1.Medical monitor purchase decision based on quantitative performance evaluation
Lulu ZHANG ; Qiao TIAO ; Xiaowei SUN
Chinese Medical Equipment Journal 2017;38(2):135-137,141
Objective To realize scientific allocation of medical monitors in clinical departments by evaluating quantitatively their social and economic benefits.Methods Analyses were executed on social and economic benefit indexes,including number or times of patients involved,utility time,volatility of utilization rate (VOUR),payback period and investment yield.Results Totally 457 monitors were involved in the study from January to June 2015,and the monitors had the number or times of patients being 20,utility time being 383 h,VOUR lower than 10% (except that of February),mean payback period being 0.64 a and yearly mean investment yield being 137%.Conclusion The monitor has to be allocated by the equipment division in case of low social benefit.In case of high social benefit while low economic benefit,the monitor manufactured in China gains advantages due to short payback period,high investment yield and long free warranty time.The foreign monitor with specific function has to be selected in case of high social and economic benefits as well as requirements on special function.
2.Light-dark box as a model of state anxiety in Kunming mice: test-retest reliability and correlations between parameters
Shiguang SUN ; Mingqi QIAO ; Huiyun ZHANG
Chinese Journal of Behavioral Medicine and Brain Science 2011;20(3):198-201
Objective To explore the test-retest reliability and correlations of the light-dark box (LDB).MethodsThe behavior of mice in LDB was recorded twice, for five minutes,with a one-week inter-trial interval.Following parameters were evaluated:latency time for the first entry into the dark area (Latence); percentage of time exploring in the light area ( Ltime% ); percentage of squares crossing in the light area ( Lcross% ); total number of squares crossing ( Cross ); percentage of rears in the light area ( Lrear% ); total number of rears (Rear); total score (Total); transitions between two areas (Transition); and number of fecal boli (Fbi). Subsequently,the intraclass correlation coefficient (ICC), the Kappa agreement coefficient (Kappa) and the Pearson correlation coefficient (Pearson) were calculated for these parameters. Results ①ICC for Lrear% ( ICC =0.5207, P<0.01 ) showed a fair reliability. ②Kappa for all parameters indicated a poor reliability. ③Pearson displayed weak negative correlations between Transition and Ltime% ( Pearson = - 0.4030, P < 0.05; Pearson =- 0. 1490, P> 0. 05 ), Lcross% ( Pearson = - 0. 4331, P > 0. 05; Pearson = - 0.1893, P > 0.05 ), Lrear% ( Pearson = - 0. 4485, P < 0. 05; Pearson = 0. 02845, P > 0. 05 ), however, fair positive correlations between Transition and Cross (Pearson =0. 8603, P<0.01; Pearson =0.6341, P<0. 01 ) ,Rear(Pearson =0.4271, P>0. 05;Pearson = 0. 7245, P < 0. 001 ). Conclusion Rear is found to be stable over time, and indicated a fair reliability.There is a weak negative correlation between Transition and Ltime%, Lcross%, Lrear%, but fair positive correlations between Transition and Cross, Rear.
