Macular vascularisation changes analysed using OCT angiography after successful rhegmatogenous retinal detachment repair
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Marie Hartmann. Department of Ophthalmology, Saarland University Medical Center, Building 22, Kirrbergerstra?e 100, Homburg/Saar 66421, Germany. marie.hartmann@uks.eu

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    Abstract:

    AIM: To analyse the macular vascularisation changes analysed using optical coherence tomography angiography (OCTA) after successful rhegmatogenous retinal detachment (RRD) repair by comparing gas vs silicone oil and macula-on vs macula-off. METHODS: This retrospective data collection included 77 eyes with RRD that underwent pars plana vitrectomy (PPV) and gas or silicone oil tamponade. We performed an OCTA during the postoperative control between 6 and 24mo after the last surgery and evaluated the main parameters measured by OCTA: foveal avascular zone (FAZ) and parafoveolar vascular density (PVD) in the superficial capillary plexus. The patients were divided into four groups: RRD with macular involvement treated with gas tamponade, RRD without macular involvement treated with gas tamponade, RRD with macular involvement treated with silicone oil tamponade and RRD without macular involvement treated with silicone oil tamponade. A one-way ANOVA test combined with post hoc Bonferroni corrections compared FAZ sizes and PVD in all four groups. RESULTS: The FAZ size was statistically significantly larger in eyes with RRD involving the macula than in those not involving it (P=0.005). There was no statistically significant difference in the FAZ sizes of the eyes treated with silicone oil tamponade compared to those treated with gas tamponade (P=0.54). There was no statistically significant difference in the PVD comparing all four groups. CONCLUSION: Despite the known risks associated with silicone oil, our findings suggest that the type of tamponade used during PPV to treat an RRD has no significant effect on the future integrity of the PVD or the size of the FAZ in the superficial capillary plexus as measured by OCTA.

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Marie Hartmann, Alaa Din Abdin, Doris Fraenkel, et al. Macular vascularisation changes analysed using OCT angiography after successful rhegmatogenous retinal detachment repair. Int J Ophthalmol, 2023,16(1):81-87

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Publication History
  • Received:April 13,2022
  • Revised:October 21,2022
  • Adopted:
  • Online: December 23,2022
  • Published: