1.Analysis of endemic changes of schistosomiasis in China from 2002 to 2010
Qiang WANG ; Jing XU ; Lijuan ZHANG ; Hao ZHENG ; Yao RUAN ; Yuwan HAO ; Shizhu LI ; Xiaonong ZHOU
Chinese Journal of Schistosomiasis Control 2015;(3):229-234,250
Objective To provide the reference for schistosomiasis control through analyzing the changes of endemic status of schistosomiasis in China in recent years. Methods The annual data of schistosomiasis prevention and control from 2002 to 2012 were collected, and the descriptive analysis was conducted to describe the changes of schistosomiasis endemic status. Re?sults Sichuan, Yunan and Jiangxi provinces reached the criteria of transmission controlled from 2002 to 2010 while Hubei, Hu?nan, Jiangxi and Anhui provinces reached the criteria of infection controlled in 2008. The number of counties where the trans?mission of schistosomiasis was controlled decreased from 110 in 2002 to 80 in 2010. The numbers of estimated schistosomiasis cases and reported acute cases fell from 810.4 thousands and 913 in 2002 to 325.8 thousands and 43 in 2010, respectively, and they were reduced by 59.79%and 95.40%respectively. The number of infected bovine went down from 23 199 in 2002 to 7 173 in 2010, with a fall of 69.03%. However, the Oncomelania hupensis snails breeding areas kept in 3.7 to 3.8 billion m2 and among which, 125 million m2 areas were newly discovered in non?endemic areas during the nine years. In 2010, 90%of schistosomiasis cases, acute cases, infected bovine, and snail breeding areas were concentrated in 5 provinces, especially in the Dongting Lake and Poyang Lake areas and the regions along the Yangtze River. Conclusions The epidemic of schistosomiasis decreased sig?nificantly from 2002 to 2010. The lake regions are the key and tough areas for schistosomiasis prevention and control. To consoli?date the achievements, the surveillance and case management need to be strengthened as the extension of snail breeding areas and acute cases reported from other places becomes common.
2.A comparative study on accommodative microfluctuation between emmetropic and myopic school-aged children
Kai, DIAO ; Jing-jing, XU ; Zhi-li, ZHENG ; Jin-hua, BAO ; Hao, CHEN
Chinese Journal of Experimental Ophthalmology 2013;(6):555-558
Background The incidence of myopia is increase.Some researches documented that formation of myopia is closely related with weakness of the accommodative response,enhancement of accommodative lag and accommodative microfluctuations in short-distance use of eyes.However,there still is controversy.Objective This study sought to compare the accommodative microfluctuations among emmetropic and myopic school-aged children at reading,and to discuss its potential relationship with the onset and development of myopia.Methods A casecontrolled study was designed.Eighty-nine children aged 8-12 years old were recruited in this study,including 47emmetropic children and 42 myopic children.Refractive error were checked by subjective refraction in phoropters and binocular vision and stereopsis were examined in all the subjects.A Grand Seiko WAM5500 auto-refractor was used to measure the accommodative responses and accommodative microfluctuations with different stimulus in 40 cm and 25 cm.The differences in accommodative response and accommodative microfluctuations at 25 cm and 40 cm reading distance were compared between the emmetropic children and myopic children using independent sample t test,and change of accommodative microfluctuations in myopic children at 25 cm and 40 cm reading distance was evaluated by paired t test.Results When the reading distance was 25 cm and 40 cm,the accommodative responses of emmetropes were (2.67 ±0.31) D and (1.70 ±0.23) D,and they were higher than (2.31 ± 0.33) D and (1.49 ±0.24) D of myopes,showing significant differences (t =5.330,P =0.000; t =4.140,P =0.000).Accommodative microfluctuation of myopes was(0.35 ±0.16)D in 25 cm reading distance and that of emmtropes was(0.26±0.08)D,with significant difference between them (t =3.180,P =0.002).However,there was not significant difference in accommodative microfluctuation at 40 cm reading distance between the myopic children and emmtropie children [(0.27±0.10) D vs.(0.24±0.09) D] (P=0.220).In myopic children,the accommodative microfluctuation at 25 cm reading distance was(0.35±0.16) D,showing a much increase than(0.27±0.10) D at 40 cm reading distance(t=3.850,P =0.000),but an insignificant difference in the accommodative mierofluctuations was seen between the 25 cm and 40 cm reading distance in the emmetropic children (P =0.145).Conclusions With the increased accommodative stimulus,myopic children present lower accommodative responses and larger accommodative microfluctuations.
