What are the efficacy and safety outcomes of different drainage methods during pars plana vitrectomy for rhegmatogenous retinal detachment?

– The article is a systematic review and meta-analysis on surgical drainage methods during pars plana vitrectomy (PPV) for rhegmatogenous retinal detachment (RRD).
– The study included 2 randomized trials and 5 observational studies, with a total of 1,524 eyes.
– The results showed that there were no significant differences in final best-corrected visual acuity and primary reattachment rates across different drainage methods.
– Draining subretinal fluid through preexisting retinal breaks or using perfluorocarbon liquid was associated with a lower risk of epiretinal membrane formation compared to posterior retinotomy.
– The use of perfluorocarbon liquid was associated with a significantly greater risk of abnormal foveal contour compared to posterior retinotomy.
– The authors concluded that there is limited information on the optimal drainage method during PPV for RRD, and further research is needed.

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