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Outer retinal tubulations

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1	Evaluation of outer retinal tubulations in eyes switched from intravitreal ranibizumab to aflibercept for treatment of exudative age-related macular degeneration. Graefes Arch Clin Exp Ophthalmol 2016;255:61-67. [PMID: 27397583 DOI: 10.1007/s00417-016-3423-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 06/05/2016] [Accepted: 06/22/2016] [Indexed: 10/21/2022] Open Abstract PURPOSE To evaluate the changes of outer retinal tubulations (ORTs) as seen on spectral-domain optical coherence tomography (SD OCT) in eyes with neovascular age-related macular degeneration (AMD) where treatment was switched from intravitreal ranibizumab to intravitreal aflibercept. METHODS This was a prospective study of eyes diagnosed with neovascular AMD and previously treated with >6 intravitreal ranibizumab injections and switched to aflibercept, conducted at a single centre (Department of Ophthalmology at Pitié Salpetriere Hospital, Paris VI University) from January to July 2015. Before and after treatment was switched from ranibizumab to aflibercept, SD-OCT was used to evaluate the presence of ORTs. Additional assessments in this patient group included best-corrected visual acuity (BCVA), fluorescein angiography (FA), indocyanine green angiography (ICGA). Changes in pigment epithelium detachments (PED), presence of intraretinal cysts, and presence of subretinal fluid (SRF) were also noted. RESULTS Twenty-four eyes of 24 consecutive patients (15 female/nine male, mean age 70 years) diagnosed with neovascular AMD and previously treated with >6 intravitreal ranibizumab injections and switched to aflibercept were included in the analysis. After receiving aflibercept, patients were followed for a mean of 6.1 months. Prior to treatment switch, 97 % of eyes showed ORTs, while after treatment switch to aflibercept, at the end of the study period, 75 % had ORTs (p = 0.219). Changes in BCVA (LogMAR) were not statistically significant (1.16 ± 0.44 to 1.18 ± 1.06, p = 0.12), however, a significant reduction in central macular thickness (CMT) (from 406 μm ± 112 to 263 μm ± 68, p = 0.001), PED (from 70.8 % to 41.7 % , p = 0.016), presence of intraretinal cysts (from 83.3 % to 33.3 %, p = 0.002) and SRF (from 91.7 % to 25 %, p = 0.001 ) were noted. CONCLUSION After switching from ranibizumab treatment to aflibercept, ORTs remained present in 75 % of eyes, and significant reductions in CMT, PED, and SRF, and presence of intraretinal cysts were observed. Collapse Key Words Aflibercept Anti-VEGF Exudative AMD Outer retinal tubulations Ranibizumab SD-OCT Collapse MESH Headings Collapse Grants Collapse

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Evaluation of outer retinal tubulations in eyes switched from intravitreal ranibizumab to aflibercept for treatment of exudative age-related macular degeneration. Graefes Arch Clin Exp Ophthalmol 2016;255:61-67. [PMID: 27397583 DOI: 10.1007/s00417-016-3423-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 06/05/2016] [Accepted: 06/22/2016] [Indexed: 10/21/2022] Open

Abstract

PURPOSE

To evaluate the changes of outer retinal tubulations (ORTs) as seen on spectral-domain optical coherence tomography (SD OCT) in eyes with neovascular age-related macular degeneration (AMD) where treatment was switched from intravitreal ranibizumab to intravitreal aflibercept.

METHODS

This was a prospective study of eyes diagnosed with neovascular AMD and previously treated with >6 intravitreal ranibizumab injections and switched to aflibercept, conducted at a single centre (Department of Ophthalmology at Pitié Salpetriere Hospital, Paris VI University) from January to July 2015. Before and after treatment was switched from ranibizumab to aflibercept, SD-OCT was used to evaluate the presence of ORTs. Additional assessments in this patient group included best-corrected visual acuity (BCVA), fluorescein angiography (FA), indocyanine green angiography (ICGA). Changes in pigment epithelium detachments (PED), presence of intraretinal cysts, and presence of subretinal fluid (SRF) were also noted.

RESULTS

Twenty-four eyes of 24 consecutive patients (15 female/nine male, mean age 70 years) diagnosed with neovascular AMD and previously treated with >6 intravitreal ranibizumab injections and switched to aflibercept were included in the analysis. After receiving aflibercept, patients were followed for a mean of 6.1 months. Prior to treatment switch, 97 % of eyes showed ORTs, while after treatment switch to aflibercept, at the end of the study period, 75 % had ORTs (p = 0.219). Changes in BCVA (LogMAR) were not statistically significant (1.16 ± 0.44 to 1.18 ± 1.06, p = 0.12), however, a significant reduction in central macular thickness (CMT) (from 406 μm ± 112 to 263 μm ± 68, p = 0.001), PED (from 70.8 % to 41.7 % , p = 0.016), presence of intraretinal cysts (from 83.3 % to 33.3 %, p = 0.002) and SRF (from 91.7 % to 25 %, p = 0.001 ) were noted.

CONCLUSION

After switching from ranibizumab treatment to aflibercept, ORTs remained present in 75 % of eyes, and significant reductions in CMT, PED, and SRF, and presence of intraretinal cysts were observed.

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