chorioretinal anastomosis
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2021 ◽  
Vol 6 (1) ◽  
pp. e000728
Author(s):  
Ian L McAllister ◽  
Lynne A Smithies ◽  
Fred K Chen ◽  
David A Mackey ◽  
Paul G Sanfilippo

ObjectiveTo evaluate the functional benefits (best corrected visual acuity (BCVA), central subfield thickness, injection loads, central venous pressure (CVP)) of a laser-induced chorioretinal anastomosis (L-CRA) in patients with central retinal vein occlusion (CRVO) treated with ranibizumab compared with ranibizumab monotherapy.Methods and AnalysisThis is a post-hoc analysis of the 2-year randomised ranibizumab plus L-CRA for CRVO trial. Twenty-four patients (82.5%) developed a functioning or successful L-CRA; outcome effects were monitored in the monthly as-needed ranibizumab phase from months 7 to 24 and compared with the ranibizumab monotherapy group (n=29).ResultsFrom months 7 to 24, the mean (95% CI) injection load for the functioning L-CRA group was 2.18 (1.57 to 2.78) compared with 7.07 (6.08 to 8.06) for the control group (p<0.0001). The mean BCVA was averaged across all timepoints between the control and functioning L-CRA groups (average difference=11.46 (3.16 to 19.75) letters, p=0.01). At 2 years, there was an 82.5% reduction in the odds of high CVP (greater or equal to central retinal artery diastolic pressure) for those with a successful L-CRA compared with controls (p<0.0001).ConclusionFor patients with CRVO, adding L-CRA as a causal-based treatment to conventional therapy reduced CVP and injection loads and offered improved BCVA.Trial registration number ACTRN12612000004864.


2019 ◽  
Vol 4 (1) ◽  
pp. 69-74
Author(s):  
Youning Zhang ◽  
Jennifer Danesh ◽  
Kyle M. Green ◽  
Ryan J. Schmidt ◽  
Jaclyn Biegel ◽  
...  

Purpose: This case report discusses a case of bilateral chorioretinal anastomoses in autosomal recessive bestrophinopathy (ARB) unresponsive to antivascular endothelial growth factor therapy and its associated optical coherence tomography angiography (OCTA) findings. Methods: An observational case report is presented. Results: An 8-year-old girl initially presented at age 2 years with multifocal midperipheral yellow subretinal deposits with intraretinal and subretinal fluid. She was treated with intravitreal injections of bevacizumab in both eyes with minimal response. OCTA revealed the presence of choroidal neovascularization and chorioretinal anastomoses. Molecular diagnosis of ARB was achieved with the identification of compound heterozygous mutations in BEST1, including a silent exonic splicing mutation. Conclusions: Subretinal or intraretinal fluid in ARB may be exacerbated by the presence of chorioretinal anastomosis detected on OCTA. Silent exonic mutations that cause no amino acid change can be overlooked but are pathogenic in ARB.


2018 ◽  
Vol 2 (2) ◽  
pp. 127 ◽  
Author(s):  
Riccardo Sacconi ◽  
Francesco Bandello ◽  
Giuseppe Querques

2017 ◽  
Vol 38 (5) ◽  
pp. 2149-2151
Author(s):  
Reema Bansal ◽  
Varshitha Hemanth ◽  
Samyak Mulkutkar ◽  
Ramandeep Singh ◽  
Vishali Gupta ◽  
...  

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