2.Study on the changes of regional left ventricular function with aging in normal subjects by Doppler tissue imaging
Qing YU ; Xinglin LUO ; Yongquan PENG ; Ying FAN ; Yuli GAO
Chinese Journal of Geriatrics 2003;0(08):-
Objective To evaluate the changes of left ventricular regional function in normal subjects with aging and the influencing factors by Doppler tissue imaging. Methods One hundred and twelve normal subjects were divided into four groups according to age: I group with age≤18 years old ; II group with 18 60 years old. Using a quantitative tissue velocity analysis system and tissue tracking, the peak velocities of different ventricular segments at systole, early and late diastole (Vs, Ve,Va) , the Ve/Va ratios were obtained and the effects of age, gender, heart rate and STd were analyzed. Results (1) Peak velocities of different segments of each wall were decreased one by one from mitral annulus, the basal, middle segment to the apical portion. (2) Peak velocities of different ventricular walls were significantly different, with the antero- and posterio-inter-ventricular septum being the lowest CVe (6. 89?2. 60) ,(7. 94?2. 64)cm/s]and with the latero-,posterio-,antero, and inferior walls of the left ventricle being higherCVe (9. 85?3. 02) , (9. 80?3. 09), (8. 86?3. 16), (8. 23?2. 48) cm/s] . (3) Peak velocities of different segments were associated with age, STd, BMI, heart rate and not associated with gender. (4) The Ve/Va ratios were increased one by one from mitral annulus, basal, middle segment to apical portion, and were significantly lower in III group and IV group than in I group and II group. Conclusions Peak velocities of different segments at different walls change regularly and age is the most important influencing factor to the diastolic velocities.
3.Design and Application of Pre-dispensing Management Mode and Computer System in Outpatients Dispensary
Fan XU ; Guili XU ; Qing ZHANG ; Fang YU ; Fanfan KONG
China Pharmacy 2005;0(22):-
OBJECTIVE:To esbablish pre-dispensing management mode and computer system in outpatient dispensary to facilitate the practice of hospital pharmaceutical care.METHODS:The establisment and application of the pre-dispensing management mode and computer system in outpatient dispensary were analyzed from aspects of hardware preparation,design of system framework and functional modules of the system.RESULTS:The application of pre-dispensing management system brought down the dispensing error rate and reduced patients' waitting time.The stability of the computer system was the key to ensure smooth operation of the pre-dispensing management mode.CONCLUSION:The practice of the pre-dispensing management mode facilitates the formation of good pharmaceutical care system and is a good dispensing managment mode suitable for sound development of hospital pharmacy.
4.Factors affecting repeated HIV antibody tests among men who have sexwith men in Wuhan City
Xi LUO ; Shilong QIN ; Fangzhao MING ; Qing YU ; Chuangang FAN
Journal of Preventive Medicine 2022;34(8):831-835
Objective:
To investigate the prevalence and influencing factors of repeated HIV antibody tests among men who have sex with men (MSM) in Wuhan City, so as to provide insights into the development of interventions against AIDS among MSM.
Methods:
MSM with self-reported homosexual behaviors in a community studio in Wuhan City were recruited using a convenient sampling method from January to April 2019, and participants' demographic features, sexual behaviors, HIV antibody tests and recognition of HIV antibody tests were collected using questionnaires. Factors affecting repeated HIV antibody tests were identified using a multivariable logistic regression model.
Results:
Totally 300 valid questionnaires were recovered, with a mean age of (31.06±10.24) years. Among all the participants, 196 participants had the first homosexual behaviors over 18 years of age (65.33%), 107 participants were insertive partners (35.67%), and 125 participants received sex-transmitted diseases (STDs) tests in the past six months (41.67%). The mean score for recognizing the risk of HIV infection was 12.41±3.09, for HIV antibody test self-efficiency was 17.07±2.12, and for perceived social supports was 17.42±2.41. A total of 287 respondents received HIV antibody tests (95.67%), including 192 participants receiving repeated HIV antibody tests (64.00%). Multivariable logistic regression analysis showed that age of >18 years for the first homosexual sex behavior (OR=0.404, 95%CI: 0.223-0.734), receiving STDs tests in the past six months (OR=3.896, 95%CI: 2.145-7.076), sex role as receptive partners or both receptive and insertive partners (OR=0.502, 95%CI: 0.275-0.917), satisfying with HIV antibody test services (OR=2.955, 95%CI: 1.311-6.660), and high score for HIV antibody test self-efficiency (OR=1.149, 95%CI: 1.005-1.314) were factors affecting repeated HIV antibody tests among MSM.
