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Double Internal Limiting Membrane Insertion for Macular Hole-Associated Retinal Detachment.

ABSTRACT:

Purpose

To describe a modified technique of internal limiting membrane (ILM) insertion for macular hole- (MH-) associated retinal detachment (RD) in highly myopic eyes.

Methods

Nine eyes underwent pars plana vitrectomy, cortical vitreous removal, and fovea-sparing ILM peeling. Double ILM insertion into the hole was performed with inverted perifoveal ILM and a free ILM flap followed by air-fluid exchange.

Results

Two of the 9 eyes had perifoveal ILM partially torn after cortical vitreous or epiretinal removal. All eyes had the ILM plug stabilized within the MH after double ILM insertion. Postoperatively, MH was sealed with the retina reattached in all the eyes.

Conclusion

Double ILM insertion may further secure the ILM flap in place in the eyes with MH-associated RD, especially in cases in which insufficient perifoveal ILM was left. This trial is registered with the clinical registration number Clinicaltrials.gov NCT03174639.

SUBMITTER: Chen SN

PROVIDER: S-EPMC5560081 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Double Internal Limiting Membrane Insertion for Macular Hole-Associated Retinal Detachment.

Chen San-Ni SN Yang Chung-May CM

Journal of ophthalmology 20170730

<h4>Purpose</h4>To describe a modified technique of internal limiting membrane (ILM) insertion for macular hole- (MH-) associated retinal detachment (RD) in highly myopic eyes.<h4>Methods</h4>Nine eyes underwent pars plana vitrectomy, cortical vitreous removal, and fovea-sparing ILM peeling. Double ILM insertion into the hole was performed with inverted perifoveal ILM and a free ILM flap followed by air-fluid exchange.<h4>Results</h4>Two of the 9 eyes had perifoveal ILM partially torn after cort ...[more]

PMID: 28845304

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Inverted internal limiting membrane insertion combined with air tamponade in the treatment of macular hole retinal detachment in high myopia: study protocol for a randomized controlled clinical trial.

Project description:BackgroundMacular hole retinal detachment (MHRD) occurs most commonly in high myopia and causes severe visual impairment and greatly reduces the quality of life. The aim of this study is to evaluate the efficacy and safety of inverted internal limiting membrane insertion combined with air tamponade in the treatment of MHRD in high myopia, and also to compare the treatment efficacy with that of the conventional "vitrectomy plus internal limiting membrane peeling plus silicone oil tamponade" method for high myopia-associated MHRD.Methods/designIn this clinical trial, 38 patients with MHRD in high myopia will be randomly assigned to two groups (Group 1: standard 3-port 23-gauge pars plana vitrectomy plus internal limiting membrane peeling plus air-fluid exchange plus silicone oil infusion; Group 2: standard 3-port 23-gauge pars plana vitrectomy plus internal limiting membrane peeling plus inverted internal limiting membrane insertion plus air-fluid exchange). The primary outcome is macular hole closure rate in 3 months after the initial surgery. The secondary outcomes are best corrected visual acuity (BCVA), reattachment rate of retinal detachment, and postoperative complication rate.DiscussionThe study results may help to evaluate the efficacy and safety of inverted internal limiting membrane insertion combined with air tamponade in the treatment of MHRD in high myopia, and also compare the efficacy of the new treatment with the conventional "vitrectomy plus internal limiting membrane peeling plus silicone oil tamponade" method. This trial may provide a novel surgical treatment for MHRD in high myopia with more effectiveness and less pain.Trial registrationClinicalTrials.gov, NCT03383731 . Registered on 19 December 2017. Retrospectively registered.

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Surgical results of internal limiting membrane flap inversion and internal limiting membrane peeling for macular hole.

Project description:PurposeThe internal limiting membrane (ILM) is a normal part of the retina, and the outcomes of ILM removal have not been fully investigated. ILM flap inversion is a recently developed technique that increases the success rate of macular hole (MH) surgery. Thus, we compared the anatomical closure rate and visual outcome in patients undergoing microincision vitrectomy surgery (MIVS) with ILM flap inversion or conventional ILM peeling for the treatment of MH.MethodsThe medical records of 90 eyes with MH were reviewed retrospectively. The patients were classified into two groups based on MIVS procedure (group 1: ILM flap inversion, 46 eyes; group 2: ILM peeling, 44 eyes).ResultsPreoperative characteristics were similar in the two groups, and there were no significant differences in 1 month- or 6 month-postoperative VA between the groups (P = 0.25 and P = 0.42, respectively). However, the surgical success rate was significantly higher in group 1 than group 2 (P = 0.04; 46/46: 100% and 41/44: 93%, respectively). Multiple regression analysis revealed that axial length and MH diameter were independent factors predicting 6-month postoperative BCVA in group 2 (P = 0.001 and P = 0.03, respectively), and that MH diameter was an independent factor predicting 6-month postoperative VA in group 1 (P = 0.03). Logistic regression analysis revealed that axial length (OR = 2.11; P = 0.02; area under the curve: 0.94; cut off score: 28.4 mm) was an independent factor indicating surgical failure in group 2.ConclusionOur results suggest that MIVS with ILM flap inversion might be best suited to treat MH, particularly in patients with high myopia.

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The Role of Internal Limiting Membrane Flap for Highly Myopic Macular Hole Retinal Detachment: Improving the Closure Rate but Leading to Excessive Gliosis.

Project description:Purpose: To investigate the surgical outcomes of the inverted internal limiting membrane (ILM) flap technique for macular hole retinal detachment (MHRD) in high myopia. Methods: This was a retrospective interventional study on 45 highly myopic eyes with MHRD after ILM peeling (n = 24, peeling group) or the inverted ILM flap technique (n = 21, inverted group). The inverted group was consisted of autologous blood (AB) subgroup (n = 10) and perfluorocarbon liquid (PFCL) subgroup (n = 11). MH closure, best-corrected visual acuity (BCVA), foveal microstructures, and excessive gliosis were analyzed during a follow-up of over 12 months. Results: The inverted group achieved a higher MH closure rate (95.24%) than the peeling group (41.67%; p < 0.001). No significant difference was found in postoperative BCVA between the two groups (p = 0.98) or between the closed MH with or without excessive gliosis (p = 0.60). Excessive gliosis was identified in 9 eyes in the inverted group, and there was no difference in the incidence of excessive gliosis between the AB subgroup (4 in 10 eyes, 40%) and the PFCL subgroup (5 in 11 eyes, 45.45%) (p > 0.999). Conclusion: The inverted ILM flap technique was effective in MH closure but had no advantage in postoperative BCVA and microstructural restoration. Excessive gliosis was only detected in the inverted group but did not affect the postoperative BCVA. Additionally, the incidence of excessive gliosis was not affected by adjuvants.

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