1.Changes of postoperative intraocular pressure and the relative factors after SMILE for high myopia
International Eye Science 2017;17(9):1646-1649
AIM:To explore the changes of intraocular pressure measured by noncontact tonometer (IOPNCT) with high myopia and analyze the relative fators after small incision lenticule extraction(SMILE).METHODS:A retrospective study.Totally 108 cases (216 eyes) with high myopia received SMILE during March 2015 to October 2016 were involved.The IOPNCT, corneal central thickness (CCT) and corneal curvature for 3mo were recorded and analyzed by ANOVA, LSD t test.The Pearson correlation analysis and multiple linear regression model analysis were used to evaluate the relationship between IOPNCT and its influence factors.RESULTS:(1) There was significant statistical difference in IOPNCT after SMILE at 1d, 1wk, 1 and 3mo compare with preoperative (t=17.785, P=0.019;t=17.981, P=0.016;t=18.841, P=0.012;t=19.364, P=0.001);the IOPNCT after SMILE decreased.The IOPNCT values at every time after SMILE was no statistical difference (t=1.871, P=0.818;t=3.062, P=0.328;t=1.143, P=0.373).(2) The IOPNCT in high myopia were positive correlated with CCT and corneal curvature after SMILE (r=0.4356, 0.295;P<0.05), respectively.(3) The multiple linear regression model analysis revealed that Y=-14.601+0.348X1+0.03X2 (Y was IOPNCT, X1 was corneal curvature, X2 was CCT,P<0.001);Y=3.679+0.28X1+0.012X2 (Y was△IOPNCT,X1 was variation of corneal curvature,X2 was△CCT, P<0.001).CONCLUSION:The IOPNCT decreased after SMILE in high myipia, and it showed that there was no significant influence to use glucocorticoid eye drops in short terms.There was positive correlation among IOPNCT, CCT and corneal curvature after SMILE.
2.Advance of small incision lenticule extraction with femtosecond laser
International Eye Science 2016;16(8):1492-1494
?The small incision lenticule extraction ( SMILE ) with femtosecond laser is a new mode of corneal refractive surgeryrecently. The safety, efficacy, stability and predictability of SMILE lead the corneal refractive surgery to a new world that only use femtosecond laser to correct myopia.With the development and popularity of SMILE, the clinical effect has aroused much concern.But there remain exited disputes in refractive stability, visual quality and corneal biomechanical property, contrast sensitivity and glare symptoms, corneal sensitivity and dye eye, corneal endothelial cells and intraocular pressure.These will be summarized in this review.
3.Correlation between activated blood platelet and large vascular disease in type 2 diabetes mellitus
Na LUO ; Yan ZHU ; Zhenwen ZHANG
Chinese Journal of Practical Internal Medicine 2001;0(07):-
Objective To explore the association of activated blood platelet and large vacular disease in type 2 diabetes mellitus.Methods A total of 98 cases of type 2 diabetes mellitus patients were divided into two groups(50 cases with large vascular disease and 48 cases,as DM group)and 50 cases healthy subjects served as a control group.From 2002-05 to 2004-11,the doctors of the Department of Endocrinology,Subei Hospital to determined the expression of platelet activation PAC-1、CD62P in large vascular disease by technique of flow cytometry(FCM),and glycosylated hemoglobin(HbA_1c)、C-reactive protein(CRP)、fasting plasama glucose(FBG)、C-peptide(C-P)and blood lipids were measured and analysed for the correlation.Results Activated blood platelet was significantly increased in DM group as compared with that in control group(P
4.Endoscopic endonasal approach resection for anterior skull base, pterygopalatine fossa and infratemporal fossa tumors: retrospective analysis of 73 patients.
Na LI ; Longgang YU ; Yan JIANG ; Jianbao JU ; Niankai ZHANG
Journal of Clinical Otorhinolaryngology Head and Neck Surgery 2014;28(20):1547-1549
OBJECTIVE:
To summarize the clinical experience with endoscopic transnasal resection of nasal skull- base neoplasms, which involved anterior skull base, pterygopalatine fossa, nfratemporal fossa.
METHOD:
Clinical data from 73 patients performed on endoscopic transnasal resection of nasal skull-base neoplasms were analyzed retrospectively.
RESULT:
Total tumor removal was obtained in 54 cases, subtotal removal in 19 cases. In 16 cases of benign tumor, the postoperative survival rate was 100%; Malignancy in 57 cases, of which 16 patients were died, and half-year survival rate was 71.9%.
CONCLUSION
Endoscopic endonasal approach be able to fully reveal and re- moval of lesions involving the anterior skull base, pterygopalatine fossa and infratemporal fossa. The approach is feasible and safe.