Conclusions
The detection of repeated HIV antibody tests was 64.00% among MSM in Wuhan City in 2019, and age for the first homosexual behavior, STDs tests, sex role, evaluation of HIV antibody test services and self-efficiency of HIV antibody tests may be factors affecting repeated HIV antibody tests among MSM.
5.Angiotensin Ⅱ type 1 receptor agonistic antibodies enhance acute ischemic tubular injury in patients subject to kidney transplantation
Bing SHEN ; Jun LIU ; Ting LI ; Lijie TANG ; Jianxin QIU ; Qing YU ; Yu FAN
Chinese Journal of Organ Transplantation 2015;36(2):68-72
Objective To evaluate the impact of autoantibodies to angiotensin Ⅱ type 1 receptor AT1-AA on clinic outcomes of delayed graft function (DGF) grafts.Method We reviewed the records of all 139 consecutive adult recipients who received single kidney transplantation and clinical management between Jan.2010 and Dec.2012 in our centre.The serum levels of AT1-AA were measured by a streptavidin-enzyme-linked immunosorbent assay.All patients with DGF were enrolled in this study and divided into two groups:(1) AT+ DGF group (serum AT1-AA positive,11 cases) ;(2) AT-DGF group (serum AT1-AA negative,23 cases).All clinical and laboratory data were recorded in our transplant database system at each visit.Result 139 recipients were enrolled.The overall presence of DGF was 24.5% (34/139).The incidence of DGF in patients with high binding AT1-AA was significantly higher than that in those with low binding of AT1-AA (11/24 vs.23/115,45.8% vs.20.0%,P<0.05).In addition,longer duration of renal replacement therapy (59 ± 32 vs.47 ± 26 months,P<0.05),higher resistance index (0.80 ± 0.10 vs.0.72 ± 0.10,P<0.05) of allografts and more severe acute tubular injury (2.7 ± 0.5 vs.1.8 ± 1.1,P<0.05)/acute tubular necrosis (0.9 ± 0.5 vs.0.5 ± 0.3,P<0.05) were observed in AT + DGF group than in AT-DGF group.One-year graft survival and death censored graft survival were similar between two groups (90.9% vs.95.7%,P>0.05).Conclusion Presence of high binding anti-AT1 receptor had detrimental impacts on initiation and development of DGF.
6.Neurotoxicity and biomarkers of lead exposure: a review.
Kang-sheng LIU ; Jia-hu HAO ; Yu ZENG ; Fan-chun DAI ; Ping-qing GU
Chinese Medical Sciences Journal 2013;28(3):178-188
Appropriate selection and measurement of lead biomarkers of exposure are critically important for health care management purposes, public health decision making, and primary prevention synthesis. Lead is one of the neurotoxicants that seems to be involved in the etiology of psychologies. Biomarkers are generally classified into three groups: biomarkers of exposure, effect, and susceptibility.The main body compartments that store lead are the blood, soft tissues, and bone; the half-life of lead in these tissues is measured in weeks for blood, months for soft tissues, and years for bone. Within the brain, lead-induced damage in the prefrontal cerebral cortex, hippocampus, and cerebellum can lead to a variety of neurological disorders, such as brain damage, mental retardation, behavioral problems, nerve damage, and possibly Alzheimer's disease, Parkinsons disease, and schizophrenia. This paper presents an overview of biomarkers of lead exposure and discusses the neurotoxic effects of lead with regard to children and adults.
