Arteriosclerosis Obliterans ; surgery ; Humans ; Lower Extremity

Objective To evaluate the effects of a health education project on prevention and control of iodine deficiency disorders.Methods From January to June 2011,an investigation was conducted using combined unified questionnaire in 9 counties on target population,and 3 townships were chosen in each project county.Health educational activities were carried out in grade 5 classes in the central primary school.In the meantime,3 villages were chosen in each selected township where the health educational activities in the community were carried out.Before and after the health educational activities,questionnaire surveys on knowledge of iodine deficiency disorders were conducted in each project county.Thirty students in one class of grade 5 in the central primary school were selected,and 15 women of childbearing age near the central primary school were selected too.The health education content included but not limited to:popular science films about the knowledge on endemic disease prevention and public-interest ads were broadcasted by radio,television,newspapers and other media in the project counties,aiming at spreading knowledge on prevention and treatment of endemic diseases.In each of the project township government and village committee locations,posters,banner pieces and slogan suspensions about knowledge on endemic disease prevention were posted or put up.In the project rural hospitals,a special bulletin boards was set up,and in the village clinics (rooms),posters were put up,to carry out a training program for women of childbearing age on endemic disease prevention.In primary schools,students in grades 4 to 6 were given a class about knowledge on prevention and treatment of iodine deficiency disorders,aiming at their transferring the learned knowledge to family members.Results A total of 2678 persons were investigated before and after the health education.After health education,the rate of knowledge(the correct answer rate) on iodine deficiency disorders increased from 69.04％ (1920/2781) to 94.08％ (2622/2787,x2 =580.63,P ＜ 0.05) among primary school students,and 74.76％(924/1236) to 92.60％(1139/1230,x2 =143.59,P ＜ 0.05) among women of childbearing age.Conclusions The rate of knowledge awareness in the students and the women of childbearing is increased significantly after the health educational activities.Systematic and targeted health education activities are effective measures in prevention and control of iodine deficiency disorders.

Animals ; Feasibility Studies ; Female ; Mice ; Mice, Inbred BALB C ; Plethysmography ; methods ; Tidal Volume ; physiology

Objective To analyze the levels and speciation of arsenic metabolites in urine of rats treated with sodium arsenite and sodium arsenate in order to investigate the different aspects of metabolism between sodium arsenite and sodium arsenate,thus to understand further the basic data about relationship between it's metabolism and mechanism of toxicity. Methods Seventy Wistar rats,weighting 80-120 g,were divided into 7 groups of 10 each,such as normal control group,high,middle and low sodium arsenite group and high,middle and low sodium arsenate group. After the animals were fed for one month,the urine was collected by metabolic cage in 12 hours. Applying the high efficiency liquid chromatography and hydride genesis atomic fluorescence spectroscopy (HPLC-HGAFS),the levels and speciation of arsenic metabolites were determined in urine of rats. Meanwhile,the recovery rate of dimethyl arsinic acid(DMA) would be determined to estimate the degree of accuracy of results. Results The levels of iAs~(3+),iAs~(5+) and DMA in middle sodium arsenite group[(121.66±1.26),(10.26±2.68),(200.91±0.56) μg/L]were higher than the high sodium arsenite group[(113.20±0.75),(5.16±1.32),(147.70±μ0.77)μg/L,all P < 0.05]and low sodium arsenite group[(79.35±2.12),(5.13±2.25),(56.35±1.23)μg/L,all P < 0.05]. The levels of iAs~(3+) and DMA in middle sodium arsenate group[(315.81±1.69),(245.12±1.18)μg/L]were higher than the high sodium arsenate group[(85.03±0.56),(110.34±1.04)μg/L,all P< 0.05]and low sodium arsenate group[(22.97±2.67),(15.75±2.15)μg/L,all P < 0.05]. Compared with sodium arsenate group,the levels of iAs~(3+) and DMA in high and low sodium arsenite group were higher(all P < 0.05) ; and the levels of iAs~(3+) and DMA in middle sodium arsenite group were lower(all P < 0.05). Meanwhile,the average urinary recovery rate of DMA of rats in different sodium arsenite group were 94.80%-102.70%,and the average urinary recovery rate of DMA of rats in different sodium arsenate group were 95.33%-108.40%. Conclusion The speciation and levels of arsenic are influenced by the external exposure dose,and some distinction appeared in the metabolism and metabolic path between sodium arsenite and sodium arsenate in urine in vivo.

Abdomen ; pathology ; surgery ; Anemia ; complications ; Castleman Disease ; complications ; diagnosis ; Child ; Humans ; Lymph Nodes ; pathology ; Male ; Treatment Outcome

Air Pollutants, Occupational ; analysis ; Solvents ; analysis

Cerebrum ; pathology ; physiopathology ; Congenital Abnormalities ; physiopathology ; Humans ; Infant, Newborn ; Male ; Neonatology ; Osteopetrosis ; complications ; physiopathology ; Research Report ; Telencephalon ; abnormalities

