1.A Supplementary LED Alarm System for Siemens StreamLab
Min CHEN ; Hailing QIU ; Lei CHEN
Chinese Medical Equipment Journal 2003;0(11):-
Objective To help the operator to find the alarm of Siemens StreamLab as quickly as possible. Methods Based on serial port control with VB 6.0 program, the system can catch the change of the control screen's special point and control the serial port to change the condition of the appointed pin to get a DC voltage to turn the LED on. Results The translation was implemented from screen icon alarm to LED alarm. Conclusion The LED alarm system can help the operator to observe the alarm of Siemens StreamLab promptly.
2.Influence of glucose metabolism on thyroid hormones value
Wei LI ; Hailing CHEN ; Lili DENG
Clinical Medicine of China 2011;27(5):476-479
Objective To compare the serum thyroid hormones level in patients with pre-diabetes,newly diagnosed type 2 diabetes mellitus(T2DM)and healthy people,and to investigate the association of glucose metabolism with thyroid function.Methods Sixty newly diagnosed T2DM patients(T2DM group),60 pre-diabetes patients(pre-diabetes group),and 60 healthy people(healthy group) from outpatient departments were randomly enrolled in the study.Their thyroid peroxidase antibodies(TPOAb),thyroglobulin antibodies(TGAb),thyrotropin receptor antibodies(TRAb),and thyroid color dopplar ultrasound were all normal.Thyroid hormones was measured.Glycosylated hemoglobin A1c(HbA1c),fasting plasma glucose(FPG),glycated albumin(GA) was additionally measured in T2DM patients.We compared the difference of thyroid hormones among the 3 groups and investigated the factors that influence thyroid hormones level in each T2DM patients.Results There was no significant difference found on thyroid hormones level between the pre-diabetes group and healthy group(P<0.05).T3 and FT3 level were(1.34±0.24)nmol/L and(3.88±0.51)pmol/L in the T2DM group,respectively,which were significantly lower than those in the pre-diabetes group([1.48±0.29]nmol/L and [4.12±0.55]pmol/L,t=-0.135 and -0.145,respectively,Ps<0.01= and in the healthy group([1.49±0.26]nmol/L and [4.13±0.55]pmol/L,t=-0.240 and -0.260,respectively,P<0.05 or 0.01) .In the T2DM group,T3 and FT3 were negatively correlated with FPG,GA,HbA1c(For T3:r=-0.275,-0.318 and -0.453,respectively,Ps<0.05;For FT3:r=-0.280,-0.291 and -0.336 ,respectively,Ps<0.05).Conclusion In patients with abnormal glucose metabolism, thyroid hormone was influenced only when the glucose metabolism level reached a certain abnormal degree.
3.Association of leptin receptor gene GIn223Arg polymorphism with insulin resistance in patients with metabolic syndrome
Hailing CHEN ; Lili DENG ; Jufen LI
Chinese Journal of Endocrinology and Metabolism 2010;26(9):754-757
Objective To investigate the association of leptin receptor gene Gln223Arg polymorphism with metabolism syndrome and insulin resistance. Methods The genotypes of leptin receptor in 167 patients with metabolic syndrome and 216 healthy subjects were determined by polymerase chain reaction restriction fragment length polymorphism. The biochemical indicators were detected. Results The frequency of A alleles was significantly higher in patients with metabolic syndrome than in healthy subjects. The risk of metabolic syndrome in inviduals with allele A was 3. 302 folds of that with allele G( P<0.01 ). Compared with allele G, the patients withA allele had higher body mass index,blood pressure, blood glucose, insulin level, waist circumference, and more serious dyslipidemia. The risk of insulin resistance in patients with A allele was 3. 446 folds of that with allele G (P<0.01). Conclusions Leptin receptor gene Gln223Arg polymorphism is associated with an increased risk of metabolic syndrome and insulin resistance.