3.Correlation of the second to fourth digit ratio with the body mass index of infertile men.
Hao-chen YU ; You-jing SHENG ; Zhi GENG ; Jun-li ZHAO ; Jun-jie LIU ; Zheng-hao HUO ; Hong LU
National Journal of Andrology 2015;21(11):977-981
OBJECTIVETo investigate the relationship between the second to the fourth digit ratio (2D:4D) and body mass index (BMI) in infertile men of the Han ethnic group in Ningxia.
METHODSUsing anthropometry, we calculated the mean ratio of 2D:4D and BMI of 197 infertile men and 148 normal healthy male controls, followed by analysis of their relationship.
RESULTSThe BMI was correlated positively with the 2D:4D ratio of the left hand in the infertile men (P < 0.05) and in the patients with a higher 2D:4D ratio of the left hand (P < 0.05), but negatively with the 2D:4D ratio of the righ/left (Dr-1) (left: P < 0.01; Dr-l: P < 0.05). The mean 2D: 4D ratio and BMI were both lower in the normal control than in the infertile men, with statistically significant differences in BMI (P < 0.05) and the 2D:4D ratio of the left hand (P < 0.05).
CONCLUSIONThere is a correlation between the 2D:4D ratio and BMI in infertile men.
Body Mass Index ; Case-Control Studies ; Fingers ; anatomy & histology ; Humans ; Infertility, Male ; diagnosis ; Male
5.The present status and development of biotelemetry.
Run-jing ZHOU ; Zheng-qing HAO
Chinese Journal of Medical Instrumentation 2002;26(3):212-214
Telemetering is one of the ideal methods of metering biomedical signal. This paper emphasizes remote medical treatment system and its exploitation, realization and application. It gives an overview of the recent development of biotelemetry. At the same time, it discusses the principle, realization, new development of other biotelemetry methods and further research tendencies on biotelemetry as well.
Biotechnology
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Electrocardiography, Ambulatory
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instrumentation
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Humans
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Internet
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Monitoring, Physiologic
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instrumentation
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Signal Processing, Computer-Assisted
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instrumentation
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Telecommunications
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instrumentation
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Telemedicine
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Telemetry
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instrumentation
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trends
6.Efficacy evaluation of heat-sensitive moxibustion for chemotherapy symptoms of large intestine cancer.
Zhiping LI ; Zhi ZHENG ; Lijun WANG ; Weiyun XIAO ; Jiquan ZENG ; Jing HAO ; Rixin CHEN ; Dingyi XIE
Chinese Acupuncture & Moxibustion 2015;35(10):1010-1013
OBJECTIVETo analyze and evaluate the clinical efficacy of heat-sensitive moxibustion for symptoms of large intestine cancer.
METHODSSixty patients with large intestine cancer were randomly divided into an observation group and a control group, 30 cases in each one. FOLFOX chemotherapy regimen was used in the two groups,and heat-sensitive moxibustion was added in the observation group. The acupoints were Zusanli(ST 36), Sanyinjiao (SP 6) Xuehai (SP 10) and Geshu (BL 17), etc. The treatment was applied once a day,five-day treatment as one course. Four courses were required. The reaction rates of uncomfortable symptoms by the Chinese version of the M. D. Anderson symptom inventory (MDASI-C) scale and clinical effects were analyzed and evaluated in the two groups.
RESULTSAfter treatment, the MDASI-C reaction rate of uncomfortable symptoms in the observation group was 50.4% which was lower than 53.3% in the control group (P < 0.05). The total effective rate of symptom improvement in the observation group was 83.3% (25/30), which was higher than 60.0% (18/30) in the control group (P < 0.05).
CONCLUSIONHeat-sensitive moxibustion can improve symptoms of chemotherapy for large intestine cancer.
