Journal List > J Korean Ophthalmol Soc > v.50(11) > 1008433

Song, Sohn, Lee, and Nam: Tractional Retinal Detachment After Intravitreal Bevacizumab (Avastin®) Injection in Proliferative Diabetic Retinopathy

Abstract

Purpose

To report two cases of tractional retinal detachment after intravitreal bevacizumab injection.

Case summary

(Case 1) A 48-year-old female with insulin-dependent diabetes mellitus and a high HbA1c level came to our clinic for fundus evaluation. The best corrected visual acuity (BCVA) was 1.0 in the right eye and funduscopic examination of the right eye revealed proliferative diabetic retinopathy with preretinal hemorrhage and a mild fibrovascular proliferative membrane around the optic disc. Intravitreal bevacizumab injection (1.25 mg) was performed before starting panretinal photocoagulation (PRP) to prevent macular edema after PRP. Three days after the injection, visual acuity decreased to 0.3 and funduscopic findings showed tractional retinal detachment. Vitrectomy was performed and visual acuity recovered to 1.0 four months after operation.
(Case 2) A 42-year-old male with insulin-dependent diabetes mellitus and a high HbA1c level came to our clinic for fundus evaluation. BCVA was 0.5 in the right eye and funduscopic examination of the right eye revealed proliferative diabetic retinopathy with vitreous hemorrhage and a mild fibrovascular proliferative membrane around the optic disc. Intravitreal bevacizumab injection (1.25 mg) was performed before starting panretinal photocoagulation (PRP) to prevent macular edema after PRP. One month after the injection, visual acuity decreased to 0.1 and funduscopic findings showed tractional retinal detachment. Vitrectomy, intravitreal silicone oil injection, and sequential silicone oil removal were performed and visual acuity recovered to 0.6 at the final examination.

Conclusions

Intravitreal bevacizumab injection may cause tractional retinal detachment in poorly controlled insulin-dependent diabetes mellitus patients with fibrovascular proliferative membranes.

References

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Figure 1.
Fundus photography and optical coherence tomography of case 1 (A) At the initial visit, mild proliferative fibrovascular membrane and neovascularization around the optic disc and preretinal hemorrhage were seen in fundus photography. No macular edema was noted in OCT. (B) At one week after intravitreal bevacizumab injection, regressed but contractured fibrovascular proliferative membrane, tractional retinal detachment involving the fovea, decreased preretinal hemorrhage was seen in fundus photography. Tractional retinal detachment was noted in OCT. (C) At postoperative four months, well attached retina was seen in fundus photography and OCT.
jkos-50-1751f1.tif
Figure 2.
Fundus photography and optical coherence tomography of case 2 (A) At the initial visit, fibrovascular proliferative membrane around the optic disc, neovascularization at the disc and elsewhere, vitreous hemorrhage, macular edema were seen in fundus photography. No macular edema was noted in OCT. (B) At one month after intravitreal bevacizumab injection, dense fibrous tissue contraction, tractional retinal detachment, decreased vitreous hemorrhage were seen in fundus photography. Tractional retinal detachment was noted in OCT. (C) At three months after silicone oil removal, well attached retina was seen in fundus photography and OCT.
jkos-50-1751f2.tif
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