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find Keyword "Antibodies,monoclonal/drug effects" 1 results
  • Intravitreal injection with bevacizumab combined with extra panretinal photocoagulation for highrisk proliferative diabetic retinopathy

    Objective To evaluate the therapeutic effect of intravitreal injection with bevacizumab (Avastin) (IVB)combined with extra panretinal photocoagulation (E-PRP) for highrisk proliferative diabetic retinopathy (PDR).Methods A total of 57 eyes of 53 patients with highrisk PDR underwent intravitreal injection combined with E-PRP. The examinations of vision acuity, intraocular pressure, iris fluorescein angiography (IFA),fundus photos and fundus fluorescein angiography (FFA) were performed on all of the patients before and 1,2,3,and 6 months after the treatment; the results of the examinations before and after the treatment were compared and analyzed.The average follow up was 6 months.Results The mean visual acuity was (0.143plusmn;0.072) before the treatment and (0.218plusmn;0.128) 7 days after the tretment; the difference was significant (t=-7.940, Plt;0.05). The mean visual acuity 1,3,and 6 months after E-PRP (0.228plusmn;0.138, 0.223plusmn;0.125,0.220plusmn;0.134, respectively) differed much from that before IVB (Plt;0.05), but not so much from that after IVB (Pgt;0.05).The mean intraocular pressure of 21 eyes which had the neovascularization of pupil margin and iris surface before and 7 days after IVB was (26.632plusmn;2.629) and (19.316plusmn;3.092) mm Hg(1 mm Hg=0.133 kPa), respectively; the difference was significant (t=12.838, Plt;0.05) . The mean intraocular pressure 1,3,and 6 months after E-PRP was (16.947plusmn;2.345),(16.474plusmn;1.611), and (16.421plusmn;4.702) mm Hg, respectively, which differed much from that before and after IVB (Plt;0.05). Neovascularization on the disc and the retinae of 57 eyes were subsided partly, and a significant reduction or disappeared of the area of retinal neovascularization and the blood vessel leakage were observed 7 days after IVB. The neovascularization of pupil margin and iris surface of 21 eyes disappeared, and the IFA leakage decreased. The results of FFA 2 months after E-PRP showed that the one-off efficiency of E-PRP was 68.4%;12 eyes (21.1%) needed an additional laser, in which 6 eyes (10.5%) underwent vitreous surgery. Conclusion IVB combined with E-PRP as a treatment for highrisk PDR may improve the regression of retinal neovascularization and the reduction of vascular permeability,and prevent or reduce the complications and improve the therapeutic effect.

    Release date:2016-09-02 05:40 Export PDF Favorites Scan
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