4.Therapeutic effects of alendronate combined with Caltrate D on regional bone mineral density in elderly type 2 diabetic women with osteoporosis
Hailing CHEN ; Lili DENG ; Jufen LI
Chinese Journal of Geriatrics 2010;29(8):652-655
Objective To investigate the therapeutic effects of alendronate combined with Caltrate D on regional bone mineral density (BMD) in elderly type 2 diabetic women with osteoporosis. Methods Thirty-four elderly type 2 diabetic women with osteoporosis aged 60-79 years (average 68. 0±4.5 years), with body mass index (BMI) of (25.0±3.7) kg/cm2 and duration of diabetes (8.9 ±4.4) years were enrolled. At the basis of a comprehensive management, the patients were treated with alendronate combined with Caltrate D for 6 months. BMD of the lumbar spine and hip, several biochemical indexes were measured before and after treatment. Results After the 6 months treatment, the BMD of different regions at lumbar spine and hip all increased. The T value and BMD were significantly higher at lumbar spines than at hip (both P<0.01). The differences of T value and BMD of different regions were significant (P = 0.003 and 0.005,respectively). BMD percent change at lumbar spine were L4 (44.7%) > L3 (31.9%) > L total (27.3 % ) > L1 (20.0%) > L2 (14.3 % ), and the BMD percent changes were significantly higher in L3 and L4 than in other regions at lumbar spine (P=0. 038 and 0. 008, respectively). The changes of T value and BMD were significantly higher in L3, L total, L1 and L4 than in L2 (T value: P=0. 036,0. 042, 0. 006 and 0. 004, respectively; BMD: P=0. 002, 0. 002, 0. 003 and 0. 001, respectively).Conclusions On the basis of comprehensive management, the 6 months treatment with alendronate combined with Caltrate D in elderly type 2 diabetic women with osteoporosis may achieve good therapeutic effect at lumbar spines, especially at the lower lumbar spines, while less effective at hip.
5.Analysis of the microelement content in children's peripheral blood
Hailing CHEN ; Yufen TANG ; Linyan WEI
Chinese Journal of Primary Medicine and Pharmacy 2005;0(02):-
Objective To determine the relationship between the content of microelement and the health of children.Methods Atomic absorption spectrometry,aas.Children were divided into 3 groups:physically weak group,minimal brain dysfunction(MBD) group and control group.Peripheral blood gathered from all the children.Put 40?l of blood sample into the specific reagent,detect the content of zinc(Zn),cuprum(Cu),ferret(Fe),calcium(Ca),magnesium(Mg),lead(Pb),cadmium(Cd).The result was compared between the 3 groups.Results Lack of Zn,Fe,Ca and Mg mostly be detected in physically weak group(P
6.Coping strategies and influence factors among primary glaucoma patients
Cong MA ; Chen XU ; Hao YAN ; Hailing LI ; Jun LIU
Chinese Journal of Practical Nursing 2010;26(7):11-14
Objective To explore coping strategies and influence factors in primary glaucoma patients through describing characteristics of their coping strategies.Methods From November 2007 to June 2008,data were collected from 120 primary glaucoma patients in three hospitals in Guangzhou and Shenzhen.The final sample consisted of 100 patients and the data underwent analysis.Results Among different coping styles of primary glaucoma patients,facing was lower than norm,avoiding and yielding were higher than norm.The factors related to coping style were age,different cohabitant,different economic condition,different occupation,different educational level and health payment mode.Conclusions Primary glaucoma patients usually took avoiding or yielding coping styles.Nurses should help patients with low income and education background to face the disease positively.Besides,fully consideration should be given to patients with different age,at the same time,marriage and family support should also exert active function.