Aged ; Antineoplastic Agents ; adverse effects ; therapeutic use ; Antineoplastic Combined Chemotherapy Protocols ; adverse effects ; therapeutic use ; Colorectal Neoplasms ; drug therapy ; Drug-Related Side Effects and Adverse Reactions ; etiology ; therapy ; Female ; Fluorouracil ; adverse effects ; therapeutic use ; Humans ; Intestine, Large ; drug effects ; Leucovorin ; adverse effects ; therapeutic use ; Male ; Middle Aged ; Moxibustion ; instrumentation ; Organoplatinum Compounds ; adverse effects ; therapeutic use ; Treatment Outcome
7.In vitro imaging study of E-selectin receptor-targetting ultrasound contrast agent
Hao WU ; Yuli ZHOU ; Jing ZHANG ; Meijun ZHOU ; Sushu LI ; Hairong ZHENG ; Hongmei LIU
Chinese Journal of Nuclear Medicine and Molecular Imaging 2017;37(2):86-90
Objective To develop a vulnerable plaque targeting ultrasound contrast agent (UCA) and to evaluate its affinity and imaging performance in vitro.Methods E-selectin receptor-targeting UCA,which conjugated with monoclonal antibody of E-selectin,was prepared with filming-rehydration method and biotin-avidin linkage.The size and distribution of UCA were measured with particle size analyzer,the connectivity condition of microbubbles with E-selectin antibody was also detected with fluorescence analysis.The cytotoxicity from microbubble and ultrasound irradiation was evaluated through cell counting kit-8 (CCK8) assay.The adhesion effect of UCA was assessed after co-incubated with activated mouse endothelial cells (bEnd.3) and compared with that of free antibody intervention group and control group.The imaging performance of UCA at different time points was observed on an ultrasound equipment with a high-frequency transducer.Two-sample t test and one-way analysis of variance were performed to analyze the data.Results E-selectin receptor-targeting UCA was successfully prepared.The cytotoxicity result with CCK8 assay demonstrated the favorable biocompatibility of UCA.The connection amount of UCA on activated bEnd.3 cells ((6.23 ± 0.45) bubbles/cell) was significantly higher than that of the free antibody intervention group ((1.57±0.34) bubbles/cell) and control group ((0.07±0.03) bubbles/cell;F=291.43,P<0.01).The performance of in vitro ultrasonography at the same time points showed no obvious difference between targeting UCA and control UCA (all t<0.51,all P>0.05).Conclusions The prepared E-selectin receptor-targeting UCA has favorable targeting and imaging capabilities.It might be a potentially ultrasound molecular imaging agent for early detection and prognosis evaluation of vulnerable plaque.
8.Application of digital subtraction angiography-guided insertion of totally implantable venous access port in digestive system cancer patients
Yubin HU ; Mingzhi HAO ; Hailan LIN ; Qizhong CHEN ; Zhangxian CHEN ; Jianxiong ZHENG ; Jianbin CHEN ; Jing QING
Chinese Journal of Clinical Nutrition 2016;24(3):167-171
Objective To investigate the safety , feasibility , and clinical application value of digital sub-traction angiography ( DSA) -guided insertion of totally implantable venous access port ( TIVAP) in patients with digestive system cancer .Methods We retrospectively analyzed the data of 15 digestive system cancer patients who were inserted with TIVAP under DSA guidance between April 2013 and January 2016, recorded the TIVAP-related complications and indwelling time, and investigated the patients’satisfaction about TIVAP.Paired rank sum test was used for the differences in patients’quality of life before and after the insertion of TIVAP.Results Of the 15 digestive system cancer patients , operation success rate of TIVAP insertion was 100%, with the success rate of venipuncture on first attempt being 100%.The incidence of complication was 6.67% ( 1/15 ) , which was manifested as pull feeling at the neck occurring in the eighth month after insertion .The indwelling time of TIVAP was from 2 to 28 months, with a median value of 9 months.Patients’satisfaction rate of TIVAP was 86.67%(13/15).The proportion of patients with a good quality of life was 100%(15/15), statically signifi-cantly higher than that before the insertion [46.67%(7/15), Z=-3.416, P=0.000).Conclusions TIVAP insertion under DSA guidance in digestive system cancer patients is safe and feasible , with few complications and fair patient satisfaction .It may improve the patient ’s quality of life , worthy of clinical application .