3.Analysis on the Monoamine Neurotransmitters in Hypothalamus of Rat Models of Liver-qi Stagnation Syndrome
Huiyun ZHANG ; Mingqi QIAO ; Li SUN
Journal of Traditional Chinese Medicine 1993;0(02):-
Objective To study the mechanism of liver-qi stagnation syndrome of rat models. Methods The binding method was used to make rat models of liver-qi stagnation syndrome and the quantitative changes of hypothalamus norepinephrine (NE), epinephrine (E), dopamine (DA), and 5-hydroxytryptamine (5-HT) before and after modeling were determined with reversed phase ion pair (RP-IP)-HPLC. Results The level of E, DA and 5-HT was remarkably increased (P
4.Correlation between two animal models of state anxiety in Kunming mice: evidence from open field test and light-dark box
Shiguang SUN ; Sheng WEI ; Peng SUN ; Mingqi QIAO ; Huiyun ZHANG
Chinese Journal of Behavioral Medicine and Brain Science 2012;21(2):101-104
ObjectiveTo explore the correlation between open field test(OFT) and light-dark box (LDB),as two animal models of state anxiety in Kunming mice.MethodsThe behavior of adult,male,Kunming mice in OFT and LDB was recorded by sequence,for five minutes,with a one-week inter-trial interval.The following parameters were evaluated:percentage of time exploring in the OFT central area( OFT-Ctime% ) ; percentage of squares crossing in the OFT central area( OFT-Ccross% ) ; total number of squares crossing in OFT(OFT-Cross) ;total number of rears in the OFT(OFT-Rear) ; number of fecal boli in OFT(OFT-FB) ; percentage of time exploring in the LDB light area( LDB-Ltime% ) ; percentage of squares crossing in the LDB light area( LDB-Lcross% ) ;and percentage of rears in the LDB light area( LDB-Lrear% ) ; transitions between two areas in LDB( LDB-Transition) ; total number of squares crossing in LDB(LDB-Croas) ; total number of rears in LDB(LDB-Rear) ; number of fecal boli in LDB (LDB-FB).Subsequently,factor analysis,cluster analysis and correlation analysis were calculated for these parameters.ResultsFactor analysis and cluster analysis of variances from either OFT or LDB revealed a three behavioral dimensions:anxiety factor ( loaded by OFT-Ctime%,OFT-Ccross% or LDB-Ltime%,LDB-Lcross%,LDB-Lrear% ),activity factor ( loaded by OFT-Cross,OFT-Rear or LDB-Transition,LDB-Cross,LDB-Rear) and emotionality factor(loaded by OFT-FB or LDB-FB).While all the variances from both OFT and LDB in combination were analyzed,it could be seen as five components:' LDB-anxiety factor ( loaded by LDBLtime%,LDB-Lcross% and LDB-Lrear% ),' OFT-anxiety factor ( loaded by OFT-Ctime% and OFT-Ccross% ),'LDB-activity factor (loaded by LDB-Transition,LDB-Cross and LDB-Rear),'OFT-LDB-emotionality factor( loaded by OFT-FB and LDB-FB) and 'OFT-activity factor (loaded by OFT-Cross and OFT-Rear).Good correlation were found between OFT/LDB factors alone and in combination,such as OFT-emotionality factor and LDB-emotionality factor(Pearson =0.383,P<0.05),LDB-anxiety factor and 'LDB-anxiety factor( Pearson =0.989,P<0.01 ),OFT-anxiety factor and 'OFT-anxiety factor( Pearson =0.934,P < 0.01 ),LDB-activity factor and 'LDB-activity factor ( Pearson =0.956,P < 0.01 ),OFT/LDB-emotionality factor and ' OFT-LDB-emotionality factor ( Pearson =0.835,P<0.01 ;Pearson =0.696,P<0.01 ),OFT-activity factor and 'OFF-activity factor( Pearson =0.926,P<0.01 ).ConclusionEither OFT or LDB comprised three behavioral dimensions:anxiety factor,activity factor and emotionality factor; however,it was difficult to establish face validity as a point-to-point concordance between OFT and LDB.Attention should be paid to heterogeneity of animal models when OFT and LDB were in combination as a behavionomics to evaluate anxiolytics in Kunming mice.
