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Conbercept and Ranibizumab Pretreatments in Vitrectomy with Silicone Oil Infusion for Severe Diabetic Retinopathy.
Journal of Ocular Pharmacology and Therapeutics 2019 January 23
PURPOSE: We compared the efficacies of intravitreal ranibizumab (IVR) and intravitreal conbercept (IVC) as the adjuvant pretreatments for vitrectomy with silicone oil infusion for tractional retinal detachment (TRD) secondary to proliferative diabetic retinopathy.
METHODS: This retrospective study comprised 74 patients (79 eyes) who underwent vitrectomy with silicone oil tamponade for diabetic TRD. They received IVC (37 eyes) or IVR (42 eyes) at standard doses 3-5 days preoperatively and were followed up for ∼6 months. Anatomic success rate, intra- and postoperative complications, and visual outcomes were compared between both groups.
RESULTS: Initial (IVC vs. IVR: 97% vs. 98%) and final anatomic success rates (100% in each group) and mean visual acuity changes were not significantly different (P = 0.46). Intraoperative complications [iatrogenic retinal breaks (P = 0.58) and intraoperative bleeding (P = 0.66)], postoperative complications [fibrin formation (P = 0.51), postoperative preretinal bleeding (P = 0.88), progressing or persistent neovascular glaucoma (P = 0.63), progressive fibrovascular proliferation (P = 0.93), and recurrent retinal detachment (P = 0.93)], and surgical variables [surgical time (P = 0.53)] were similar between both groups.
CONCLUSIONS: Conbercept and ranibizumab are equally effective surgical adjuvants for vitrectomy with silicone oil infusion in patients with diabetic TRD.
METHODS: This retrospective study comprised 74 patients (79 eyes) who underwent vitrectomy with silicone oil tamponade for diabetic TRD. They received IVC (37 eyes) or IVR (42 eyes) at standard doses 3-5 days preoperatively and were followed up for ∼6 months. Anatomic success rate, intra- and postoperative complications, and visual outcomes were compared between both groups.
RESULTS: Initial (IVC vs. IVR: 97% vs. 98%) and final anatomic success rates (100% in each group) and mean visual acuity changes were not significantly different (P = 0.46). Intraoperative complications [iatrogenic retinal breaks (P = 0.58) and intraoperative bleeding (P = 0.66)], postoperative complications [fibrin formation (P = 0.51), postoperative preretinal bleeding (P = 0.88), progressing or persistent neovascular glaucoma (P = 0.63), progressive fibrovascular proliferation (P = 0.93), and recurrent retinal detachment (P = 0.93)], and surgical variables [surgical time (P = 0.53)] were similar between both groups.
CONCLUSIONS: Conbercept and ranibizumab are equally effective surgical adjuvants for vitrectomy with silicone oil infusion in patients with diabetic TRD.
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