Abstract
Background/Aims
Poor visual outcomes have recently been reported in black patients undergoing vitrectomy and delamination surgery for complications of proliferative diabetic retinopathy. We therefore investigated the outcome of surgery on a similar cohort of black patients and examined for potential predictors of visual success.
Methods
A single-centre retrospective case review of consecutive black patients who underwent vitrectomy and delamination surgery for complications of PDR between July 2010 and September 2017. The primary outcome measure was change in visual acuity (VA) at 6 months post-operatively. Multiple linear regression analysis was performed to evaluate determinants of change in VA.
Results
A total of 44 eyes of 44 patients were included. Mean age was 53.7 (range: 24.3–75.8) years. In all, 43% were male. A total of 52% had adjunctive pre-operative anti-VEGF therapy. Mean pre-operative VA was 1.49 logMAR ± 0.73 (range 0.18 to 2.6 logMAR). Mean change in VA at 6 months was a gain of 0.59 ± 0.94 logMAR (range 1.9 logMAR acuity loss to 2.5 logMAR acuity gain). Four cases required further surgery to treat rhegmatogenous detachment. The acuity of 68% improved by 0.3 or more logMAR. Silicone oil was used as primary tamponade in 7%. Pre-operative VA and use of silicone oil significantly predicted VA decline at 6 months (p = 0.001 and p = 0.007).
Conclusions
The majority of our cohort derived visual benefit from vitrectomy and delamination for PDR-related complications. Improvement in VA was comparable to outcomes from the UK National Ophthalmic Database report. Silicone oil should be avoided these patients if possible.
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Ho, J., Williamson, T.H., Wong, R.S. et al. Beneficial visual outcome of vitrectomy and delamination surgery for tractional complications of diabetic retinopathy in a cohort of black patients. Eye 33, 1884–1889 (2019). https://doi.org/10.1038/s41433-019-0496-x
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DOI: https://doi.org/10.1038/s41433-019-0496-x
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