5.Endoplasmic reticulum stress inhibitor salubrinal enhanced radiosensitivity of head and neck carcinoma cells
Chaonan SUN ; Qiao QIAO ; Guang LI ; Chuyang HAN ; Ning HAN ; Miao ZHANG
Chinese Journal of Radiological Medicine and Protection 2017;37(3):177-181
Objective To explore the effect of salubrinal (sal,an endoplasmic reticulum stress inhibitor) on radiosensitivity of human head and neck squamous carcinoma cells (HNSCC).Methods Cells were divided into two groups of sal treatment and its control.For drug treatment group,cells were treated with 10 mmol/L sal for different time (12,24,36 h) and then irradiated.The levels of a core protein GRP78 of endoplasmic reticulum stress (ERS) in HNSCC (KB,Fadu,and Detroit 562 cells)were analyzed by Western blot assay at different time (0,20 min,1 h,3 h,6 h,12 h,24 h and 48 h) after irradiation.Cell survival was measured with colony formation assay.Results Western blot assay revealed that the protein levels of GRP78 in three kinds of HNSCC significantly increased from 20 min to 1 h and peaked at 3 h after radiation (t =12.72,13.37,18.31,P < 0.05).Compared with the control group,treatment of cells with sal decreased GRP78 protein levels (t =14.25,5.34,3.12,P < 0.05) in three cell lines and also significantly enhanced radiation damage and reduced cell viability.The sensitization enhancement ratios (SER) of sal in three cell lines were 1.16,1.05 and 1.06,respectively.Conclusions Rradiosensitivity of HNSCC could be effectively enhanced by sal treatment.
6.A Pilot Study on a Wide Scope of Personnel Training Model in Medical Education
Baozhi SUN ; Xiaosong YU ; Zhenfu LU ; Min QIAO ; Junbang ZHANG
Chinese Journal of Medical Education Research 2003;0(03):-
This project studied the historical and the present situation about the personnel training model in medical education and its structure. It reestablished the objectives of the medical education and the standards of the training, modified the training program, and the curriculum system, and set up the new teaching plan and syllabus. Through three years of research and implementation, the training model of widening the basic science, breaking into three stages, integrating the courses, optimizing three phases, activating teaching methods and total adaptability had been constructed.And the project had been studied, applied and spread cooperatively with 16 Chinese medical schools.
7.Correlation between hypertension and clinical probable Parkinson disease: Cohort analysis of 4 335 people in Linxian County with nutritional intervention
Jinhu FAN ; Yali ZHANG ; Ying LIU ; Xiudi SUN ; Youlin QIAO
Chinese Journal of Tissue Engineering Research 2006;10(20):157-159
BACKGROUND: Linxian County of China is one of the areas with the highest incidence of esophageal cancer and gastric cardia cancer in the world, and nutrition-deficiency is widely existing in local people. In recent years, many researches around the world revealed that the cause of Parkinson disease (PD) is related to factors of gene, age, environment, diet, nutrition and smoking. More and more studies confirmed that primary hypertension may be in relation to vascular Parkinsonism (VP) and long-term hypertension was apt to VP.OBJECTIVE: To investigate the relationship between hypertension and clinical probable Parkinson disease (PPD) in nutrition-deficient population of Linxian County and provide a theoretical basis for early prevention and treatment of PD.DESIGN: Cross-sectional study.PARTICIPANTS: A total of 4 335 subjects aged over 55 years were selected. These subjects have taken part in the nutritional intervention study of Linxian County and first entered in the cohort study in 1985. They were enrolled in the nutritional intervention study in Linxian County in 1985.METHODS: A prospective cohort study was conducted. ①Case screening: PD questionnaire (used in American Gebai County) combined with general neurological examination were adopted. ②The diagnosis of PD: Clinical diagnostic criteria of UK Parkinson Disease Society Brain Bank were taken as the criteria for screening PD. Further evaluations were undertaken for clinical PPD and clinical possible PD on subjects who had PD symptoms.The diagnostic criteria of clinical PPD: Subjects were diagnosed as having clinical PPD if they presented any two of the following two cardinal features (resting tremor, hypermyotonia, bradykinesia and impairment of postural reflexes) or presented any one of the following features (resting tremor, hypermyotonia and bradykinesia). Diagnostic criteria of clinical possible PD: Subjects were diagnosed as having clinical possible PD when presented any one of the following four cardinal features (resting tremor, hypermyotonia, bradykinesia, and impairment of postural reflexes).