1.Application of geographic information systems in analysis of endemic situation of schistosomiasis
Zhaohui LI ; Yi DONG ; Xingqi DONG
Chinese Journal of Schistosomiasis Control 2009;21(6):535-537,插1
Geographic information system (CIS) was applied to analyse the endemic situation of schistosomiasis and the distribution of snails in Dali City. Hie data of endemic situation of schistosomiasis in Dali City from 2002 to 2008 were collected and a CIS database was set up. The endemic situation and the distribution of snails and acute schistosomiasis cases were analyzed by ArcGIS 9. 2 software. The results showed that the schistosomiasis transmission areas included 11 towns, 91 villages, and 401 nature villages. The trend surface analysis suggested that snail distribution in 2008 had a trend to accumulate in the northwest, while the population infection had a trend of gathering to the southeast. All acute schistosomiasis cases distributed in 6 towns, 23 villages, which showed significant aggregation by space-time clustering analysis, and three endemic villages in Xizhou Town in 2002 were identified as the first stratum endemic areas. It is concluded that CIS as database and graphics management tools can describe the epidemic situation intuitively, imaginably and macrosopically.
2.Case of intractable chest pain with back pain.
Yanfen DONG ; Zhaohui WU ; Xiaolin WANG
Chinese Acupuncture & Moxibustion 2015;35(10):1043-1043
Acupuncture Therapy
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Adult
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Back Pain
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therapy
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Chest Pain
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therapy
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Female
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Humans
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Pain, Intractable
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therapy
3.The effect of health education intervention on iodine deficiency disorders in Chinese pupils and housewives:a Meta-analysis
Sisi REN ; Yan DONG ; Zhaohui ZHONG
Chinese Journal of Endemiology 2014;33(2):211-215
Objective To comprehensively evaluate the effect of health education on intervening iodine deficiency disorders(IDD) in Chinese pupils and housewives,and to provide a basis for prevention and intervention of the disease.Methods A computerized literature search was carried out in Chinese Biomedical Database (CBM),Chinese National Knowledge Infrastructure(CNKI),VIP,Wangfang and PubMed to collect articles published from 1997-2012 concerning the effect of education intervention on iodine deficiency disorders (IDD).The study was a self-controlled intervention study.Meta-analyses were performed to assess the knowledge on IDD prevention and behavior changes.Fixed and random effect models were employed to combine results after a heterogeneity test,and rate different(RD) was used as an indicator of the intervention effect.Results A total of 20 controlled before and after studies were included in our meta-analysis.The quality of individual studies was assessed by EPOC,and all studies were grade B.Because the heterogeneity was higher,each knowledge point was stratified analyzed according to the baseline rate.The results showed that the lower the baseline rate,the better the effect of the intervention.The analysis indicated that the RD for the main harm of IDD,the RD for the key measure to prevent IDD,the RD for the meaning of the pattern on the bags,and the RD for knowledge dissemination of IDD were increased by 35%,29%,27%,42% and 47%,respectively.Conclusion Health education is helpful to Chinese pupils and housewives in improving their IDD related knowledge and their attitudes toward IDD.
