Objective To investigate the correlation between macular structural changes and functional outcomes in idiopathic macular epiretinal membranes (IMEM).Methods Clinical data of 85 patients with monocular IMEM admitted from April 2013 to April 2014 were retrospectively analyzed.The diseased eyes(85 eyes)were studied as observation group and the normal eyes (85 eyes)served as control group.The results of routine eye examinations,optical coherence tomography (OCT) and multifocal electroretinography (mfERG) were compared between observation and control groups.Results The preoperative best corrected visual acuity (BCVA) in observation group was lower than that in control group (0.55-± 0.17 vs.0.92 ± 0.14,P ＜ 0.05);the eyes with BCVA ＜ 0.1 in observation group were more than those in control group (P ＜ 0.05).The central retinal thickness (CRT) of observation group was higher than that of control group[(322.1 ±54.3) μm vs.(210.3 ±47.5) μm,t =14.29,P ＜0.05].The average response density of N1 wave and P1 wave in observation group were (36.7 ± 19.7) and (95.2 ±24.0) nV/ deg2,which were lower than those in control group [(42.9 ± 16.3) and (134.8 ± 20.1) nV/deg2;t =-2.23 and-11.66,respectively,P ＜0.05].The latent period of N1 wave and P1 wave in observation group were (22.0 ±4.1) and (39.5 ± 4.7) ms,which were lower than those in control group [(18.7 ± 3.0) and (38.0 ± 3.2) ms;t =5.99 and 2.43,respectively,all P ＜ 0.05].The CRT in observation group was not correlated with average response density of macular center N1,P1 wave and latent period (r =-0.23,-0.35,0.06,-0.04,all P ＞ 0.05).BCVA in observation group was negatively correlated with CRT(r =-2.16,P ＜ 0.05).Conclusions The central retinal thickness is negatively correlated with the best corrected visual acuity,but not correlated with center mfERG in patients with IMEM.

Objective:To explore the clinical application and diagnosis of the long non-coding RNA plasmacytoma variant translocation gene 1 (PVT1) in plasma for rheumatoid arthritis (RA).Methods:One hundred and nineteen healthy individuals were designed as healthy control (HC), 158 patients with RA, 50 patients with systemic lupus erythematosus (SLE) and 50 patients with primary Sj?gren′s syndrome (pSS) were collected from Xuzhou Central Hospital. The plasma PVT1 of HC, RA, SLE and pSS patients and were determined by real time polymerase chain reaction (qRT-PCR). The t test of two independent-samples and One-Way analysis of variance (ANOVA) were used to compare the levels of plasma PVT1 in HC, RA, SLE and pSS patients. The correlation between PVT1 and RF, IL-6 and anti-CCP of RA patients were analyzed by Spearman's rank correlation test. Receiver operating characteristic (ROC) curves were used to identify the diagnostic performance of plasma PVT1 for RA. Results:Compared to HC [(1.32±1.22)], SLE [(1.15±0.83)] and pSS patients [(1.46±0.88)], the plasma PVT1 relative expression [(3.71±2.68)] were significantly increased in RA patients ( t=8.36, P<0.01; t=6.83, P<0.01; t=5.98, P<0.01). The PVT1 had a strong positive correlation with RF, IL-6 and anti-CCP( r=0.41, P<0.01; r=0.38, P<0.01; r=0.40, P<0.01). The area under curve (AUC) of plasma of PVT1 of RA was 0.79[95% CI(0.72, 0.85); P<0.01]. At the optimal cut-off of 1.97, the diagnostic sensitivity and specificity were 68.27% and 86.45%, and in this point provided better diagnostic accuracy. When combination PVT1 with RF, the AUC was 0.88[95% CI(0.83, 0.93); P<0.01], the sensitivity and specificity were 80.22% and 82.73%. Conclusion:Plasma PVT1 has potential diagnostic value for RA, which may become a new biomarker for the diagnosis for RA patients.