③Definition of hypertension: Hypertension was defined as the systolic blood pressure (SBP) ≥ 140 mm Hg or the diastolic blood pressure (DBP) ≥ 90 mm Hg. Data were processed with linear trend test and nonconditional logistic regression.MAIN OUTCOME MEASURES: Status of final diagnoses on patients and relationship between hypertension and clinical PPD.RESULTS: A total of 4 335 subjects including 2 008 males (46.32%)and 2 327 females (53.68%) participated in the screening of PD.①Results of final diagnosis on patients: Among all the 4 459 survival participants,46 subjects were diagnosed as having PD, 118 as having clinical PPD and 78 as having clinical possible PD. After excluding patients with PD or clinical possible PD, only 118 patients were diagnosed as having clinical PPD. These patients and 4 217 normal controls were analyzed and a total of 2 035 patients had hypertension. ②There were statistical correlation between hypertension and clinical PPD, RR was 1.648 (1.147-2.638), which was 1.668 (1.145-2.432) after being adjusted by possible confounding factors including age, gender, smoking, drinking and so on, the association mentioned above still existed (χ2=7.463,P=0.006). Analysis of gender showed statistically significant differences between female patients with hypertension and clinical PPD(χ2=9.669 P=0.002), and RR before adjust ment was 2.347 (1.347-4.091), which was 2.346 (1.327-4.150) after being adjusted and correlation still existed. While there were no statistical corre lations between male patients with hypertension and clinical PPD (χ2 =0.697 ,P=0.404)but there was also an ascending trend in RR value. ③ With the blood pressure increasing, the RR value correspondingly in creased with the linear trend test (χ2=11.325 ,P=0.003). And there was sta tistical significance in raw and adjusted RR value of hypertension with the BP ≥ 140/90 mm Hg. Respective statistics of SBP and DBP showed a dose-response relationship between SBP and clinical PPD; When the SBP ≥ 140 mm Hg, there were statistical significances in values of raw RR or adjusted RR of hypertension (χ2=8.007 ,P=0.018). While there were no sta tistical significances in RR values before and after adjustment of DBP (χ2 =2.569,P=0.227). CONCLUSION: Hypertension is one of the risk factors of clinical PPD in female residents older than 55 and the incidence of getting clinical PPD is increased with the heightening of BP.
8.Biocompatiblity of various polypropylene meshes in breast ptosis correction
Zhi WANG ; Wenze WANG ; Hailin ZHANG ; Baodong SUN ; Qun QIAO
Chinese Journal of Medical Aesthetics and Cosmetology 2011;17(5):369-372
Objective Implanting surgical meshes to support breast in periareoler mammaplasty shows an excellent prospect.But shrinking of the mesh and the adhesion formation affected the postoperative shape and palpation of the breast.The aim of this study was to compare biocompatible properties of four different polypropylene meshes (Prolene(R) ; Vypro Ⅱ(R) ; Premilene Mesh (R) and Premilene Mesh LP(R)) and to discuss the inclusion criteria of meshes in this technique.Methods The study was carried out in pigs.Four different polypropylene meshes were implanted subcutaneously in belly.90 days after implantation the mesh samples were explanted,and complications,foreign-body reaction,collagen fiber and elastic fiber formation were observed,as well as ultrastructures for the biocompatible properties.Results The biocompatible properties of each mesh were different.The foreign-body reactions determined the biocompatible properties,and affected the postoperative shape greatly.Conclusions Premilene Mesh LP o as a newer low-weight polypropylene mesh,has superior properties to the others.