9.Space-time clustering analysis of acute schistosome infections in marshland and lake areas in five provinces
Lijuan ZHANG ; Zhimin XU ; Hao ZHENG ; Shizhu LI ; Jing XU ; Rong ZHU ; Jiagang GUO
Chinese Journal of Schistosomiasis Control 2014;(3):245-249
Objective To analyze the time and space aggregation of acute schistosome infections in marshland and lake areas in five provinces(Jiangsu,Anhui,Jiangxi,Hubei and Hunan province)from 2005 to 2012,so as to provide the evidence for es-tablishing control strategies and taking effective control measures. Methods The data of patients with acute schistosome infection in marshland and lake areas in five provinces from 2005 to 2012 were collected and analyzed with the concentration ratio and circu-lar distribution methods for the epidemic season features and time aggregation of the infection,and with the spatial autocorrelation analysis for the space aggregation of the infected cases. Results According to the concentration ratio,the occurrence of acute schistosome infection had strong seasonality,and the concentration ratio was 0.758;according to the circular distribution method, the peak day of acute schistosome infections was 10th,August. The spatial analysis suggested that the infected cases highly gath-ered around Poyang Lake,Dongting Lake and Yangtze River Basin in 23 counties of the five provinces,and the result of spatial au-tocorrelation analysis showed that the spatial autocorrelation index I was 0.16(P=0.01). Conclusion The occurrence of acute schistosome infections in lake regions of the 5 provinces shows strong seasonality and space aggregation,therefore we can bring the control mark forward,and take targeted prevention and control measures in high aggregation areas of acute schistosomiasis.
10.Prenatal diagnosis and mutation analysis of fibroblast growth factor receptor 3 gene in achondroplasia
Shengju HAO ; Yousheng YAN ; Jing LI ; Lei ZHENG ; Chuan ZHANG ; Jici LIANG ; Xue CHEN
Chinese Journal of Perinatal Medicine 2016;19(2):85-89
Objective To explore the value of prenatal genetical diagnosis by mutation analysis of achondroplasia (ACH) fibroblast growth factor receptor 3 (FGFR3) gene.Methods Genomic DNA from nine ACH patients and their parents in Gansu Maternal and Child Health Hospital from July,2010 to December,2014 was prepared for polymerase chain reaction.Direct sequencing revealed the samples were performed after amplification of exon 10 of FGFR3 containing the potential mutation.Fetal DNA was extracted from cells in both amniotic fluid and umbilical cord,and then exon 10 of FGFR3 was also tested.Three fetuses with short-limb dysplasia were also included and prenatal diagnosis was offered to them through amniocentesis or cordocentesis.Results Prenatal ultrasonography test showed shorter femoral length,which was less than 2-3 standard deviation of normal reference dysplasia fetal performance for femoral short.Femur length is lower than 2-3 standard deviation minus normal value,and discrepancy in biparietal diameter compared with fetuses at the same gestational age.In the four families with one ACH parent,c.1138G > A heterozygous mutation was detected in all of the four mothers,while two fetuses among them showed c.1138G > A heterozygous mutation mutation and the other two were normal.There were other two fetuses with c.1138G > A heterozygous mutation from other two families,one's father had c.1138G > A heterozygous mutations,but not the mother,the other had c.1138G > A heterozygous mutations in both the mother and father.Among the three families with unaffected parents but each had a de novo c.1138G > A mutation child,no mutation of c.1138G > A genotype was detected in their fetuses,neither in the three fetus with short limb dysplasia.Four fetuses with a c.1138G > A mutation and three with short-limb dysplasia were terminated.The other five fetuses whose genotype was normal were born and healthy with normal phenotype at one-year-old follow-up.Conclusion FGFR3 genetic analysis could provide information for genetic counseling and prenatal diagnosis for ACH parents or parents who had an ACH baby to prevent birth defect.