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Microstructural morphology and visual acuity outcome in eyes with epiretinal membrane before,during,and after membrane peeling in intraoperative optical coherence tomography assisted macular surgery

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International Journal of Ophthalmology(English edition) 2023年第5期16卷 748-754页

作者： Melanie Weschta Moritz Pettenkofer Julian EKlaas nikolaus feucht Chris PLohmann Mathias Maier Department of Ophthalmology Klinikum rechts der IsarTechnische Universität MünchenIsmaninger Str.22Munich 81675Germany Jules Stein Eye Institute University of California Los Angeles100 Stein Plaza DrivewayLos AngelesCalifornia 90095USA Department of Ophthalmology Ludwig-Maximilians-Universität MünchenMathildenstr.8Munich 80336Germany Smile Eyes Augenklinik Munich Airport Terminalstraße Mitte 18Munich 85356Germany

AIM:To measure the difference of intraoperative central macular thickness(CMT)before,during,and after membrane peeling and investigate the influence of intraoperative macular stretching on postoperative best corrected visual acuity(BCVA)outcome and postoperative CMT ***:A total of 59 eyes of 59 patients who underwent vitreoretinal surgery for epiretinal membrane was *** with intraoperative optical coherence tomography(OCT)were *** of intraoperative CMT before,during,and after peeling was ***-and postoperatively obtained BCVA and spectral-domain OCT images were ***:Mean age of the patients was 70±8.13y(range 46-86y).Mean baseline BCVA was 0.49±0.27 log MAR(range 0.1-1.3).Three and six months postoperatively the mean BCVA was 0.36±0.25(P=0.01 vs baseline)and 0.38±0.35(P=0.08 vs baseline)log MAR *** stretch of the macula during surgery was 29%from baseline(range 2%-159%).Intraoperative findings of macular stretching did not correlate with visual acuity outcome within 6mo after surgery(r=-0.06,P=0.72).However,extent of macular stretching during surgery significantly correlated with less reduction of CMT at the fovea centralis(r=-0.43,P<0.01)and 1 mm nasal and temporal from the fovea(r=-0.37,P=0.02 and r=-0.50,P<0.01 respectively)3mo ***:The extent of retinal stretching during membrane peeling may predict the development of postoperative central retinal thickness,though there is no correlation with visual acuity development within the first 6mo postoperatively.

关键词： retinal imaging treatment surgery intraoperative optical coherence tomography epiretinal membrane

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Multimodal imaging in acute retinal ischemia: spectral domain OCT, OCT-angiography and fundus autofluorescence

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International Journal of Ophthalmology(English edition) 2018年第9期11卷 1521-1527页

作者： nikolaus feucht Daniel Zapp Lukas Reznicek Chris P.Lohmann Mathias Maier Christian S.Mayer Department of Ophthalmology Technical University of Munich

AIM： To describe retinal findings of various imaging modalities in acute retinal ischemia. METHODS： Fluorescein angiography（FA）, spectral domain optical coherence tomography（SD-OCT）, OCTangiography（OCT-A） and fundus autofluorescence（FAF） images of 13 patients（mean age 64y, range 28-86y） with acute retinal ischemia were evaluated. Six suffered from branch arterial occlusion, 2 had a central retinal artery occlusion, 2 had a combined arteriovenous occlusions, 1 patient had a retrobulbar arterial compression by an orbital haemangioma and 2 patients showed an ocular ischemic ***： All patients showed increased reflectivity and thickening of the ischemic retinal tissue. In 10 out of 13 patients SD-OCT revealed an additional highly reflective band located within or above the outer plexiform layer. Morphological characteristics were a decreasing intensity with distance from the fovea, partially segmental occurrence and manifestation limited in time. OCT-A showed a loss of flow signal in the superficial and deep capillary plexus at the affected areas. Reduced flow signal was detected underneath the regions with retinal edema. FAF showed areas of altered signal intensity at the posterior pole. The regions of decreased FAF signal corresponded to peri-venous regions. CONCLUSION： Multimodal imaging modalities in retinal ischemia yield characteristic findings and valuable diagnostic information. Conventional OCT identifies hyperreflectivity and thickening and a mid-retinal hyperreflective band is frequently observed. OCT-A examination reveals demarcation of the ischemic retinal area on the vascular level. FAF shows decreased fluorescence signal in areas of retinal edema often corresponding to peri-venous regions.

关键词： optical coherence tomography optical coherence tomography-angiography acute retinal ischemia retinal morphology retinal blood flow multimodal retinal imaging

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Structure-function relationship comparison between retinal nerve fibre layer and Bruch's membrane opening-minimum rim width in glaucoma

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International Journal of Ophthalmology(English edition) 2017年第10期10卷 1534-1538页

作者： Lukas Reznicek Sophie Burzer Andrea Laubichler Ali Nasseri Chris P Lohmann nikolaus feucht Michael Ulbig Mathias Maier Department of Ophthalmology Technical University of Munich

AIM：To evaluate and compare structural optical coherence tomography（OCT）-based parameters,such as Bruch’s membrane opening-minimum rim width（BMO-MRW）,and retinal nerve fiber layer（RNFL）thickness in glaucoma patients with visual field（VF）defects,and to correlate both to mean deviation（MD）values of obtained standard achromatic perimetry（SAP）***：Patients with glaucoma and glaucomatous VF defects were enrolled in this prospective study and compared to age-matched healthy *** study participants underwent a full ophthalmic examination and VF testing with *** RNFL thickness and BMO-MRW were acquired with *** analyses between obtained global functional and global as well as sectorial structural parameters were ***：A consecutive series of 30 glaucomatous right eyes of 30 patients were included and compared to 36healthy right eyes of 36 individuals in the control *** MD of values correlated significantly with global RNFL（Pearson ***：0.632,P=0.001）and global BMO-MRW（Pearson ***：0.746,P〈0.001）values in the glaucoma *** MD and sectorial RNFL or BMO-MRW values correlated less *** the control group,MD values did not correlate with RNFL or BMO-MRW measurements.A subgroup analysis of myopic patients（〉4 diopters）within the glaucoma group（n=6）revealed a tendency for higher correlations between MD and BMO-MRW than MD and RNFL ***：In a clinical setting,RNFL thickness and BMO-MRW correlate similarly with global VF sensitivity in glaucoma patients with BMO-MRW showing higher correlations in myopic glaucoma patients.

关键词： glaucoma optical coherence tomography Bruch's membrane opening-minimum rim width retinal nerve fibre layer myopia standard automated perimetry visual field defects

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