Objective To explore the relationship between police' s occupational pressure and their job burnout and health. Methods 251 policemen completed the police occupational pressure questionnaire, Maslach Burnout Inventory-General Survey and general heath questionnaire. Results Occupational pressure was positively related to emotional exhaustion and cynicism( r = 0.365 ～ 0.472 ), and not related to diminished personal accomplishment( r = - 0.004 ). Occupational pressure had negative effect on mental health (β = - 0. 1 89 ). Job burnout and its three dimensionalities were negatively related to mental health( r= -0.331 ～ -0.662). With both occupational pressure and job burnout as predictors of mental health, only did job burnout negatively predict mental health (β = - 0. 698). Conclusion Both occupational pressure and job burnout can predicted policemen' general health.

Objective To investigate the efficacy of externally applied diclofenac diethylamine emulgel on the prevention of PICC-induced mechanic phlebitis. Methods One hundred cancer patients with PICC were divided into two groups. diclofenac diethylamine emulgel and mucopolysaccharide polysulfate cream were applied three times a day for 7 days after catheterization in the two groups,respectively. Results There was no significant difference on the incidence of mechanic phlebitis between the two groups (4% vs. 8%,P>0.05). Conclusion The efficacy of externally applied diclofenac diethylamine emulgel on the prevention of PICC-induced mechanic phlebitis is the same as mucopolysaccharide polysulfate cream. Except their common virtue of convenient and simple operation,the price of diclofenac diethylamine emulgel is lower than mucopolysaccharide polysulfate cream and worthy to be spread in clinical practice.

Objective To evaluate the diagnostic value of blue laser imaging( BLI) combined with magnifying endoscopy for precancerous lesions and early gastric cancers. Methods From September 2015 to May 2016, a total of 249 gastric lesions detected with conventional white light endoscopy ( WLE) on the basis of the assessment of mucosal shape and color were enrolled in this study. The pathological results were used as golden standard,and diagnostic accuracy rates of precancerous lesions or early cancers by white light magnification alone,BLI?contrast magnification and BLI?bright magnifier were determined according to the VS criteria. The concordance between endoscopic diagnosis and pathological diagnosis was evaluated through the agreement ( Kappa ) test, and diagnostic value was compared with McNemar paired Chi?square test. Results Pathological examination showed chronic gastritis in 149 lesions, intestinal metaplasia in 67, low grade intra?epithelial neoplasia in 8, and high grade intra?epithelial neoplasia or early cancer in 25. The concordance rates of lesions were 76?7% for white light magnification alone, 85?1% for BLI?contrast magnification, and 86?7% for BLI?bright magnification. Kappa values were 0?571, 0?730, and 0?760 respectively. For the screening of high grade intra?epithelial neoplasia or early cancer, the diagnostic sensitivities were 72?0%, 92?0%, and 92?0%, respectively, the specificities were 95?5%, 98?2%, and 99?1%,the consistencies were 93?2%,97?6%,98?4%,and the Kappa values were 0?642,0?871,and 0?911. In contrast to white light magnification alone,the concordance between endoscopic diagnosis and pathological diagnosis of BLI?contrast magnification and BLI?bright magnification was significantly higher(P<0?05).And in the diagnosis of high?grade intraepithelial neoplasia or early gastric cancer,the concordance between endoscopic diagnosis and pathological diagnosis of BLI?contrast magnification and BLI?bright magnification was higher than that of white light magnification alone( P<0?05) . Conclusion BLI combined with magnifying endoscopy may improve the diagnostic accuracy of early gastric cancer and precancerous lesions.

The treatment of malignant tumor is one of the world's worst medical problem and is thus a research hotspot. The occur-rence of tumor development follows the molecule→cell→tissue→organ process. In theory, treatment can be achieved at any stage of tumor-growth by inhibition. Minimally invasive technology for treating tumor embodies the following direction of tumor treat-ment:minimally invasive, precise, and efficient. With endoscopy or imaging as a guide, the purpose of minimally invasive therapy is to have a small wound and to control tumor maximally at the tissue and organ level;thus, this therapy mode is the best and most pre-cise. This kind of technology has a good application prospect, even in the case of distant metastasis, and can be used to relieve the symptoms and improving the quality of survival by treating lesions affecting important organ functions. Minimally invasive therapy is a great challenge following the direction of modern medicine. With the development of medical science and technology, the important role of minimally invasive therapy in future tumor therapy is foreseen.