4.Evaluation of the Levels of Cytokines(Interleukin-l?, Interleukin-6, Tumor Necrosis Factor-?)in Preterm Labor with Intraamniotic Infection
Zhaohui LIU ; Yue DONG ; Shurong ZHENG
Chinese Journal of Perinatal Medicine 1998;0(03):-
Objective To investigate the levels of interleukin-1?,interleukin-6,tumor necro- sis factor-? in preterm labor with intraamniotic infection(IAI).Methods Plasma and amniotic fluid were sampled from 30 women with preterm labor(Group A),31 women with term labor(Group B) and 46 women without labor but after 37 weeks(Group C).Interleukin-6 in blood,interleukin-1?, interleukin-6 and tumor necrosis factor-? in amniotic fluid were examined.IAI were diagnosed accord- ing to clinical criteria or bacterial culture or pathology.Results 1.The levels of IL-6 in blood in Group A were higher than in Group Band C(46.34 vs 20.53,6.67pg/ml,P
5.The associat ion of Her-2 amplification and overexpression with clinicopathological faetures in adenocar-cinoma of the gastroesop hageal junction
Hongbin HAN ; Baowei HAN ; Zhaohui LI ; Shuaijun DONG ; Shuiafeng LIU
Practical Oncology Journal 2014;(5):410-414
Objective To study the protein expression and gene amplification of human epidermal growth factor receptor-2(Her-2)in adenocarcinoma of the gastroesophageal junction and its association with the clinicopathological features .Methods Immunohistochemical method and fluorescence in situ hybridization ( FISH) were used to detect Her -2 expression and gene amplification in 80 surgically resected gastroesophageal junction cancer tissue .We further analyzed the relationship between the gastroesophageal junction cancer histolog -ical differentiation ,as well as depth of invasion ,clinical stage and lymph node metastasis .Results Her-2 am-plification of gastroesophageal junction carcinoma by FISH was 22.5%,while the overexpression by IHC was 15%.Her-2 gene amplification and protein overexpression were correlated with the differentiation ,clinical TNM stage,invasive depth and lymph node metastasis of the carcinoma (all P<0.05).Her-2 expression was not asso-ciated with the patients age,gender,invasive depth and lymph node metastasis(P<0.05).Conclusion Her -2 protein expression and gene amplification may be a prognostic indicator for the patients with gastroesophageal junction cancer .The joint detection of Her -2 protein expression level and the gene amplification can guide the prognosis and therapy for adenocarcinoma of the gastroesophageal junction .
6.Effect of Tianmashouwu Tablet on migraine
Zhaohui LIU ; Changquan ZHOU ; Baofan YANG ; Dong HAN ; Fulong LIAO ;
Chinese Traditional Patent Medicine 1992;0(12):-
Objective: To discover the connection between migraine and Tianmashouwu Tablet (TMT) in endothelial cell perspective. Methods: Serum containing TMT was added to rat's cerebral capilary endothelial cell's culture to observe the changes of NO and ET, and effect on express of ETmRNA and iNOSmRNA. Results: Levels of iNOSmRNA, rCMECs and ETmRNA were all downregulated, and contents of both NO and ET were decreased. Conclusions: TMT is effective in protection against rCMECs induced apoptosis, and has a therapeutic effect on migraine.
7.Effect of 532 nm picosecond Nd∶YAG laser irradiation on temperature of the pulp chamber
Xingyue DING ; Zhaohui ZOU ; Xiaoxi DONG ; Qianqian XIA
International Journal of Biomedical Engineering 2016;39(1):32-36
Objective To preliminarily select safe parameters for different forms of teeth by irradiating 532 nm picosecond Nd∶YAG laser on human isolated teeth with different irradiation time length and power.Methods Isolated human teeth including anterior teeth,premolars,molars were irradiated with 532 nm picosecond laser.Repeated measurements were made for each tooth by thermometer to measure the temperature of pulp chamber on different time point and power,and the temperature change (△T) was calculated.Results △T of the anterior irradiation group at 0.6 W,30 s;0.8 W,20 s and 30 s;1.0 W,10 s,20s and 30s were more than 5.6 ℃,which was the same with that of premolar group at 1.0 W,30s.△T of the molar group at 1.0 W,30 s was less than 5.6 ℃.Under certain power,the temperature of pulp chamber increased with the prolonging of irradiation time (P<0.05).At a certain time,temperature increased with the power (P<0.05).Conclusions It is safe to carry out operation on the parameters setting of 0.8 W,10 s and 0.6 W,20 s irradiation for anteriors teeth;0.4 W,30 s,0.8W,30 s and 1.0 W,20 s for premolar teeth,and 1 W,30 s for molar teeth.In the application of 532 nm picosecond laser,attention is required to be paid on parameter setting to control input power and irradiation time.
8.Effect of self-made Shengji ointment on wound healing after anal carbuncle
Yuan PAN ; Xiaoping XU ; Lei ZHANG ; Dong CHEN ; Zhaohui LIU
Chinese Journal of Biochemical Pharmaceutics 2015;(6):118-120
Objective To study the clinical efficacy of self-made Shengji ointment on wound healing of postoperative perianal abscess. Methods 80 hospitalized patients with simple low anal abscess after surgery were randomly divided into control group and treatment group according to random digital table method, 40 cases in each group.The self-made Shengji ointment was smeared perianally and covered with gauze in treatment group, and Mayinglong shexiang zhichuang ointments was smeared perianally and covered with gauze in control group.VAS pain score and the granulation tissue scoring criteria were used to evaluate the growth status of the granulation.Results The VAS score in two groups were lower on the 3rd, 7th and 15th day than that on the 1st day (P<0.05);the VAS score on 1st day of two groups had no statisticall significant difference, but the VAS score in the treatment group were significantly lower than that in control group on the 3rd, 7th and 15th day, respectively (P<0.05).Duration of pain in treatment group was significantly lower than that of control group (P<0.05).The granulation tissue score in two groups on the 3rd, 7th and 15th day were lower than that on the 1st day,respectively (P <0.05); the granulation tissue score on the 1st day of two groups had no statistically significant difference, but the granulation tissue score in treatment group on the 3rd, 7th and 15th day were significantly lower than that in control group, respectively(P <0.05). Conclusion Self-made Shengji ointment could significantly relive the pain in wound, and promote the growth of granulation tissue, which has better effect in the treatment of wound healing of postoperative perianal abscess than Mayinglong shexiang zhichuang ointments.
9.Equity on healthcare service utilization of China’s Urban Resident Basic Medical Insurance
Anjing LU ; Zhaohui DONG ; Binbin CHEN ; Lihua SUN
Chinese Journal of Health Policy 2015;(6):8-12
As an income redistribution mechanism, the design of Urban Resident Basic Medical Insurance ( URBMI) should reflect the inclination to take care of vulnerable populations, such as people with chronic diseases and low incomes. Therefore, whether the healthcare services of vulnerable populations have been improved, is the most important indicator to determine the effectiveness of the URBMI. Using the DID model, this paper analyzes healthcare service utilization of invulnerable and vulnerable populations before and after the establishment of URBMI ( including both outpatient and inpatient) , based on the idea that these two populations have different socio-economic and health status. Then, based on the gap between the healthcare service utilization changes of different groups, we can measure the equity in URBMI. The results show that the establishment and implementation of URBMI has indeed narrowed the gap of invulnerable and vulnerable populations with different socio-economic and health status; health-care service utilization of vulnerable populations has increased significantly, and health status has significantly im-proved. From vertical and horizontal perspectives, the results prove that the establishment of URBMI has improved the equity of healthcare service utilization among different populations across China.
10.Effects of photodynamic therapy for dental caries prevention on trace elements in tooth enamel
Qianqian XIA ; Zhaohui ZOU ; Xiaoxi DONG ; Xingyue DING ; Linlin FAN
International Journal of Biomedical Engineering 2017;40(2):123-127
Objective To study the application of photodynamic therapy (PDT) for dental caries prevention using whole body luminescence fiber,and to investigate the effects of PDT on the content of Ca and P in rat molar enamel.Method The rat dental caries model was established by inoculating with S.mutans.Eighty male rats were randomly divided into five groups,including three experimental groups:17 mW (8 mW/cm2) PDT (group A),34 mW (15 mW/cm2) PDT (group B),68 mW (30 mW/cm2) PDT (group C),a positive control group:20 g/L NaF solution (group D),and a negative control group:0.9% physiological saline (group E).The experimental groups were treated by 40 μg/mL hematoporphyrin monomethyl ether (HMME) and 650 nm diode laser irradiation.The experiments were conducted for 4 weeks.The contents of Ca and P in the molars of each group were measured by inductively coupled plasma emission spectrometry.Results The contents of Ca and P in group B,C and D after PDT were significantly higher than those in group A and E (all P<0.05).The contents of Ca and P in group A showed no significant difference before and after PDT,while those in groups B and C showed significant increase after PDT (all P<O.05).The increment of Ca in group A after PDT was lower than that in group D (P<0.05),while those in group B and C were significantly higher than those in group D (all P<0.05).There was no significant difference in the increment of Ca and P between group B and C after PDT.Conclusions In the range of the experimental parameters,the PDT promoted effect of tooth remineralization is better than 20 g/L NaF.The levels of Ca and P in the tooth enamel can be promoted by PDT treatment,and the contents of Ca and P are related to the pewer of PDT.The effect of low power PDT on the remineralization of enamel is not obvious.The contents of Ca and P in the tooth enamel are increased with laser power of PDT.When the laser power increased to a certain value,the change in contents of the two elements is not obvious.PDT can maintain the tooth remineralization microenvironment.