Internal limiting membrane dragging and peeling: a modified technique for macular holes closure surgery
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Pei-Quan Zhao. Department of Ophthalmology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China. zhaopeiquan@126.com; zhaopeiquan@xinhuamed.com.cn.

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Supported by the National Natural Science Foundation of China (No.81470642; No.81770964); the Science and Technology Commission of Shanghai Municipality (No.17411952900).

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    Abstract:

    AIM: To introduce a modified technique of internal limiting membrane (ILM) centripetal dragging and peeling to treat idiopathic macular hole (IMH) and to observe the ILM-retina adhesive forces. METHODS: Twenty-six consecutive patients with stage 3 to 4 IMH and followed up at least six months were enrolled. All patients underwent complete par plana vitrectomy, ILM dragging and peeling, fluid and gas exchange, 15% C3F8 tamponade and 2-week prone position. The best corrected visual acuity, macular hole evaluation by optical coherence tomography, and complications were evaluated. RESULTS: The mean diameter of IMH was 524±148 μm (range: 201-683 μm), with 21 cases (80.8%) greater than 400 μm. ILM dragging and peeling were successfully performed in all cases. Most of the ILM-retina adhesive forces are severe (42.3%, 11/26), followed by mild (38.5%, 10/26), and moderate (19.2%, 5/26). The mean follow-up duration was 21.2±6.1mo. The IMH was closed in 25 (96.3%) eyes. Visual acuity (logMAR) improved significantly from 1.2±0.6 preoperatively to 0.7±0.5 postoperatively (P<0.001). CONCLUSION: Preexisting ILM-retina adhesive force is found in IMH patients. With assistance of this force, this modified technique may help to release the IMH edges and improve the closure rate of large IMH.

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Jie Peng, Li-Hua Zhang, Chun-Li Chen, et al. Internal limiting membrane dragging and peeling: a modified technique for macular holes closure surgery. Int J Ophthalmol, 2020,13(5):755-760

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Publication History
  • Received:August 06,2019
  • Revised:March 10,2020
  • Adopted:
  • Online: March 30,2020
  • Published: