Objective To investigate the role of sex chaperone on self-acceptance,anxiety,depression and coping strategy in stable phase extensive burn patients'.Methods According to the different role of accompanies,the extensive burn patients in stable phase were divided into sex chaperone accompany groups(treatment group)and non-sex chaperone accompany group(control group).They were assessed by self-acceptance questionnaire(SAQ),self-rating anxiety scale(SAS),self-rating depression scale(SDS)and medical coping modes questionnaire(MCMQ).The results were statistically analyzed.Results The treatment group patients'results are as follows:SAQ total score was(41.37±6.98),self-acceptance factor score was(20.56±4.87),self-evaluation factor score was(22.35±5.82),MCMQ facing factor score was(21.80±4.07),MCMQ avoiding factor score was(22.35±5.82).The results of treatment group patients were significantly higher than those in control group,it had significant differences(P<0.05 or P<0.01);while the treatment group patients'scores of SAS,SDS,MCMQ yield factor were significantly lower that those in the contorl group.The self-acceptance factor score appeared to be negative correlation with the SAS score,SDS score and MCMQ yield factor score,while to be positive correlation with MCMQ facing/avoiding factor score.Conclusion Sex chaperone'accompany can eliminate the extensive burn patients'tension and the effect of adverse psychological factors,and meet family love needs of patients,then improve the level of patient self-acceptance,reverse the negative emotion of patients,and guide patients in a positive way to face the disease.

Objective To present a new method of motor power control in order to realize the precise motor power control of medical equipment. Methods The power control method based on PWM Modulation circuit was proposed by researching the DSP microcontroller TMS320LF240x. Results The test results fully satisfied the design requirements. Conclusion The system has simple structure,good programming,and can use different control algorithms in different applications without the need for change in the external circuit,which is easy to upgrade and meet the needs of special occasions.

Objective To analyze the incidence of hospital-acquired infection and the distribution of pathogens through data from the hospital infection surveillance networks in Shandong. Methods A meta-analysis was made of the data submitted by the hospitals involved in the provincial surveillance networks from August 2001 to July 2004. Results The surveillance data involved 1 776 030 hospitalized patients, of whom 43 355 had a hospital-acquired infection, the incidence of hospital-acquired infection being 2.44‰. Respiratory-tract infections were most frequent, followed by gastroenteric-tract infections, urinary-tract infections and surgical-site infections. A total of 6 251 strains of pathogens were isolated, the most commonly identified pathogens being Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, Klebsiella pneumoniae, Candida albicans and Staphylococcus epidermidis. Conclusion It is imperative to reinforce the sterilization of air and medical instruments, strictly abide by aseptic manipulation, and promote the rational use of antimicrobials. Hospital infection surveillance ought to be conducted by the combined method of prevalence surveys and the targeted surveillance of key sectors.

Objective To introduce a new method for ultrasonic imaging,3D image fusion technique,and its clinical applications and prospects.Methods A lot of domestic and foreign papers related to 3D image fusion technique were referred to.Results 3D image fusion technique had giant advantage in diagnosis and treatment of tumor.Conclusion 3D image fusion technique is found with a big potential and its extensive application has to take time.

This paper introduces the application of computer to medical ultrasound images in which the processing of medical ultrasound images and picture archiving and communication system(PACS) are involved in.

Rapid diagnosis is an important link in the prevention and control of infectious diseases.Point-of-care testing(POCT)is portable, fast, easy to operate, intelligent and sensitive, which has been widely used in the detection of pathogenic microorganisms of infectious diseases, host biomarkers, microbial drug sensitivity in recent years.It is of great significance for the monitoring and management of disease epidemiology and rational use of antibiotics.This review summarized the application of POCT in the diagnosis and treatment of pediatric infectious diseases.

Objective To explore the associated risk factors on patients with organophosphorus poisoning combine with respiratory failure secondary pulmonary infection.Methods Two hundred and twenty-four clinical data of organophosphorus poisoning combine with respiratory failure were collected from January 2009 to May 2013.Retrospectively analyzed the situation of pulmonary infection and Logistic regression model were used to analyzed the relative risk of organophosphorus poisoning combine with respiratory failure secondary pulmonary infection.Results The secondary pulmonary infection rate of organophosphorus poisoning combine with respiratory failure was 68.75％ (154/224).Logistic regression analysis showed that combined with aspiration,hand hygiene,breathing machine,the decrease of cholinesterase activity were the relative risk factors (P ＜ 0.05).Conclusions The secondary pulmonary infection rate of organophosphorus poisoning combine with respiratory failure is higher.Combined with aspiration,hand hygiene,breathing machine,the decrease of cholinesterase activity may be the relative risk factors.