7.Effects of hydrogen-rich water on the expression of aquaporin 1 in the cerebral cortex of rat with traumatic brain injury
Xianjun CHEN ; Difen WANG ; Ying LIU ; Jia YUAN ; Hailing ZHANG
Chinese Critical Care Medicine 2016;28(5):460-464
Objective To investigate the effect of hydrogen-rich water on cerebral edema and aquaporin 1 (AQP1) expression in rats with traumatic brain injury (TBI).Methods Ninety male Sprague-Dawley (SD) rats were randomly divided into sham operation group,TBI model group,hydrogen-rich water treatment group (H group),with 30 rats in each group.TBI model was reproduced by weight dropping method.The skulls of rats in sham operation group underwent only craniotomy without direct hit and with bone wax sealed suture.5 mL/kg of hydrogen-rich water injection was given intraperitoneally after model reproduction in H group,and equal amount of normal saline was given in sham and TBI groups,once a day for both groups for 5 days.Six rats from each group were sacrificed at 6,12,24,48 hours and 5 days after evaluating neurological severity scores (NSS).The cerebral cortex was harvested,and the pathological changes in morphology of brain tissue were observed with light microscope.The positive expression of AQP1 in cerebral cortex was observed with immunohistochemistry by light microscopy,the AQP1 mRNA expression in cerebral cortex was determined by real-time fluorescent quantization reverse transcription-polymerase chain reaction (RT-PCR),and the AQP1 protein expression in cerebral cortex was determined by Western Blot.Results ① All rats in sham operation group had a NSS of zero at each time point.NSS of TBI group was obviously raised with time prolongation,and peaked at 24 hours followed by a lower tendency,while the score in H group was significantly lower than that of TBI group,and the difference was the most obvious at 24 hours as compared with TBI group (9.83 ± 2.78 vs.13.50± 2.42,P < 0.05).② It was shown by light microscope that in the TBI group there were pathological changes in cerebral cortex,including obvious irregular arrangement of nerve cells,cerebral edema,obvious bleeding,especially at 24 hours,then the cerebral edema became vanished gradually;and the positive expression of AQP1 in the pia mater at all the time points in the TBI group was significantly increased,and it was most obvious at 24 hours.Compared with TBI group,the pathological changes at time points of 12 hours to 5 days in H group was significantly lessened,and the positive expression of AQP1 in the cerebral pia mater was reduced obviously.③ Compared with sham operation group,the mRNA and protein expressions of AQP1 in cerebral cortex in TBI group were significantly elevated,peaked at 24 hours [AQP1 mRNA (2-△△Ct):7.50±0.26 vs.1,AQP1 protein (gray value):1.986±0.110 vs.0.336±0.034,both P < 0.05],then they gradually declined.The mRNA and protein expressions of AQP1 in cerebral cortex were significantly decreased after hydrogen-rich water treatment [24-hour AQP1 mRNA (2-△△Ct):5.40±0.21 vs.7.50±0.26,24-hour AQP1 protein (gray value):1.246±0.137 vs.1.986±0.110,both P < 0.05].Conclusions The up-regulation of AQP1 mRNA and protein in ratst cerebral cortex after TBI perhaps participates in edema formation which might be involved in the pathophysiology of cerebral edema in TBI.Early treatment with an intraperitoneally injection of hydrogen-rich water is capable of attenuating the extent of TBI-induced up-regulation of AQP1 mRNA and protein,alleviating cerebral edema,and achieving its protective effects.
8.Effect of recombinant human granulocyte/macrophage colonystimulating factor combined with nano-silver for deep burn degreen Ⅱ about treatment
Jingzhe YANG ; Fengping CHEN ; Xinshu FENG ; Hailing WEN ; Qiying GENG
The Journal of Practical Medicine 2014;(15):2387-2390
Objective To observe the effect of recombinant human granulocyte/macrophage colonystimulating factor (rhGM-CSF) combined with nano-silver for deep burn degreen Ⅱ. Methods The burn model were done with Wistar rats. They were randomly divided into four groups , group A (n = 30): petrolatum treatment, group B(n = 30): nano-silver treatment, group C(n = 30): rhGM-CSF treatment, and group D(n =30): rhGM-CSF combined with nano-silver treatment. The healing rates of the four groups were observed on postburn day 1, 4, 7, 10, 14, 21. Meanwhile the levels of VEGF and EGF in serums were measured with ELISA. Results All groups started to heal on postburn day 10. Group A had inflammation obviously , and group D moderately. There were significant difference in the healing retes on postburn day 10 , 14, 21 between four groups (P < 0.05). The level of VEGF in group A peaked on postburn day 21 (25.76 ± 1.46)pg/mL, but the levels of VEGF in group B, group C and group D peaked on postburn day 14[(29.73 ± 1.58)pg/mL, (38.91 ± 2.38)pg/mL, (43.54 ± 1.28)pg/mL]. On postburn day 4, 7, 10, 14, 21, there were significant difference(P <0.05). The level of EGF peaked on postburn day 21 in all groups [(0.72 ± 0.14)ng/mL, (0.93 ± 0.13)ng/mL, (1.18 ± 0.16)ng/mL, (1.50 ± 0.15)ng/mL]. There were significant difference on postburn day 7, 10, 14, 21 between four groups (P < 0.05). Conclusions rhGM-CSF combined with nano-silver treatment could promote wound healing, and be better than rhGM-CSF and nano-silver singly.
