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ORIGINAL ARTICLE
Year : 2015  |  Volume : 3  |  Issue : 1  |  Page : 1-9

360° laser retinopexy in preventing retinal re-detachment after 23-gauge vitrectomy for primary repair of retinal detachment


Department of Ophthalmology, Medical School, Cairo University, Cairo, Egypt

Correspondence Address:
Omar A Barrada
6 A Giza Street, Cairo
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2347-5617.179339

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Aims: To evaluate the role of intraoperative 360° laser retinopexy in the prevention of retinal re-detachment in cases of primary rhegmatogenous retinal detachment (RRD). Settings and Design: Prospective randomized controlled trial, 80 eyes of 80 patients with primary RRD. Subjects and Methods: Totally, 80 eyes of 80 patients with primary RRD will be divided into two groups. In Group (A), laser will be applied to all existing breaks as well as 360° laser retinopexy anterior to the equator will be performed while Group (B) laser will be applied only to the retinal breaks and will not receive the 360° laser treatment. Follow-up was for 3 months after clearance of the tamponading agent. Statistical Analysis Used: Backward logistic multi-regression analysis identified significant independent predictors of re-detachment (P < 0.01, Hosmer-Lemeshow, χ2: 7.593, P = 0.474). Results: Backward logistic multi-regression analysis identified significant independent predictors of re-detachment (P < 0.01, Hosmer-Lemeshow, χ2: 7.593, P = 0.474): Duration of detachment and preoperative visual acuity. Specifically, for every day more of duration of detachment, the odds of re-detachment increased by a factor of 1.007 (P < 0.01). Likewise, for every day more of duration of detachment, the odds of re-detachment was increased by a factor of 8.840 if a preoperative visual acuity of hand motion with bad projection (HMBP) or worse was present (P = 0.05). Conclusions: We concluded that prophylactic intraoperative 360° laser retinopexy did not have a statistically significant role in the prevention of retinal re-detachment after primary retinal repair. The statistically significant preoperative risk factors that have a poor prognostic effect on surgical outcomes are preoperative visual acuity of ≤ HMBP or worse and a longer duration of the retinal detachment.


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