Amir Sternfeld1,2, Safa Rahmani3,4, Jennifer L Rossen3,4, David L Zhang3, Yuping D Li3,5,6, Victor L Quan3,5,7, Russell Huang4, Hawke H Yoon8,9. 1. Ophthalmology Unit, Schneider Children's Medical Center of Israel, Petach Tikva, Israel. 2. Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel. 3. Division of Ophthalmology, Ann & Robert H. Lurie Children's Hospital of Chicago, 225 E. Chicago, Box 70, Chicago, IL, 60611, USA. 4. Department of Ophthalmology, Northwestern Feinberg School of Medicine, Chicago, IL, USA. 5. Northwestern University Feinberg School of Medicine, Chicago, IL, USA. 6. Department of Neurosurgery, Washington University School of Medicine, St. Louis, MO, USA. 7. Department of Dermatology, Northwestern Feinberg School of Medicine, Chicago, IL, USA. 8. Division of Ophthalmology, Ann & Robert H. Lurie Children's Hospital of Chicago, 225 E. Chicago, Box 70, Chicago, IL, 60611, USA. HYoon@luriechildrens.org. 9. Department of Ophthalmology, Northwestern Feinberg School of Medicine, Chicago, IL, USA. HYoon@luriechildrens.org.
Abstract
PURPOSE: To report long-term fluorescein angiography (FA) findings in consecutive patients with type 1 retinopathy of prematurity (ROP) treated with intravitreal bevacizumab (IVB), whose ROP seemed to have resolved clinically. METHODS: Data were retrospectively collected for all patients with IVB-treated type 1 ROP who underwent an exam under anesthesia (EUA) and FA at 60 weeks post-gestational age (PGA) or older at a tertiary medical center between 2011 and 2020. FA results were reviewed for pathological vascular findings. RESULTS: Twenty-nine eyes of 16 patients were included. Mean gestational age and birth weight were 25.3 ± 1.5 weeks and 762.2 ± 189.8 g, respectively. The mean age at the time of EUA and FA was 23.4 ± 15.8 months. All eyes had a peripheral avascular zone and irregular peripheral branching. Vascular loops were seen in 27 eyes (93.1%) and vascular bulbs and anastomoses in 16 eyes each (55.2%). Additional abnormal findings included leakage (10 eyes, 34.5%), vessels crossing the fovea (5 eyes, 17.2%), tortuous arteries and veins (9 eyes, 31%, and 5 eyes, 17.2%, respectively), and neovascularization (2 eyes, 6.9%). When comparing patients who were less than or greater than 70 weeks PGA at follow-up, FA findings in the group with shorter follow-up were significant for more anastomoses and vascular bulbs (p = 0.002 and p = 0.024, respectively) and trended towards more leakage (45.5% vs. 27.8%, p = 0.331). CONCLUSION: The vast majority of IVB-treated type 1 ROP eyes suffered from vascular pathologies long after treatment. There may be long-term progression in the vascularization process of the retina in some cases.
PURPOSE: To report long-term fluorescein angiography (FA) findings in consecutive patients with type 1 retinopathy of prematurity (ROP) treated with intravitreal bevacizumab (IVB), whose ROP seemed to have resolved clinically. METHODS: Data were retrospectively collected for all patients with IVB-treated type 1 ROP who underwent an exam under anesthesia (EUA) and FA at 60 weeks post-gestational age (PGA) or older at a tertiary medical center between 2011 and 2020. FA results were reviewed for pathological vascular findings. RESULTS: Twenty-nine eyes of 16 patients were included. Mean gestational age and birth weight were 25.3 ± 1.5 weeks and 762.2 ± 189.8 g, respectively. The mean age at the time of EUA and FA was 23.4 ± 15.8 months. All eyes had a peripheral avascular zone and irregular peripheral branching. Vascular loops were seen in 27 eyes (93.1%) and vascular bulbs and anastomoses in 16 eyes each (55.2%). Additional abnormal findings included leakage (10 eyes, 34.5%), vessels crossing the fovea (5 eyes, 17.2%), tortuous arteries and veins (9 eyes, 31%, and 5 eyes, 17.2%, respectively), and neovascularization (2 eyes, 6.9%). When comparing patients who were less than or greater than 70 weeks PGA at follow-up, FA findings in the group with shorter follow-up were significant for more anastomoses and vascular bulbs (p = 0.002 and p = 0.024, respectively) and trended towards more leakage (45.5% vs. 27.8%, p = 0.331). CONCLUSION: The vast majority of IVB-treated type 1 ROP eyes suffered from vascular pathologies long after treatment. There may be long-term progression in the vascularization process of the retina in some cases.
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