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S100b protein levels in subretinal fluid in rhegmatogenous retinal detachment. | LitMetric
Purpose : To investigate the relevance of the concentration of S100B in subretinal fluid (SRF) with the postoperative anatomical and functional success and proliferative vitreoretinopathy (PVR) formation parameters in rhegmatogenous retinal detachment (RRD).Methods : Fifty-three patients (34 male, 19 female) were included in this prospective study. Study group consisted of 46 patients who had scleral buckling (SB) surgery with the diagnosis of RRD. Control group consisted of six patients who had pars plana vitrectomy (PPV) for either full-thickness macular hole or subluxated intraocular lens. SRFs were obtained during SB surgery. Study cases were divided into three groups, corresponding to the duration of retinal detachment (DRD). Clinical characteristics including best-corrected visual acuity (BCVA), anatomical status at 6 months, the presence of postoperative PVR that resulted in recurrent detachment and any possible re-operations were recorded. The concentration of S100B was quantified by using an enzyme immunoassay test kit.Results : The concentration of S100B in SRF increased significantly after RRD. And, S100B levels were evidently elevated in concordance with DRD. There was no correlation between the concentration of SRF - S100B with preoperative or postoperative BCVA. Again, S100B levels were not related to the extent of RRD or postoperative PVR formation.Conclusion : Concentration of S100B in SRF is good marker of retinal stress and increases in concordance with DRD. However it would not help to predict the possible anatomical and functional success or postoperative PVR formation.
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