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Objective:To analyze the cause of poor distance visual acuity after refractive rotationally asymmetric multifocal intraocular lens (IOL) implantation in cataract patients.Methods:The data were collected from patients who underwent cataract phacoemulsification combined with intraocular lens (refractive rotationally asymmetric multifocal intraocular lens, SBL-3) implantation at Beijing Aier Intech Eye Hospital from December 2016 to December 2018, and followed up for six months after operation. Standard logarithmic visual acuity chart was used to record uncorrected distance visual acuity, best corrected distance visual acuity, intermediate visual acuity, and near visual acuity. Defocus curve was drawn. The corneal topography, postoperative visual quality and intraocular lens centered or not were checked by Itrace.Results:Total 95 eyes of 70 patients were implemented by cataract phacoemulsification combined with regional refractive intraocular lens operation. Among them, uncorrected distance visual acuity of 16 eyes of 16 patients, were less than or equal to 0.6. The distance power zone of the intraocular lens of 7 patients were placed in the area of high corneal refractive power. Because of measurement error, reserved error, etc, the power of IOL in 7 patients had deviations. Farsightedness and dizziness occurred in 2 patients. The visual discomfort symptoms disappeared and vision improved through intraocular lens positioning.Conclusions:The poor quality of distance visual acuity is mainly caused by the coincidence of the distance power zone with the corneal high-refractive region, the deviation of the power of the intraocular lens, and the intraocular lens center shift. If the cornea has a high refractive area, the distance power zone should avoid to be placed in the same area. The intraocular lens should be reserved between 0-+ 0.25 D. Two-step surgery is recommended. It′s also recommended to make sure the lens is centered during the operation by lens reflection method.
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Objective:To study the effect of matrine on the expression of transcription factor Snail2 in peritoneal mesothelial cells epithelial-mesenchymal transition (EMT) induced by transforming growth factor-β1 (TGF-β1).Methods:Human peritoneal mesothelial cells were stimulated by TGF-β1 and treated with matrine. The experiment was divided into six groups (control group, TGF-β1-induced group (5 ng/ml), TGF-β1+0.4 mg/ml matrine intervention group, TGF-β1+0.6 mg/ml matrine intervention group, TGF-β1+0.8 mg/ml matrine intervention group and TGF-β1+1.0 mg/ml matrine intervention group). The expressions of Snail2, E-cadherin, α-smooth muscle actin (α-SMA), Fibronectin and collagen (Col)Ⅲ were detected by real-time fluorescence quantitative PCR and Western blotting. The protein phosphorylation levels of Smad2, Smad3 and extracellular signal-regulated kinase (ERK)1/2 were detected by Western blotting.Results:The mRNA and protein expressions of Snail2, α-SMA, Fibronectin and ColⅢ were up-regulated after being stimulated by TGF-β1 (5 ng/ml) in human peritoneal mesothelial cells, while the mRNA and protein expression of E-cadherin was down-regulated. TGF-β1 (5 ng/ml) could up-regulate the protein phosphorylation levels of Smad2, Smad3 and ERK1/2. Matrine (0.4, 0.6, 0.8, 1.0 mg/ml) could down-regulate the mRNA and protein expression levels of Snail2, α-SMA, Fibronectin and ColⅢ after being stimulated by TGF-β1 in human peritoneal mesothelial cells. Matrine could down-regulate the protein phosphorylation of ERK1/2, and up-regulate the mRNA and protein expression levels of E-cadherin with treatment of TGF-β1 in human peritoneal mesothelial cells.Conclusions:TGF-β1 can induce EMT of human peritoneal mesothelial cells. Matrine may inhibit TGF-β1-induced EMT of human peritoneal mesothelial cells by down-regulating the expression of Snail2 through the ERK1/2 signaling pathway.
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Objective To investigate the prevalence and risk factors of chronic kidney disease (CKD) in the adult urban population of Hezhou Guangxi. Methods One thousand and two hundred urban residents (older than 18 years) from Hezhou Guangxi were randomly selected using a random sampling. All the residents were interviewed. Their morning spot urine were tested to determine albumin to ereatinine ratio (abnormal:≥30 mg/g), and renal function [abnomal: eMDRD <60 ml·min-1·(1.73 m2)-1] was assessed. Morning spot urine dipstick of hematuria (abnormal:≥1 +) was confirmed by microscopy (abnormal: 3 red blood cells/HP). The associations among demographic characteristics, health eharacteristies and indicators of kidney damage were examined. Results Eligible data of 1069 subjects were enrolled in the study. The prevalence of albuminuria was 7.5%, hematuria 4.8%, and reduced eGFR 3.6%. The prevalence of kidney disease was 14.4% and the recognition was 1.4%. Age (OR 1.022, 95%CI 1.008-1.035), gender (OR 2.249, 95%CI 1.502-3.367), diabetes mellitus (OR 7.422, 95%CI 3.985-13.825) and hypertension (OR 4.397, 95% CI 2.601-7.432) were independently associated with CKD. Conclusions The prevalence of chronic kidney disease is 14.4% and the recognition is 1.4% in adult urban population of Hezhou Guangxi. Independent risk factors associated with chronic kidney disease are age, gender, diabetes mellitus and hypertension which is similar to those in developed countries and domestic big cities.
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Objective To summarize the clinical outcome of direct trans-scleral drainage by puncture with 25G needles in the external-route surgeries for primary retinal detachment. Methods Fifty-four consecutive cases of primary retinal detachment were treated by external-route surgeries. The subretinal fluid of 23 cases was drained by direct scleral puncture with 25G needles (25GND group), the other 31 cases underwent the conventional scleral incision and drainage(CD group). Postoperative complications, the single-operation retinal reattachment rate and functional outcome were recorded.Results Subretinal fluid was adequately drained in all cases. there was no significant difference in the single-operation retinal reattachment rate between 25GND and CD groups. In comparision to CD, 25GND significantly decreased postoperative complication rate (?2=4.729,P