Objective To determine the transfection of PTEN gene in human ovarian carcinoma SKOV3 cells by ultrasound mediating and contrast agent′s enhancing, and to explore the mechanism of PTEN gene inhibiting the tumor cells′ invasion. Methods After addition of PTEN gene and 5 ?l lipofectamine,human ovarian carcinoma SKOV3 cells on 6-well plates were explored to ultrasound for 60 s in the presence(200 ?l) of ultrasound agent. The invasiveness of transfected cells was measured quantitatively by Matrigel invasion assays(Transwell chamber) after 48 h. Results The invasiveness of SKOV3 cells transfected by ultrasound-mediated PTEN gene was significantly declined compared with that of the controls. Conclusions The transfection of PTEN gene into SKOV3 cell can inhibit their invasion.The gene transfection can be enhanced by ultrasound and contrast agent,which may be expected to be a new means of clinical gene therapy.

Objective To investigate the current situation of maternal self- efficacy of breastfeeding and explore its influencing factors in Zhengzhou. Methods Using the general condition questionnaires, breast feeding self-efficacy scale, perceived social support scale and Edinburgh postnatal depression scale to assess the situation of 180 puerperas by the convenience sampling in one obstetric hospital of Zhengzhou. Results The total score of maternal breast feeding self-efficacy was(114.04 ± 21.57)points.The frequency of delivery, the way of delivery and feeding ways, the average income of family were effected with breastfeeding self-efficacy. The total score of social support was(68.87 ± 10.43) points, the total score of puerperas depression was(7.61 ± 4.25) points.The social support score had positive correlation with breastfeeding self-efficacy(r=0.423, P<0.01). Puerperas depression had negative correlation with breastfeeding self- efficacy(r=- 0.342, P<0.01). Conclusions The maternal breastfeeding level in Zhengzhou was at a lower level. The level of maternal breastfeeding self-efficacy scale was impacted by maternal social support degree, the degree of depression. Measures should be taken to enhance maternal social support degree, reduce the degree of depression, in order to improve the level of maternal breastfeeding self-efficacy.

Objective To investigate the level and proportional relationship of free fluorine and soluble fluoride in different brands of toothpaste,and analyze possible risk factors.Methods A total of 54 samples of commercially available toothpastes of domestic,joint venture and imported in Guiyang City were collected,and the levels of free fluoride and soluble fluorine were determined,respectively,using fluorideion selective electrode.method (GB 8372-2008).Results The number of the toothpaste was 32,12,10,respectively,in domestic,joint venture and imported.The levels of free fluorine ranged from 0.98 to 1 603.50 mg/kg,3.22 to 617.50 mg/kg and 306.80 to 1 590.80 mg/kg,respectively,in toothpastes of domestic,joint venture and imported; the number of exceeding the standard free fluorine was 3,0 and 1,respectively,in toothpastes of domestic,joint venture and imported; the rate of exceeding the standard free fluorine was 9.4％,0.0％ and 10.0％,respectively,in toothpastes of domestic,joint venture and imported.The levels of soluble fluorine ranged from 3.06 to 4 302.50 mg/kg,9.02 to 1 667.30 mg/kg and 9.18 to 4 013.20 mg/kg,respectively,in toothpastes of domestic,joint venture and imported; the number of exceeding the standard soluble fluorine was 9,2 and 3,respectively,in toothpastes of domestic,joint venture and imported; the rate of exceeding the standard soluble fluorine was 34.4％,16.7％ and 30.0％,respectively,in toothpastes of domestic,joint venture and imported.The proportion of free fluorine and soluble fluoride was:domestic 1.0 ∶ 2.7,joint venture 1.0 ∶ 2.7,imported 1.0 ∶ 2.5,respectively.The confidence limit (R/d) was 0.98.Conclusion The fluoride level in different brands of toothpaste has exceeded the standard,the content and proportion of soluble fluoride are obviously higher than those of free fluoride,and there is a risk on tooth damage from fluoride,and factories should strengthen quality control in adding fluoride.