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 explore the feelings of the caregivers of dementia patients,and find the resource of the caregiver's abuse tendency to dementia patients in community.Methods The data of 10 caregivers were collected through deep interviews,and the Colaizzi analysis method was used to analyze the data.Results Through repeatedly reading,arranging,analysis,separation,and theme refining,five themes were drawn:lack of related knowledge and care skills,care tasks making caregivers tired,the economic burden,lack of social support,low sense of worth.Conclusions When concerning the problems caused by dementia patients,it's necessary to appeal the society and government to provide feasible service and assistance on the issue of abuse tendency,which is produced by the caregivers during the process of taking care of them.

ObjectiveTo investigate the effect of thalidomide on the proliferation and apoptosis in human pancreatic cancer cell SW1990 in vitro.MethodsSW1990 cell line was treated with thalidomide at different concentrations (3.125,6.25,12.5,25,50,100,200 and 400 μg/ml) for 24,48,72 h,and then cell proliferation were evaluated by MTT.Cell cycle was determined by flow cytometry,apoptosis was determined by annexin V/PI fluos staining,Bcl-2,Bax protein expression and Bcl-2/Bax ratios were measured by Western Blot in vitro.ResultsThalidomide inhibited the proliferation of SW1990 cells in a time and dosedependant manner.The proportion of G0/G1 phase of SW1990 cells with 200 μg/ml thalidomide treatment increased from (41.15 ± 2.23 ) ％ to (58.83 ± 2.33 ) ％,apoptosis rate increased from 2.6％ to 28.0％,the expression of Bax protein up-regulated from 0.17 ± 0.03 to 0.33 ± 0.04,the expression of Bcl-2 protein downregulated from 0.35 ± 0.02 to 0.17± 0.01,the ration of Bcl-2/Bax decreased from 2.17 ± 0.44 to 0.52 ±0.07.ConclusionsThalidomide can inhibit the proliferation of pancreatic cancer SW1990 cells by upregulating Bax,down-regulating Bcl-2,inducing cell apoptosis and cell Go/G1 phase arrest.

The authors report 105 cases of neurologic manifestation ia 822 patients with pulmonary carcinoma, with an incidence of neurological complication of 19.5%. The neurologic manifestations were the first symptom in 64 cases (61%), which showed orderly as headache, hemi-plegia, seizure, paraplegia, mental sympioms, backache, vertigo, sciatica, facial palsy, etc. In these 105 cases there were 93 suffered metastasis, which involved cerebrum, spinal cord, meninges, cerebellum etc. Twelve patients were nonmetastatic, among whom, carcinomaious encephalopathy, myopathy, dermtomyositis etc were observed

Object To prepare Panax notoginseng saponin (PNS) liposomes and investigate their characterization of pharmaceutics and pulmonary pharmacokinetics in rats. Methods The film-disperion method was used to prepare PNS liposomes by investigating its form, vesicle size, entrapping efficiency and stability. The study of pulmonary pharmacokinetics in rats was carried out by pulmonary instillation. Results The entrapment of PNS liposomes was 78.50%. The mean vesicle size was 1.5 ?m with uniform externality. The drug leakage from PNS liposomes was slow. Low temperature was required for its storage. The pulmonary pharmacokinetics parameters were as follows: T 1/2 ?=7.00 h, T 1/2 ?=27.72 h, AUC= 2 218.9 ?g?h/mL, the absolute bioavailability was 70.14%. Conclusion PNS liposomes with high entrapment and stability can prolong its circulation in blood and improve the PNS bioavailability via lung approach.

Objective Retrospective analysis of 56 cases of the surgical humerus neck of children that treated with abduction brace combined with manipulative reduction,and discuss the significance of abduction brace combined with manipulative reduction in treatment of fracture of the surgical humerus neck about children.Methods This study consisted of 56 children with fracture of the surgical humerus neck,among these,41 were males and 15 were females,9 were road accident and 47 were falling injury,average 7.67 years.They were all treated with abduction brace combined with manipulative reduction,after 1 month fixation,dismantled the abduction brace and did the functional exercise.Results Follow-up study was carried out in 56 cases,followed 6 months to 5 years,average 2.96 years,accoding to the standard of fracture healing,excellent result was obtained in 35 cases and good in 21 cases,the excellent-good rate was 100%.Conclusions Abduction brace combined with manipulative reduction is an effective treatment for fracture of the surgical humerus neck in children.

Objective To analyze the complications during and after the surgical treatment for long bone fractures in children with titanic elastic intramedullary nail(TEN),in order to improve the technique and potential shortcomings in these surgeries,and reduce the incidence of complications.Methods A retrospective study was done on the 182 children with long bone fractures treated with TEN from Jan.2005 to Jan.2008.A summary and analysis was made on the complications of these cases.Results All the 182 cases had the bones healed.During the operation,split in bone cortex was found in 3 cases,penetration into epiphysis by nails was found in 1 case.After operations,irritated skin and exposed nail was found in 3 cases,prolonged bone healing in 2 cases,limitation of range of motion in the knee in 1 case,bent nail in 1 case,difficulty in retracting the nail in 10 cases,shortening in 2 cases,second fracture of the healed long bone in 1 case.The results were excellent in 173 cases,good in 6 and fair in 3,and the rate of excellent and good was 98 %.Conclusions Though it has certain complications,the technique of TEN in the treatment of children's long bone fractures has more advantages over other internal fixations.Carefully performing the procedure according to the principal of TEN can decease and prevent most of these complications.

AIM: To study the preparation and physiological compatibility of pulmonary administration with Saponius of Panax Notoginseng (PNS) liposomes. METHODS: PNS liposomes was prepared by thin film dispersion method. The prefered formulation was determined by factorial design. Ciliary movement in situtoad palate model and the changes of pulmonary edema index and pathology of lungs in rats were investigated to evaluate the physiological compatibility of PNS liposomes. RESULTS: PNS liposomes were proved to be large unilamellar vesicle (LUV) liposomes with spherical shape .The liposomes composed of PC and Ch has a high PNS capture efficiency of 78.5% ?2.15% . The mean vesicle size of liposomes were 1546.5nm ?321.4nm which were quite homogeneous in size distribution. The lasting time of ciliary movement after the rinsing of PNS liposomes was the 92.14% of the effect of PBS buffer. The pulmonary edema index and pathological changes of lung tissue in PNS liposomes group were significantly different from those in PNS solution group and close to those in PBS buffer group. CONCLUSION: PNS liposomes has good physiological compatibility with promising market development and application.

Objective To evaluate the effect of early surgical treatment for primary lower limb varicose veins complicated by thrombophlebitis.Methods The clinical date of 42 patients with primary lower extremity varicose veins complicated by thrombophlebitis treated in 4 years were analyzed retrospectively.The CEAP classification was adopted to establish the diagnoses of the all patieats.In the early stage,high ligation and stripping of the varicase veins were performed.After removal of varicose veins and thrombi,both anti-inflammation therapy and anticoagulant therapy were applied.Results All patients made a good recovery.After surgery,3 patients had skin callous and swelling,and 3 patients had foot nerve paresthesia.But,no serious complications,such as deep venous thrombosis or pulmonary embolism,were observed.The was no recurrence during 2 months to 4 years follow-up.Conclusions Early surgical treatment for primary lower limb varicose veins complicated by superficial thrombophlebitis not only has good results but also helps control of deep venous thrombosis and pulmonary embolism,and other serious complications that can result from superficial venous thrombosis.