Objective To report the clinical outcomes of open reduction and internal fixation for capitellum fractures in adolescents.Methods From January 2010 to January 2015,14 adolescents with capitellum fracture were admitted to our department.They were 12 males and 2 females,aged from 12 to 16 years (13.7 years).By the Dubberley classification,we had 2 cases of type ⅠA,8 cases of type ⅡA,3 cases of type Ⅲ A and one of type Ⅲ B.We summarized their clinical characteristics and injury mechanisms.At the last follow-up,the therapeutic efficacy was assessed by the Mayo elbow function scores,and the ranges of motion of the elbow and forearm on the affected side were recorded.Results The 14 patients obtained an average follow-up of 12 months (from 6 to 18 months).All the cases achieved fracture union within 3 months,but malunion appeared in one.At the last follow-up,the ranges of flexion and extension of the affected elbow averaged 120.6° (from 110° to 135°),and the ranges of lateral rotation of the affected forearm averaged 160.3° (from 150° to 175°).According to the Mayo scores at the last follow-up,the elbow function was rated as excellent in 12 and as good in one.Mild traumatic arthritis occurred in 3 cases.Conclusions Capitellum fractures in adolescents are often Dubberley type A ones without a complicated fracture of the posterior condyle.Usually,the capitellum is impacted by the radial head in the process of elbow extension with valgus stress.After definite diagnosis,open anatomical reduction and reasonable and reliable internal fixation can result in good clinical results.

The necessity to apply medical devices properly was introduced, and the present situation of the application of hospital medical devices were discussed from the aspects of overuse, abuse, operation and supervision. Some countermeasures were put forward to solve the problems in the application of hospital medical devices. It's pointed out that the application of hospital medical devices tends to be standardized with the progress of medical reformation, the attention on medical devices management, the supervision and etc.

Objective To investigate the expression of aquaporins-3 (AQP3) in amniotic epithelial cells regulated by cyclic adenosine monophosphate-protein kinase A (cAMP-PKA) signal pathway and to explore the mechanisms of its expression.Methods The amniotic epithelial cells were collected from 30 patients who underwent elective caesarean sections at term with normal amniotic fluid volume and primarily cultured.The cultured cells were treated with (1) forskolin groups: different concentration (0,2.5,5,50 or 100 μmol/L) of forskolin treated cells for 2 hours,and the optimal concentration of forskolin treated cells with different time (0,1,2,10 or 20 hours) ; (2)SP-cAMP groups: different concentration (0,2.5,5,50 or 100 μmol/L) of SP-cAMP treated cells for 2 hours,and the optimal concentration of SP-cAMP treated cells with different time (0,1,2,10 or 20 hours); (3)H-89 groups: different concentration (0,5,10,50 or 100 μmol/L) of H-89 treated cells for 2 hours,and the optimal concentration of H-89 treated cells with different time (0,1,2,10 or 20 hours).The level of intracellular cAMP and activity of PKA were detected by using ELISA,and immunohistochemistry was used to detect the localization of AQP3,the protein expression of total cAMP-response element binding protein (CREB) and phospho-CREB (p-CREB) and AQP3 were assessed by western blot analysis.Cell proliferation was assessed by cell counting kit-8 (CCK-8)assay.Results (1) The brown staining of AQP3 was detected in both cell membrane and cytoplasm in each group.(2) There was no significant change of the cell proliferation rate among groups with different concentration of forskolin,SP-cAMP and H-89 treatment (P ＞ 0.05).(3) After different concentration of forskolin treated 2 hours,the expression of total CREB had no significant difference among them(P ＞ 0.05).While the expression of cAMP level,PKA activity,p-CREB and AQP3 protein were significantly changed,which were higher in 2.5 μmol/L,5 μmol/L,50 μmol/L forskolin group when compared with 0 μmol/L (P ＜ 0.05).Their expressions in 5 μmol/L forskolin group were higher than that in 2.5 μmol/L and 50 μmol/L (P ＜ 0.05).The optimal forskolin concentration was 5 μmol/L.(4) After different concentration of SP-cAMP treated 2 hours,the expression of total CREB and cAMP level had no significant difference among them (P ＞ 0.05),while the expression of PKA activity,p-CREB and AQP3 protein were significantly changed,which were higher in 5 μμmol/L,50 μmol/L SP-cAMP group when compared with 0 μmol/L (P ＜ 0.05).Their expressions in 50 μmol/L SP-cAMP group were higher than that in 5 μmol/L (P ＜0.05).The optimal SP-cAMP concentration was 50 μmol/L (5) After different concentration of H-89 treated 2 hours,the expression of total CREB and cAMP level had no significant difference among them (P ＞ 0.05),while the expression of PKA activity,p-CREB and AQP3 protein were significantly changed,which were lower in 10 μmol/L,50 μmol/L and 100 μmol/L H-89 group when compared with 0 μmol/L (P ＜ 0.05).Their expressions in 10 μmol/L H-89 group were lower than that in 50 μmol/L,100 μmol/L (P ＜ 0.05).The optimal H-89 concentration was 10 μmol/L.(6) p-CREB and AQP3 protein expression were significantly lower in 5 μmol/L forskolin combined 10 μmol/L H-89 incubating 2 hours group when compared with 5 μmol/L forskolin,but higher than that in 10 μmol/L H-89 treated group (P ＜ 0.05).Total CREB was no significant difference among the three groups (P ＞ 0.05).Conclusion cAMP-PKA signal transduction pathway may regulate AQP3 protein expression in human amniotic epithelial cells.