Sub-perfluoro-n-octane injection of ocular viscoelastic device assisted inverted internal limiting membrane flap for macular hole retinal detachment surgery: a novel technique

Author:

Lai Chi-Chun,Wu An-Lun,Chou Hung-Da,Teh Wee Min,Chen Kuan-Jen,Chen Yen-Po,Liu Laura,Hwang Yih-Shiou,Wu Wei-Chi

Abstract

Abstract Background To evaluate the feasibility of a surgical technique using a sub-perfluoro-n-octane (PFO) injection of ocular viscoelastic device (OVD) to stabilize inverted internal limiting membrane (ILM) flap for the treatment of macular hole retinal detachment (MHRD). Methods This study was a retrospective, consecutive, interventional case series. Patients who underwent MHRD surgery with sub-PFO injection of OVD to stabilize inverted ILM flap onto the macular hole (MH) were reviewed. The color fundus and optical coherence tomography (OCT) images were collected and evaluated. The best-corrected visual acuity (BCVA) before and after surgery were compared as the functional outcome. Results The study included 8 eyes of 8 consecutive patients (mean age: 61.8 ± 7.1 years; mean follow-up period: 9.0 ± 2.5 months). All eyes (100%) achieved successful MH closure; 7 eyes (87.5%) demonstrated complete retinal reattachment, and 1 eye (12.5%) had minimal residual subretinal fluid parafoveally. Of the 8 patients, 7 patients (87.5%) had achieved improvement in BCVA after the primary surgery, whereas 1 eye remained stable. The average BCVA before and after the surgery at the last visit improved from 20/843 (1.63 ± 0.48 logMAR) to 20/200 (1.00 ± 0.39 logMAR) (P = 0.016). Anatomically, near-normal foveal contour was noted in five (62.5%) eyes at the final follow-up. Conclusions The use of sub-PFO injection of OVD in MHRD surgery could stabilize inverted ILM flaps, achieve good anatomical results and improve postoperative BCVA.

Funder

Chang Gung Memorial Hospital, Linkou

Publisher

Springer Science and Business Media LLC

Subject

Ophthalmology,General Medicine

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