Objective To investigate the effect and mechanisms of lincRNA-p21 knockdown on radiosensitivity of hypoxic tumor cells.Methods The expression of lincRNA-p21 in SMMC7721 and U251 MG cells after hypoxia treatment were detected by QRT-PCR.Lentivirus vector carrying lincRNA-p21 siRNA or scrambled oligos were constructed.SMMC7721 and U251MG cells with stable integration of lincRNA-p21 siRNA or scrambled sequence were generated through lentiviral-mediated gene transfer.Cell cycle and apoptosis of hypoxic tumor cells were analyzed by flow cytometry.Radiosensitivity of hypoxic tumor cells were measured by cloning formation assay.The expressions of HIF-1α and GLUT1 protein were detected by Western blot.Results Under hypoxia condition (1％ O2) for 24 and 48 h, lincRNA-p21 strongly increased (t =5.13, 7.49, 8.90, 10.11, P ＜ 0.05) in SMMC7721 and U251MG cells in a timedependent manner, but this increase was suppressed in the SMMC7721 and U251MG cells with stable integration of lincRNA-p21 siRNA (t =144.81, 334.32, P ＜ 0.05).When SMMC7721 and U251MG cells were cultured under hypoxia condition (1％ O2) for 48 h, knockdown of lincRNA-p21 induced G2/M phase arrest (t =7.05, 10.18, P ＜ 0.05) and apoptosis (t =42.27, 24.79, P ＜ 0.05), reduced the expressions of HIF-1α and GLUT1 protein, and enhanced radiosensitivity with a radiosensitization ratio of 1.23 and 1.31, respectively.Conclusions Hypoxia treatment elevate the expression of lincRNA-p21.Knockdown of lincRNA-p21 enhance radiosensitivity of hypoxic tumor cells accompanied with G2/M phase arrest, apoptosis induction and the decrease of HIF-1α protein expression.

Diabetes could damage the peripheral and central nervous system,and was the risk factor of cognitive impairment in the elderly.The pathogenesis of cognitive dysfunction caused by diabetes was complex.At present,hyperinsulinemia and/or insulin deficiency,glycemic control,glycation end-products,inflammatorv mediators,hypothalamic-pituitary-adrenal axis dysfunction,blood-brain barrier dysfunction and other factors were considered to be the major causes of cognitive impairment in elderly patients with diabetes.Good metabolic control may help prevent its occurrence and/or progression.

Objective To observe the effect of penehyclidine hydrochloride (PHCD) combined with mechanical ventilation on inflammatory response in rats with acute respiratory distress syndrome(ARDS)induced by hydrochloric acid(HCl)inhalation. Methods 32 adult healthy male Sprague-Dawley(SD)rats were randomly divided into four groups:sham operation group,ARDS model group,PHCD group(intraperitoneal injection of 0.5 mg/kg PHCD at 30 minutes before HCl instillation)and mechanical ventilation group〔mechanical ventilation was given after PHCD treatment,ventilator settings were as follows:tidal volume(VT)=4 mL/kg,respiratory rate(RR)= 70 beats/min,the time ratio of inspiration to expiration(I:E)=1:2,fraction of inspired oxygen concentration(FiO2)=0.21〕,8 rats in each group. The rat ARDS model was created by HCl(0.1 mol/L,1.2 mL/kg) intratracheal instillation. After mechanical ventilation for 4 hours,the experiment was stopped. Arterial partial pressure of oxygen(PaO2)was measured,and the oxygenation index as well as lung wet/dry weight ratio(W/D)were calculated respectively. The pathological changes in lung tissues were observed under light microscope,and the pathological score was evaluated. The levels of myeloperoxidase(MPO),interlukin-8(IL-8)and nuclear factor-κB (NF-κB)in homogenate of lung tissues were all measured respectively by enzyme linked immunosorbent assay (ELISA). Results In rats of ARDS model group, there were significant infiltration of inflammatory cells, collapse of extensive pulmonary alveoli and hyaline membrane formation in lung tissues,but the edema in pulmonary mesenchymal tissue and congestion of micro vessels were not obvious. Compared with sham operation group,the lung tissue pathological score(9.88±2.03 vs. 1.38±0.92),lung W/D ratio(7.67±0.96 vs. 4.08±0.65)were significantly increased(both P<0.01),while oxygenation index〔mmHg(1 mmHg=0.133 kPa):213±29 vs. 428±28〕was markedly decreased in model group(P<0.01);and the concentrations of MPO(μg/L:34.18±3.99 vs. 20.92±1.40), IL-8(ng/L:864±53 vs. 583±91)and NF-κB(ng/L:1 229±133 vs. 803±130)in homogenate of lung tissues were significantly higher in model group(all P<0.01). The pathological changes in lung tissues including inflammatory cell infiltration,collapse of alveoli and pulmonary edema,etc. were obviously improved when treated by PHCD or mechanical ventilation and the lung pathological score and W/D ratio were significantly decreased compared with those of model group,oxygenation index in these two groups were both significantly increased,meanwhile, the concentrations of MPO,IL-8 and NF-κB were sharply decreased when compared with those of model group (all P<0.05). The degree of improvement in all above indexes were greater in mechanical ventilation group than those in PHCD group(lung injury score:5.63±1.85 vs. 7.63±1.67,lung W/D ratio:5.35±1.05 vs. 6.46±1.17, oxygenation index:325±57 vs. 272±44,MPO:25.80±3.36 vs. 29.88±3.93,IL-8:736±53 vs. 802±53, NF-κB:984±75 vs. 1 109±118,all P<0.05),however they did not reach the levels of the sham operation group (P<0.05 or P<0.01). Conclusion PHCD can inhibit the inflammatory response in ARDS rats induced by HCl inhalation,thus it may protect the lung tissue from injury induced by HCl,and the protective role of PHCD plus menchanical ventilation is superior to that of PHCD only.