Endoscopy
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Humans
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Nose
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surgery
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Postoperative Period
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Pterygopalatine Fossa
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Retrospective Studies
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Skull Base
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Skull Base Neoplasms
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surgery
5.Investigation on reference intervals of blood lipids four indexes in healthy population in Hengshui city
Na LIU ; Mei ZHANG ; Yan WU ; Chunyan XIE ; Hongzhi CHI
International Journal of Laboratory Medicine 2015;(1):69-70
Objective To establish the reference intervals of total cholesterol (TC),triglyceride (TG),high density lipoprotein (HDL-C)and low density lipoprotein (LDL-C)in the healthy population in Hengshui region.Methods 16 403 healthy individuals were collected from the various counties and cities in this region and detected the above 4 blood lipid indexes (TC,TG,HDL-C, LDL-C)by adopting the automatic biochemical analyzer.The subjects were grouped according to different genders and ages and the detection results were performed the statistical analysis.Results TC 3.17-7.20 mmol/L;TG 0.08-3.16 mmol/L;HDL-C 0.94-2.30 mmol/L;LDL-C 1 .14 -4.59 mmol/L.Conclusion The differences of blood lipid detection results exist in males and fe-males in Hengshui region,the results are different among different age groups,it is suggested that different genders and different age groups should establish their own normal reference intervals in order to provide the diagnostic basis for clinic.
6.Reference intervals of 3 indicators of renal function test for the healthy adults in Hengshui City
Mei ZHANG ; Na LIU ; Yan WU ; Chunyan XIE ; Hongzhi CHI
International Journal of Laboratory Medicine 2014;(18):2490-2491
Objective To establish the reference interval of serum urea nitrogen (BUN) ,creatinine(Cr) ,uric acid(UA) for the healthy adults of Hengshui City .Methods 16 403 cases of healthy adults of different areas in the city were enrolled in the study .By using automatic biochemical analyzer ,3 kidney function indicators(BUN ,Cr ,UA) were determined .According to different sex and age groups ,statistical analysis was performed .Results The reference intervals of 3 kidney function indicators for healthy people in Hengshui City were as follows ,BUN :2 .75-7 .05 mmol/L for male and 2 .24-6 .58 mmol/L for female;Cr:49 .69-87 .96 μmol/L for male and 35 .82-72 .22 μmol/L for female;UA :209 .51 -500 .06 μmol/L for male and 146 .25 -389 .69 μmol/L for female . Conclusion The reference intervals established could basically reflect the concentrations of 3 kidney function indicators for the healthy adults in Hengshui City ,which could provide a reference .
7.Single-fiber conduction study of motor nerve in patients with diabetic peripheral neuropathy
Li TIAN ; Yan CHENG ; Zhecheng ZHANG ; Na LIU ; Ju ZHU
Chinese Journal of Neurology 2015;48(3):188-191
Objective To assess the function of motor nerve fiber in patients with diabetic peripheral neuropathy (DPN) by single-fiber conduction studies.Methods According to the diagnostic standard of DPN issued in Toronto meeting in 2009,on the basis of the result of peroneal nerve conventional conduction study,a total of 65 patients with DPN in the Department of Endocrinology and the Department of Neurology of Tianjin Third Central Hospital from October 2012 to October 2013 were enrolled into the study,from whom 33 had abnormal sensory conduction (sensory-diabetic peripheral neuropathy group,S-DPN group),32 had abnormal sensory motor conduction (sensory motor-diabetic peripheral neuropathy group,SM-DPN group).Single-fiber conduction velocity (SF-CV) and single-fiber distal motor latency (SF-DML)were detected in all subjects.The obtained results were compared with the data from 34 healthy volunteers (control group).The relationship of SF-CV,SF-DML and the duration of diabetes mellitus,fasting glucose,HbA1 c was also studied in DPN patients.Results The SF-CV ((43.1 ± 3.6) m/s) was decreased in S-DPN group compared with control group ((47.5 ± 3.3) m/s,t =5.077,P < 0.01).There were no significant differences in SF-DML ((3.6 ± 0.7) ms),motor nerve conduction velocity (MCV (49.5 ± 2.6)m/s) and DML ((3.4 ± 0.6) ms) in S-DPN group compared with that of control group ((3.4 ± 0.5) ms,(50.9 ± 3.5) m/s,(3.2 ± 0.5) ms,respectively).SM-DPN group had lower SF-CV ((35.2 ± 3.6)m/s,t =9.119,14.219),MCV ((40.9 ± 3.2) m/s,t =11.131,13.025) and increased SF-DML ((4.5±0.7) ms,t=5.692,7.231),DML ((4.2 ±0.7) ms,t=5.561,6.975) compared with the other two groups (P <0.01).SF-CV in DPN patients was negatively related to the diabetic duration (r =-0.340,P =0.006),while SF-DML had no correlation with duration of DM,fasting blood glucose and HbAlc.Conclusions Detection of SF-CV is easy to find early motor nerve dysfunction in DPN patients.SF-CV is decreased with the increasing duration of diabetes.
