Objective To investigate the cognitive impairment of middle-aged patients with type 2 diabetes mellitus(T2DM). Methods Wechsler adult intelligence scale-Chinese revised edition (WATS-RC) was used as the tool to examine the cognitive function of middle-aged patients with T2DM and the healthy controls in 51 cases. The t-test was used to compare the differences in score between patients and the control group. The patients were divided into two groups with or without cognitive dysfunction. The logistic regression analysis was made for all the variables to confirm risk factors for the cognitive dysfunction in diabetes. Results The WAITS-RC scores of digit-symbol coding test and block design test were much lower(P<0.05) in diabetes versus control group. The other tests showed no significant difference. The cognitive function was negatively correlated with HbA_1>c and HOMA-IR by logistic regression analysis. Conclusions For middle-aged patients with type 2 diabetes, their cognitive functions such as learning ability, analysis and comprehensive capabilities are impaired. The cognitive function is closely related with HbA_1c and HOMA-IR.

Objective To investigate the characteristics of the occurrence of bully/victim incidents among children and to explore children's implicit attitudes towards the phenomenon of being bullied.These children were grouped into 4 types,which were the bully children,the victim children,the bully/victim children and the non-involved children,respectively.Methods The stratified cluster sampling method was used to extract 1 100 pupils from 3 primary schools in Henan area.The 1 100 children were investigated with bully/victim questionnaire (pupil version).Among them,78 children who were involved in bullying(including 30 bully children,18 victim children and 30 bully/victim children) and 29 non-involved children were selected and investigated with implicit association test(IAT).Results 1.Among all the 1 029 effective participants,74 were the bully children,121 were the victim children and 101 were the bully/victim children.The total number of those were in bullying amounted to 296,which meant that about 28.8％ (296/1 029 cases) children were involved in the issue of bullying.2.In general,the subjects showed significant differences between compatible task reaction time (1 324.083 ± 458.373) ms and incompatible task reaction time (1 463.963 ± 501.254) ms in IAT (t =3.063,P ＜ 0.01).3.Among the 4 types of children,bully/victim children showed significant differences between compatible task reaction time(1 237.838 ±449.731) ms and incompatible task reaction time (1 428.754 ± 539.634) ms in IAT (t =2.301,P ＜ 0.05).Non-involved children also showed significant differences between compatible task reaction time (1 512.389 ± 557.354) ms and incompatible task reaction time (1 777.404 ± 441.373) ms in IAT(t =3.129,P ＜ 0.01).4.Bully children didn't show obvious differences between compatible task reaction time (1 304.007 ± 400.530) ms and incompatible task reaction time (1 287.236-± 405.017)ms in IAT (t =0.308,P ＞ 0.05).Victim children didn't show obvious differences between compatible task reaction time (1 178.900 ± 280.539) ms and incompatible task reaction time (1 292.635 ± 467.531) ms in IAT (t =0.821,P ＞ 0.05).Conclusions Children's implicit attitudes towards being bullied are negative,considering it as not good.Non-involved children and bully/victim children show more negative implicit attitudes towards being bullied.

Objective To investigate the changes of myocardial combination enzyme in the early stages of gunshot wound of dogs in seawater for exploring early treatment protocol. Methods Fourteen conventional Beagles models undergoing gunshot wound in seawater were used along with another 3 dogs receiving the wound on land to serve as control. After the dogs were rescued from the seawater, the origin of blood coming from central venous pressure tube was measured (33.75?25.29) min before and after injured for indexes such as alkaline aminotransferase (ALT) , aspartate aminotransferase (AST) , creatine kinase (CK) , creatine kinase isoenzymes - MB (CK -MB) , lactate dehydrogenase (LDH) and adenosine monophosphate (AMY) in the early stages of wound, followed by statistical analysis of the results. Results There was an increase in blood CK (P0.05). As compared with the control, the experimental group in seawater was observed to have significant difference in blood AMY (P 0.05). But it was noted that CK, CK - MB , LDH , AST and ALT contents tended to increase. Conclusion The functions of respiratory, heart, liver and kidney were injured and restrained in Beagle dogs undergoing the firearms wound in natural seawater. The immediate diagnosis and treatment of the organism as well as the out - of - wound - tract injury shoud do while the firearms primal wound tract were treated in the early stages of gunshot wound.

The prosthesis is forced by pneumatic artificial muscle, which can swing like human legs by inputting signals such as square waves and trigonal waves.Its swing performance is tested under such triggerings in order to find out a best motivating curve rendering the prosthesis performance almost the same as what human legs do. Compared with the normal human pace graph, the curve matches very well in the ascending edge but quite a discrepancy in the end of descending edge. According analyzing the reasons of the discrepancies, we could know how to ameliorate the design of the next generation of the bionic legs.

Knee joint is the largest and most complex joint of human body. Knee prosthesis, as the core component of lower limb, has a great expectation on simulated properties. Based on bionics, this study was designed to analyze kinematic characteristics of simulated knee joint, such as the sliding and rolling ratio of the knee as well as the instantaneous center curve, in order to further investigate an ideal simulated knee joint which was highly similar to normal knee joint. Movement regularity of human knee joint was simplified to introduce biomechanical model of knee joint so as to analyze and deduce formula of sliding ratio, rolling ratio, and instantaneous center curve. The calculation results were compared with parameters of human knee joint, suggesting a high coincidence between simulated and human knee joint. This provides an evidence for analyzing stability of motion and further studying structure and function of simulated knee joint, and this also provides basis for further research artificial simulated leg.