Alzheimer Disease
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chemically induced
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metabolism
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pathology
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physiopathology
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psychology
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Animals
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Behavior
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drug effects
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Biomarkers
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metabolism
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Brain
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metabolism
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pathology
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physiopathology
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Brain Diseases
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chemically induced
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pathology
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physiopathology
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Environmental Exposure
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adverse effects
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Humans
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Lead
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pharmacokinetics
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toxicity
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Lead Poisoning
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etiology
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metabolism
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pathology
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physiopathology
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psychology
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Neurotoxicity Syndromes
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etiology
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metabolism
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pathology
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physiopathology
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psychology
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Parkinson Disease, Secondary
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chemically induced
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metabolism
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pathology
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physiopathology
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psychology
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Schizophrenia
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chemically induced
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metabolism
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pathology
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physiopathology
7.Effects of continuously using eyes at near on eyes with different refractive status
De-Feng, YANG ; Fan, WU ; Yu-Xin, HU ; Rui-Qing, WANG
International Eye Science 2016;16(6):1124-1127
?AIM: To investigate the changes of nearwork induced transient myopia ( NITM ) in different refractive status after continuous near tasking.?METHODS:Prospective study. Thirty subjects ( aged 18-24, average 20. 9 ± 2. 1, 12 males and 18 females) were recruited in this study. They were divided into 3 groups according to the subjective refraction: 10 with hyperopia (H), 10 with emmetrope (E) and 10 with myopia (M). All the subjects with soft contact lens watched videos on a panel computer at near distance (33cm ~ 40cm). Five measurements of distance refraction in the right eye were performed by using an infrared optometer before, after 30min and 60min sustained viewing task, and the mean of 5 refractive values was recorded as spherical equivalent. Then distance refraction of right eyes was done every 5s followed by stopping near tasking until NITM was disappeared completely and the decay time of NITM was recorded for each subject. The value of NITM was the difference of refractive values between before and after near tasking. Paired-t test was used to compare the changes of refractive values in the same group. ANOVA was used to determine the differences of NITM and its decaying time among three groups.?RESULTS: Compared with pre - task, no significant refractive changes were found in hyperopic group ( t =1. 627,P= 0. 138 ); While subjects with emmetropia and myopia showed more myopic shifts at the two time points (tE = 2. 699, PE = 0. 024;tM = 4. 930, PM = 0. 001 ). With continuous viewing until the 30th min and 60th min, significant differences of averaged NITM were found between myopic group and other 2 groups (P<0. 05), but no difference was found between hyperopic group and emmetropic group (P>0. 05). Significant differences of the decay time of NITM can be seen among the three groups after near tasking (F=787. 983,P<0. 001).? CONCLUSION: Subjects with myopia are more susceptible to produce NITM than other 2 groups during sustained nearwork for the same time and the decaying time of NITM is longer in myopia group after near tasking, thus it is suggesting that NITM might be attributed to the development and progression of myopia.
8.Effects of micron traditional Chinese medicine functional lining material on fracture healing of rabbits
Qing ZENG ; Guozhi HUANG ; Donghui LIANG ; Hongzhu DENG ; Yankui YI ; Yu ZHOU ; Weiwei WU ; Tao FAN
Chinese Journal of Tissue Engineering Research 2010;14(8):1336-1340