9.Role of connexin 43 in apoptosis of pancreatic cancer cell line BxPC3
Yan SUN ; Weiyan YAO ; Yongping ZHANG ; Minmin QIAO ; Yaozong YUAN
Chinese Journal of Pancreatology 2009;9(6):391-394
Objective To investigate the role of connexin 43(Cx43)in the apoptosis of pancreatic cancer cell line BxPC and its possible mechanism.Methods pcDNA-Cx43,pcDNA-Cx43N,pcDNA3.0,siRNA-Cx43 and siRNA-NC were transfected into BxPC3 cells via liposome method.Cx43 protein and Cytochrome C(Cyt C)concentration was determined by Western blot,and the apoptosis was analyzed by Annexin V/PI binding assay.The mitechondria apoptosis pathway involved in Cx43 associated apoptosis was examined which contains the depolarization of mitechondrial membrane potential (MMP);fluorospectrophotometer was used to measure the activities of caspase-3 and caspase-9. Gap junction intercellular communication(GJIC) was determined by dye-transfer method.Results Cx43 protein expression increased after BxPC3 transfeetion,apoptosis rate increased from(6.35±0.43)%in empty vector transfection group to(14.29±1.24)%;after H202 treatment,apoptosis rate increased from(20.34±2.47)%to(31.27±2.56)%(P<0.05).Meanwhile,mitochondrial membrane potential was decreased,Cyt C was increasingly released from mitochondria,caspases activities were increased;after siRNA43 interference,apoptosis rate decreased from(7.42±0.47)% to(5.19±1.37)%,after H_2O_2 treatment,apoptosis rate decreased from (19.43±1.71)%to(11.67±1.97)%(P<0.05).Decreased mitochondrial membrane potential and Cyt C release were observed,caspases activities were decreased.GJIC of pcDNA-Cx 43 transfection group increased from 14.52±0.57 to 23.05±3.84.and it increased from 1.70 ±0.24 to 3.84 ±0.45 in the presence of β-GA(P<0.05).But the apoptosis rate was not significantly different.Conclusions Cx43 could promote BxPC3 apoptosis via mitochondrial apoptotic signal pathway,and the possible mechanism included signal pathway other than GJIC.
10.Establishment of Modern Basic Theory of Traditional Chinese Medicine, Part Ⅰ New Concept:Theoretical Premise, Reveal Connotation of Concept Towards Modern Science
Mingqi QIAO ; Sheng WEI ; Haijun WANG ; Peng SUN ; Huiyun ZHANG
World Science and Technology-Modernization of Traditional Chinese Medicine 2014;(2):216-224
Editor's Notes: The basic theory of traditional Chinese medicine is the theoretical foundation of Chinese medicine , modernization of Chinese medicine needs of the modern theory of Chinese medicine urgently . However , it is always the important issues about how modern Chinese medicine theory should be created , and what kind of theory should have been established concerned and explored by domestic and foreign counterparts in tradi-tional Chinese medicine . To lead the development of modern Chinese medicine theory , Modern Basic Theory of Traditional Chinese Medicine series of symposiums are set up specially in the current Review column, and discussed thoroughly and systematically using three consecutive pats respectively. Among them, part I contains 3 articles about new concepts, new theories, new disciplines; part II contains 5 articles about new ideas, new norms, how to clear concept, how to verify hypotheses, why to evaluate theory; part III contains 12 articles about concept of wholism updating, treatment based on syndrome differentiation development, viscera-state doc-trine innovation, pathogeny, etiology, pathogenesis, prevention, principle of treatment, knowledge structure, cogni-tion structure , monographic study , 5-year outlook . Published article on this issue is the first one belong to new concept of part I. In this paper, we want to describe the denotation and connotation of the new concept of the modern basic theory of traditional Chinese medicine from three aspects of a concept: a label , a theoretical definition , and an operational definition learning from the international academic understanding of scientific concepts, demonstrate the necessity of theoretical premise to the research and establishment of the modern basic theory of traditional Chinese medicine and the need to build on , illustrate the inevitable trend toward modern science . The whole article contains profound meaning and a certain breakthrough and innovation. We are expected to cause concerns and discusses of experts and scholars through this article .