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. 2021 Dec 1;41(12):2531-2539.
doi: 10.1097/IAE.0000000000003250.

STRUCTURAL AND FUNCTIONAL MACULAR CHANGES AFTER RETINECTOMY FOR RETINAL DETACHMENT COMPLICATED BY PROLIFERATIVE VITREORETINOPATHY

Piergiacomo Grassi  1   2 , Saffron Melville  3 , Anu-Sree Hariprasad  3 , Stephen Winder  4 , Yashin Ramkissoon  4 , Kurt Spiteri-Cornish  4 , Raquel G Cabrera  4 , Siddharth Subramani  4 , Anand Chawla  4
Affiliations

STRUCTURAL AND FUNCTIONAL MACULAR CHANGES AFTER RETINECTOMY FOR RETINAL DETACHMENT COMPLICATED BY PROLIFERATIVE VITREORETINOPATHY

Piergiacomo Grassi et al. Retina. .

Abstract

Purpose: To report anatomical and functional outcomes of nonprimary retinectomy for rhegmatogenous retinal detachment with Grade C proliferative vitreoretinopathy, to assess the structural and functional macular changes in successful eyes.

Methods: Retrospective single-center cohort study: one hundred-one consecutive retinectomies of 101 eyes affected by rhegmatogenous retinal detachment with C proliferative vitreoretinopathy between January 2014 and February 2020 were included.

Results: The mean preoperative best-corrected visual acuity (BCVA) was 1.48 ± 0.71 logarithm of the minimal angle of resolution (20/604 Snellen equivalent). The anatomical success rate was 78.2% after one retinectomy and 83.1% after two retinectomies. The final BCVA ≥ 20/200 was achieved in 29% of cases, 8% gained ≥ 20/80. The final mean postoperative BCVA of successes with oil in situ was 1.68 ± 0.59 (20/957 Snellen equivalent) compared with 1.07 ± 0.63 logarithm of the minimal angle of resolution (20/235 Snellen equivalent) of successes after oil removal (P = 0.00005). Postoperative macular optical coherence tomography was obtained from 60/84 successes (71%). The normal macular profile was found in 3%, whereas majority demonstrated exudative maculopathy (51.5%), macular atrophy (22%), tractional maculopathy (21.5%), and macular disciform scar (2%). Bivariate linear relationship between final central foveal thickness and BCVA was statistically significant (P = 0.000013).

Conclusion: Satisfactory anatomical and functional outcome is possible after retinectomy for C proliferative vitreoretinopathy. Positive prognostic factors include the removal of oil without redetachment, normal macular status, and lower central foveal thickness. The functional outcome was influenced by macular changes, as final BCVA and central foveal thickness correlated.

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