Objective To investigate effects of pedicle processing methods on the survival and appearance of the pedicle flaps. Methods The study involved 17 patients with soft tissue defects of extremities treated with the “exclamation mark” shaped pedicle flaps from October 2009 to January 2011.The traditional pedicled rotation flaps was designed to be a tennis racket-like shape,then the rotational pedicle was designed to small round tension reduction flap and pedicled rotation flaps,which contributed to formation of the “exclamation mark” shaped pedicle flaps.The soft tissue defects was located at the upper extremity in three patients and at lower extremity in 14,with defect areas of 4.0 cm× 7.2 cm-5.8 cm × 14.0 cm.There used two superficial radial nerve vasotrophic flaps,one ulnar artery supra-carpal cutaneous flap,eight sural neurocutaneous vasotrophic flaps and six saphenous nerve vasotrophic flaps.Results All flaps survived at Ⅰ stage except that one flap had partial distal necrosis postoperatively,which was cured after dress change.The follow-up ranged from six months to one year,which showed unobvious swelling of the survived flaps and good appearance of the rotation point of the pedicle. Conclusion The “ex(c)lamation mark” shaped pedicle flaps can reduce entrapment of the distal pedicle,promote venous drainage,improve survival and modify the appearance of the flaps.

Objective:To explore whether Chinese herbs Astragalus and Angelica mixture(A&A) have renoprotective effects on chronic renal failure in rats.Methods:5/6 nephrectomized kidney in rats was used as chronic renal failure model.Rats were randomly divided into four groups which included sham,Model,A&A and enalapril(Ena) groups.The remnant kidney was harvested after 2,4,8,12 weeks,and levels of serum creatinine(scr),urea and urinary protein excretion were measured using routine biochemical methods.The pathological lesions were observed by light microscope.The expressions of fibronectin(FN) and collagen Ⅳ(Col-Ⅳ) in glomeruli and interstitium were detected by immnuohistochemistry.Results:5/6 nephrectomized rats were presented with the characteristics of increasing scr and urea,persistent proteinuria at the end of the 2nd,4th,8th,12th weeks,respectively.They had increasing size of glomeruli with progressive proliferation of mesangial cells and mesangial matrix followed by glomerulosclerosis and progressive elevated expressions of FN and Col-Ⅳ.Compared with Model group,the administration of A&A could decrease urinary protein excretion for 34%,44%,25%,45% at the end of the 2nd,4th,8th and 12th weeks,respectively(P

OBJECTIVETo establish the quality standard of Entadae Semen, and provide scientific basis for its quality control.

METHODTLC and HPLC were used for qualitative identification and quantitative analysis of phaseoloidin and entadamide A-O-β-D-glucopyranoside in Entadae Semen. The test of water content, ash and ethanol-soluble extractives of Entadae Semen was carried out according to the methods recorded in appendix of Chinese Pharmacopeia (2010 edition).

RESULTThe TLC was well separated with clear spots. The linear range of phaseoloidin was between 0.014 to 2.747 g x L(-1) (r = 0.999 6, n = 9) with an average recovery rate of 101.06% (RSD 0.90%, n = 6); the linear range of entadamide A-O-β-D-glucopyranoside was between 0.002 to 0.452 g x L(-1) (r = 0.999 7, n = 9) withan average recovery rate of 101.52% (RSD 1.09%, n = 6). The content of phaseoloidin in sample is between 5.12% to 9.24%, entadamide A-O-β-D-glucopyranoside is between 0.55% to 2.17%, alcohol-soluble extracts is between 30.9% to 45.2%, water is between 6.6% to 8.6%, and total ash is between 2.4% to 2.9%.

CONCLUSIONThe established standard is acceptable for quality control of Entadae Semen.

China ; Chromatography, High Pressure Liquid ; Chromatography, Thin Layer ; Drugs, Chinese Herbal ; chemistry ; isolation & purification ; standards ; Fabaceae ; chemistry ; Quality Control

Objective : To understand the prevalence of overweight and obesity, and the influencing factors among students aged 7-22 years in Zhejiang Province. Methods : Stratified random cluster sampling was used to randomly select students aged 7-22 years in 11 prefectures of Zhejiang Province in 2019. Height and weight were measured. The general information, dietary habits and living habits of students were collected using the Student Health Status and Influencing Factors Questionnaire. The multivariate logistic regression model was used to analyze the influencing factors of overweight and obesity. Results : A total of 33 800 respondents were included, 7 685 (22.74%) were overweight/obese, 4 729 ( 13.99% ) were overweight, and 2 956 ( 8.75% ) were obese. The multivariate logistic regression analysis suggested that boys ( OR=2.059, 95%CI：1.949-2.175), not living on campus( OR=1.306, 95%CI: 1.214-1.405), history of alcohol consumption ( OR=1.158, 95%CI：1.083-1.238 ), average daily consumption of sugar-sweetened beverages in the past week ( less than once, OR=1.214, 95%CI: 1.103-1.336; once and more, OR=1.431, 95%CI: 1.259-1.626 ), average daily consumption of fries in the past week ( less than once, OR=1.171, 95%CI: 1.065-1.288; once and more, OR=1.266, 95%CI: 1.102-1.454 ), and average daily consumption of sweets in the past week (less than once, OR=0.727, 95%CI: 0.658-0.802; once and more, OR=0.504, 95%CI: 0.444-0.572) were associated with overweight and obesity in students. Conclusion The prevalence rates of overweight and obesity among students aged 7-22 years in Zhejiang Province are 13.99% and 8.75%, respectively, which are associated with boys, not living on campus, and consumption of sugar-sweetened beverages, fries, sweets and alcohol.