International Journal of Ophthalmology | VOL. 15
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Changes in the peripapillary vasculature and macular thickness after cataract surgery using two phacoemulsification systems with optical coherence tomography angiography

Publication Date Jun 18, 2022

Abstract

AIM: To assess the changes in the peripapillary vasculature and macular thickness after cataract surgery using two phacoemulsification systems with optical coherence tomography angiography (OCTA). METHODS: Fifty-two eyes of 52 patients with age-related cataract were randomized into two groups for phacoemulsification: Infiniti group (26 patients) using the Infiniti phacoemulsification system with gravity-fluidics and Centurion group (26 patients) using the Centurion phacoemulsification system with active-fluidics. The peripapillary vessel density (PVD) and macular thickness were examined using OCTA at baseline and at 1d, 1 and 3mo after cataract surgery. RESULTS: In the Infiniti group, the PVD was significantly reduced at 1d after the cataract surgery (P<0.001). However, the retinal nerve fiber layer (RNFL) thickness showed no significant change during the follow-up. Change in PVD 1d postoperatively was significantly negatively correlated to the cumulative dissipated energy (CDE), estimated fluid usage (EFU), effective phacoemulsification time (EPT), intraocular pressure (IOP), and total operating time (TOT; P<0.05). The macular thickness was significantly increased in all regions after the cataract surgery (P<0.05). However, no significant changes were found in the macular vessel density (VD) during the follow-up (P>0.05). In the Centurion group, the VD and thickness in the optic papilla and macula did not significantly change in all regions during the follow-up (all P>0...

Concepts
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Peripapillary Vessel Density
Phacoemulsification System
Phacoemulsification Systems
Optical Coherence Tomography Angiography
Macular Thickness
Cataract Surgery
Peripapillary Vasculature
Effective Phacoemulsification Time
Cumulative Dissipated Energy
Retinal Nerve Fiber Layer

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