Objective To explore the issues of everyday expenses list used in the cadre wards and find out countermeasures for the purpose of reducing medical disputes and improving the patients’satisfaction.Method Seventy-four patients admitted in our department from July to September 2012 were set as control group,where an investigation was conducted to find out the issues in the practical use of every expenses list and corresponding measures were worked out and used in observation group,which included 78 patients admitted in the department from October to December 2012.The two groups were compared in terms of self-paid articles, re-recording of missed expenses,failure to timely refunding,charging by other means,disagreement on curative nursing items and unclear items for charging.Result The observation group was significantly better than the control in self-paid articles,re-recording of missed expenses and failure to timely refunding(all P<0.05).Conclusions There are some issues in the use of everyday expenses list in the cadre wards.We should take corresponding countermeasures to ensure the interests of the hospital and the patients and the enhanced degree of patients’comfort.

[Objective]To summarize Pro.YangJiguo’s experience in using PingchuanⅠ for treating three periods of asthma in children .[Method] Accord-ing to the analysis of three clinical features and diagnosis and treatment of pediatric asthma, namely attack period(not the control period), duration peri-od(part of the control period) and remission period(control period), it concluded Professor Yang Jiguo's how to use PingchuanⅠto treat pediatric asthma. [Result] For pediatric asthma episodes in smooth wheezing, we join the medicine of freeing lung to relieve exterior syndrome on the basis of Pingchuan I;in duration, join yupinfeng for nourishing Qi and supporting essence; in remission, join the dragon negundo ginseng and astragalus mixture to improve children's physique, and improve the body's immune function. [Conclusion] Pingchuan I for treating three periods of asthma in children has a significant effect, unique advantages and is worth promotion.

Objective To investigate the application value of the Mini-Nutritional Assessment (MNA) in assessing the nutritional status in middle-aged women with diabetes.Methods Using the normal range of traditional nutritional index as the reference standard,two hundred and forty middle-aged women with diabetes were recruited and their nutritional status were assessed by MNA and laboratory test (including PAB,Fib,TLC,CHOL),respectively.Finally,the results were analyzed and compared.Results The correlation coefficient of MNA value and BMI、PAB,Hb,TLC,CHOL were 0.571,0.614,0.781,0.568,0.218.MNA had good correlations with several traditional laboratory indicators regarding with nutritional status,with signifi-cant difference.In this study,the results of investigation by MNA showed that:the rates of malnutrition,potential malnutrition,and normal nutritional were 30％(72 cases),65％(156 cases),and 5％(12 cases),respectively.The sensitivity and specificity of MNA were 96.1％ and 98.2％ respectively.Laboratory testing resuits:malnutrition and normal nutrition were 31％ (74 cases) and 4％ (10 cases).Kappa test(Kappa=0.922):the results of MNA and laboratory testing had strong consistency.Conclusions MNA is feasible in assessing nutritional status in the domestic middle-aged women with diabetes.