9.Cleaning Efficacy of Automatic Cleaning Machines Evaluation and Impact Factors
Ling SHANG ; Hailing XU ; Hongmei WANG ; Xinhua WANG ; Meiying CHEN
Chinese Journal of Nosocomiology 2005;0(11):-
OBJECTIVE To evaluate the cleaning efficacy of the automatic cleaning machine and the risk factors to ensure the effect of disinfection and sterilization. METHODS Cleaning efficacy of the automatic cleaning machines was detected by STF cleaning test card.It was put in the first cabin of every automatic cleaning machine.And it was also tested for these factors in determining cleaning qualities such as enzyme concentration,water temperature and pieces of instruments washed. RESULTS The cleaning efficacy of the automatic cleaning machines was 98.9% in the continuous two years.The qualified rate was 98.6% for surgical instruments,99.4% for all instrument in clinical sections. CONCLUSIONS The machine is suitable for the cleaning of surgical instruments.It also raises working efficiency,cutting down the cost of repairs and maintenance,reducing the chances of injury and infections in nurses who performed manual cleaning precedures.The procedures of the STF cleaning test card in detecting the cleaning efficacy is simpler,safer,and suitable for clinical applications.
10.Change and significance of CD8+ CD25+ FoxP3+ regulator T cells in peripheral blood of patients with pre-eclampsia
Jianxiu YU ; Hongyou WANG ; Lei QIAN ; Wei CHEN ; Hailing SUN
Chinese Journal of Immunology 2017;33(6):900-904
Objective:To explore the rule of CD8+CD25+FoxP3+ regulator T cells(Treg) in the pathogenesis of pre-eclampsia (PE) in peripheral blood.Methods:This study included 24 gestational-age-matched healthy pregnant women and 46 pregnant women diagnosed with mild PE (MPE,n=24) or severe PE (SPE,n=22) during the third trimester of gestation.An 3 ml sample of peripheral blood was drawn from each subject and anti-coagulated with heparin sodiurm The percentage of CD8 + CD25 + FoxP3 + Treg cells was detected by flow cytometry.The cytokines IL-6,IL-17A,IL-10,IL-1,IL-33 and TGF-β31 were detected using Luminex200.Peripheral blood mononuclear cells (PBMCs) were isolated frum healthy controls and treated with IL-33,the percentages of CD8+ CD25+ FoxP3 + Treg cell were measured by flow cytometric detection.Results:Compared to that of healthy pregnant controls [0.48(0.21-0.96)%],MPE patients [0.32(0.19-0.63)%] and SPE patients [0.13(0.02-0.41)%] had lower percentages of CD8+CD25+FoxP3+Treg cells (P<0.05).Compared to HP controls,higher levels of IL-6 and IL-17A were found in MPE and SPE patients(P<0.05) and even higher in SPE patients.The levels of IL-10,IL-1[β and IL-33 were similar in all three groups (P>0.05).Compared to HP contruls,the levels of TGF-[β1 was significantly increased in SPE and MPE patients(P<0.05),but no significant differences were found between these two groups (P > 0.05).The percentage of CD8+ CD25+ FoxP3+ Treg cells showed a negative correlation with the serum concentrations of IL-17A (r =-0.338,P =0.338),and a positive correlation with the serum concentrations of IL-33 (r =0.548,P =0.548).After PBMCs were treated with IL-33 for five days,the percentages of CD8+CD25+FoxP3+ Treg were significantly higher than those of the contruls (P<0.05).Conclusion:These findings suggested that the reduced CD8+ CD25 + FoxP3 + Treg cells may play a role in the pathogenesis of ore-eclamosia.