Phacoemulsification outcomes and complications in vitrectomised versus non-vitrectomised eyes
Date
2021Language
en
Keyword
Abstract
Clinical relevance: Pars plana vitrectomy techniques have evolved in the recent years and the number of patients undergoing phacoemulsification for post-vitrectomy cataract has increased. Eye-care practitioners need to be aware of intraoperative complications and post-operative outcomes in previously vitrectomised eyes. Background: The aim of the present study is to compare the outcomes and related complications of phacoemulsification in previously vitrectomised versus non-vitrectomised eyes. Methods: This is a retrospective case-control study. Visual acuity, refractive outcomes, intra- and post-operative complications were analysed in consecutive phacoemulsification patients between January 2015 and August 2017. Patients with no post-operative data were excluded. Results: One hundred and forty-nine previously vitrectomised eyes and 608 non-vitrectomised eyes were included in the analysis. Previous pars plana vitrectomy was associated with worse logMAR visual acuity pre-operatively (0.75 ± 0.54 vs. 0.40 ± 0.33, p < 0.0001) and post-operatively (0.15 ± 0.29 vs. 0.09 ± 0.22, p = 0.014). There were no statistically significant differences between the two groups regarding refractive outcomes (p = 0.393) or posterior capsule rupture rate (p = 0.223). Previous pars plana vitrectomy was associated with a higher risk of post-operative macular oedema (p = 0.046) and posterior capsule opacification (p < 0.0001). Conclusions: Previous pars plana vitrectomy was not associated with a higher risk of intraoperative complications. However, a higher incidence of cystoid macular oedema and posterior capsule opacification were identified in the present study. Further research can provide insight into the mechanisms involved and any appropriate prevention strategies for these conditions. © 2021 Optometry Australia.
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