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Clinical outcomes of endoscope-assisted vitrectomy for treatment of rhegmatogenous retinal detachment

Authors Yokoyama S, Kojima T, Mori T, Matsuda T, Sato H, Yoshida N, Kaga T, Smith RT, Ichikawa K

Received 29 July 2017

Accepted for publication 5 October 2017

Published 14 November 2017 Volume 2017:11 Pages 2003—2010


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 4

Editor who approved publication: Dr Scott Fraser

Sho Yokoyama,1 Takashi Kojima,2 Toshio Mori,3 Taisuke Matsuda,1 Hiroyuki Sato,3 Norihiko Yoshida,4 Tatsushi Kaga,1 R Theodore Smith,5 Kazuo Ichikawa6

1Department of Ophthalmology, Japan Community Healthcare Organization Chukyo Hospital, Nagoya, Japan; 2Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan; 3Department of Ophthalmology, Iida Municipal Hospital, Iida, Japan; 4Department of Ophthalmology, Japanese Red Cross Gifu Hospital, Gifu, Japan; 5Department of Ophthalmology, New York University School of Medicine, New York, NY, USA; 6Chukyo Eye Clinic, Nagoya, Japan

Summary: We evaluated the clinical outcomes for ophthalmic endoscope-assisted vitrectomy in consecutive patients with uncomplicated rhegmatogenous retinal detachment (RRD). The primary success rate was 98.4% (125/127) without performing a posterior drainage retinotomy or using perfluorocarbon liquids (PFCL) for subretinal fluid drainage.
Purpose: To investigate the clinical outcomes of endoscope-assisted vitrectomy in patients with uncomplicated RRD.
Methods: We examined 127 eyes from consecutive patients who underwent repair of RRD by 23- or 25-gauge endoscope-assisted vitrectomy, with a minimum follow-up of 3 months. Eyes with the following criteria were excluded: Giant retinal tears, grade C proliferative vitreoretinopathy, dense vitreous hemorrhage, retinal detachment secondary to other ocular diseases, and prior retinal or vitreous surgery. All cases underwent subretinal fluid drainage, endolaser photocoagulation and fundus inspection were performed under ophthalmic endoscopic observation. Success rate, visual acuity, surgery time and complications were evaluated.
Results: Primary and final success rate was 98.4% (125/127) and 100% (127/127), respectively, Surgery time was 59.6±26.3 minutes. The best-corrected visual acuity significantly improved from 20/100 to 20/20 (P<0.0001). There were 2 cases (1.6%) of creation of a peripheral drainage retinotomy and 4 cases (3.1%) of using PFCL to suppress movement of the detached retina, but there were no cases of creation of a posterior drainage retinotomy or using PFCL for subretinal fluid drainage. There was 1 case of presumed endophthalmitis after surgery. There were 12 hypotonous cases at postoperative day 1 and one of them needed additional scleral sutures at postoperative day 4 for prolonged hypotony.
Conclusion: The present study demonstrated the efficacy of endoscope-assisted vitrectomy for patients with uncomplicated RRD. To perform endoscope-assisted vitrectomy safely, sufficient closure of sclerotomies is necessary at the end of surgery.

Keywords: endoscope-assisted vitrectomy, endoscopic vitrectomy, ophthalmic endoscope, retinal detachment, rhegmatogenous retinal detachment

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