关键词: best-corrected VISUAL ACUITY ELECTRORETINOGRAPHY internal limiting membrane MACULAR hole fluid-air exchange VISUAL field defect
• 年，卷（期）: gjykzzywb_2019,（10）
• 页码范围: 1582-1588
• 页数: 7页
• 分类号: R779.6

摘要

AIM: To explore an improved procedure involving incomplete fluid-air exchange for idiopathic macular hole(IMH), and the closure rate, visual function, and the visual field of macular holes(MHs) were evaluated.METHODS: This prospective randomized controlled study, included 40 eyes of 40 patients with IMH who were treated with pars plana vitrectomy and peeling of the internal limiting membrane. They were grouped by random digital table. Twenty-one eyes underwent incomplete fluidair exchange(IFA) and 19 eyes underwent traditional complete fluid-air exchange(CFA) as the control group. Outcomes included best-corrected visual acuity(BCVA), intraocular pressure, and optical coherence tomography, light adaptive electroretinography, and visual field evaluations.RESULTS: All MHs <400 μm were successfully closed. BCVAs before and 6 mo after surgery were 0.82±0.41 logMAR and 0.28±0.17 logMAR in IFA group and 0.86±0.34 logMAR and 0.34±0.23 logMAR in CFA group, respectively. The electroretinogram analysis of patients in IFA group revealed increases in b-wave amplitudes at 1, 3, and 6 mo after surgery. Additionally, patients in IFA group showed an amplitude increase of 28.6% from baseline at 6 mo(P<0.05), while no obvious improvements were noted in CFA group. Although there were no statistically significant improvements in either group, the IFA group showed a slight increase in mean sensitivity(P>0.05).CONCLUSION: IFA is a reliable method that offers comparable closure rate to CFA and facilitates improvements in visual function.