8.Effect of linoleic acid on lipopolysaccharide-induced release of inflammatory factors in macrophages of mice
Rong HE ; Yan ZHANG ; Na LI ; Xiaoming DENG
Chinese Journal of Anesthesiology 2016;36(5):616-619
Objective To evaluate the effect of linoleic acid on lipopolysaccharide (LPS)-induced release of inflammatory factors in the macrophages of mice.Methods The peritoneal macrophages obtained from C57BL/C mice were seeded in 24-well plates at a density of 4× 105 cells/well and in 6-well plates at a density of 2× 106cells/well.The cells were incubated and attached to the wall overnight in a 5% CO2 incubator in humidity at 37 ℃.The experiment was performed in 2 parts.Part Ⅰ The cells in 24-well plates were randomly divided into 5 groups (n =8 each) using a random number table:control group (group C);LPS group;3 different concentrations of linoleic acid groups (LA1-3 groups).The sterile anhydrous alcohol 1 μl was added in group LPS,0.1,0.5 and 1.0 mol/ml linoleic acid 1 μl were added in LA1-3 groups,respectively,and 30 min later 100 μg/ml LPS 1 μ,l was added in LPS and LA1-3 groups.The culture medium was collected at 6 h after LPS administration to measure the concentrations of tumor necrosis factor-alpha (TNF-α) and interleukin-6 (IL-6) in the supernatant by enzyme-linked immunosorbent assay.PartⅡ The cells in 6-well plates were randomly divided into 3 groups (n =6 each) using a random number table:control group (group C);LPS group;0.5 mol/ml linoleic acid group (group LA).The sterile anhydrous alcohol 1 μl was added in group LPS,0.5 mol/ml linoleic acid 1 μl was added in group LA,and 30 min later 100 μg/ml LPS 1 μl was added in LPS and LA groups.At 1 h after administration of LPS,the expression of Toll-like receptor 4 (TLR4) was determined by flow cytometry,and the expression of phosphorylated nuclear factor kappa B (NF-κB) p65 (p-NF-κB p65),phosphorylated extracellular signal-regulated protein kinase (p-ERK) and phosphorylated p38 mitogen-activated protein kinase (p-p38 MAPK) was determined by Western blot.Results Part Ⅰ Compared with group C,TNF-α and IL-6 concentrations in the supernatant were significantly increased in LPS and LA1 3 groups (P < 0.05).Compared with group LPS,TNF-α and IL-6 concentrations in the supernatant were significantly decreased in LA1 3 groups (P<0.05).Compared with group LA1,TNF-α and IL-6 concentrations in the supernatant were significantly decreased in LA2 and LA3 groups (P<0.05).Compared with group LA2,TNF-α and IL-6 concentrations in the supernatant were significantly decreased in group LA3 (P < 0.05).Part Ⅱ Compared with group C,the expression of TLR4,p-NF-κB p65,p-ERK and p-p38 MAPK in macrophages was significantly up-regulated in LPS and LA groups (P<0.05).Compared with group LPS,the expression of TLR4,p-NF-κB p65,p-ERK and p-p38 MAPK in macrophages was significantly down-regulated in group LA (P<0.05).Conclusion Linoleic acid can inhibit LPS-induced release of inflammatory factors in the macrophages of mice,and the mechanism may be related to the inhibition of TLR4 signaling pathway activation.
9.Effects of Different Processing Methods on the Antiosteoporotic Effective Compositions of Psoralea corylifolia L.
Na LI ; Dongmei YAN ; Jinlian ZHANG ; Xiumei GAO
World Science and Technology-Modernization of Traditional Chinese Medicine 2017;19(1):127-132
This study aimed at evaluating the effect of different processing methods on the contents of antiosteoporotic compositions in P.corylifolia.HPLC method adopted to analyze the contents of antiosteoporotic compositions,including coumarin (psoralen and isopsoralen),flavonoids (neobavaisoflavone,corylifolin,corylifolinin and corylifol A) and meroterpenes (bakuchiol) in P.corylifolia.The contents were analyzed before and after the processing methods.Results:The results showed that the content of coumarin,flavonoids and meroterpenes obviously changed in different processed P.Corylifolia in comparison with the crude drugs.In conclusion,it was demonstrated that the therapeutic efficacy of osteoporosis was enhanced by CP method which increased all of the three compositions.The testimony tallied with the Chinese medical theory:stir-frying with salt-water could enhance the effect of the tonification of spleen and kidney.
10.Effects of astragaloside on proliferation and apoptosis of keloid fibroblasts
Yu FU ; Liang ZHANG ; Na CHEN ; Zhi YAN ; Jing YANG
Chongqing Medicine 2017;46(6):746-748
Objective To study the effect of astragaloside on proliferation and apoptosis in human keloid fibroblasts.Methods The human keloid fibroblast ceils were treated with different concentration of astragaloside(10、20、40 ng/mL).Cell proliferation was detected by MTT,the gene expreesion levels and protein levels of apoptosis-related proteins,survivin,p53 and Bcl-2.were determined by real-time PCR and Western blot,respectively.Results Comparecl with control group(treated with 0 ng/mL astragaloside),the absorbance values (A490 nm) of each concentration group were significantly reduced,which suggest that the proliferation of all keloid fibroblast were markably inhibited in a dose-dependent way (P<0.05).The gene expreesion levels and protein levels of apoptosis-related proteins,survivin、Bcl-2 were largely suppressed and P53 werelargely promoted in a dose-dependent.Conclusion The keloid fibroblasts cells proliferation and apoptosis could be regulated by astragaloside.