BACKGROUND: External preparations treatment of fractures in traditional Chinese medidne are mostly ordinary hard-paste, cream, ointment, which lack of modernized traditional Chinese medicine transdermal delivery systems, and the treatment has poor drug absorption and simple process. The treating procedure needs to be used repeatedly, which would affect fracture external fixation and lead to unsatisfactory therapeutic effect. In this Paler, the extemal treatment of traditional Chinese medidna was combined with advanced micro-nano-technology to develop a new medical complex functional materials-micron traditional Chinese medicine functional lining material, which is an organic combination of diaplasis, fixation and local drug remedy, which provides a better treatment for fractures. OBJECTIVE: To explore the effect of micron tradifional Chinese medicine functional lining material on the healing of fracture in rabbits, METHODS: After model preparation, rabbits were randomly divided into 4 groups: rabbits in the micron group were treated with micron traditional Chinese medicine functional lining material plus plaster external fixation; those in the traditional Chinese medidna control group were treated with ordinary Chinese medicine functional material plus plaster extemal fixation; those in the lining material control group were treated with ordinary lining material added plaster extemal fixation; those in the natural healing control group had no special treatments. The effect of fracture healing was evaluated by X-ray at 2, 4 and 6 weeks after modeling. The serum concentration of alkaline phosphatase, calcium and phosphorus was detected respectivaly before modeling and at 2, 4 and 6 weeks after modeling. RESULTS AND CONCLISION: ①X-rap examination:After 6 weeks the external was almost copletly absorbed and medullary cavity was completely recanalizad in the micron group, while fracture line disappeared and the external callus began to be absorbed and medullary cavity was not recanalized in the traditional Chinese medidne control group. Additionally, there were case of non-union stump hardening in natural healing group. ②Serum biochemistry:The activity of alkaline phosphatase reached a peak after 2 weeks in micron group, which was 2 weeks ahead of time compared with that in traditional Chinese medicine control group. And the peak concentration of alkaline phosphatase in micron group was higher than other groups. After 4 weeks serum calcium concentration started to fall significantly and phosphorus concentration started to rise significantly in micron group, as was statistically significant compared with other groups. After 6 weeks serum calcium concentration in micron group had fallen to normal level, while that in other groups was higher than normal. And phosphorus concentration in micron group increased significantly, which was statistically significant compared with natural healing group. The results demonstrated that micron feature traditional Chinese medicine lining matedat can enhance the activity of alkaline phosphatase, decrease the serum concentration of calcium and increase the serum concentration of phosphorus and the product of calcium and phosphorus, therefore, promote the healing of fracture, It shows that micron traditional Chinese medicine functional lining matedal plays a stronger effect on promoting the healing of fracture than that of ordinary Chinese medicine functional lining material.
9.Contrast-enhanced ultrasonography in ureteral lesions: a preliminary study
Xiao WANG ; Beijian HUANG ; Hansheng XIA ; Chaolun LI ; Qing YU ; Peili FAN ; Wenping WANG
Chinese Journal of Ultrasonography 2011;20(3):245-248
Objective To explore the diagnostic value of contrast-enhanced ultrasonography (CEUS) in ureteral lesions.Methods The ultrasonogram of conventional ultrasound and CEUS were retrospectively analyzed in 19 confirmed ureteral lesions cases by operation and pathology.The size,inner echoes,boundary and color blood signal of ureteral lesions were observed by conventional ultrasound.The modality and phases of enhancement,including arrival time,peak time,washout time and appearance of internal structure,were observed by CEUS.Results The 19 ureteral tumors were of maximum widths between 2.1 to 7.7 cm.Conventional ultrasound showed 7 hypoechoic masses,10 isoechoic masses,1 hyperechoic mass and 1 unclear mass.Color Doppler flow imaging showed fairly rich blood signal in 8 tumors,a small amount of blood signal around tumor in 6 tumors and no blood signal in the rest.In early phase,CEUS showed enhancement in all 19 ureteral lesions,including synchronously enhancement in 8 tumors and delayed enhancement in 11 tumors.In peak time,hypoechogenicity compared to the normal renal cortex was shown in 3 tumors,hyperechogenicity in 11 tumors and isoechogenicity in 5 tumors.In late phase,fast wash-out was displayed in 16 tumors,isochronously wash-out in 1 tumor,delayed wash-out in 1 tumor and unclear in 1 tumor.The detection rates of blood supply and clear boundary in ureteral lesions and the diagnostic sensitivity for ureteral cancer were 74% (14/19),16% (3/19),50% (8/16) by conventional ultrasound respectively.The detection rates of blood supply and clear boundary in ureteral lesions and the diagnostic sensitivity for ureteral cancer were 100% (19/19) ,58% (11/19) ,94% (15/16) by CEUS respectively.The change of these performances was statistically significant between conventional ultrasound and CEUS.Conclusions CEUS can improve blood supply,boundary and the diagnostic sensitivity of ureteral lesions.
10.Contrast-enhanced ultrasound imaging of plaque stability in carotid arteries with different stenosis degree
Chaolun LI ; Wenping WANG ; Wanyuan HE ; Peili FAN ; Qing YU ; Qingyue XU
Chinese Journal of Ultrasonography 2011;20(3):216-218
Objective To evaluate contrast-enhanced ultrasound imaging of carotid atherosclerosis with different stenostic degree as a clinical tool to study intraplaque neovascularization.Methods Fifty-eight patients suspected of carotid stenosis with 73 plaques were studied by standard and contrast-enhanced ultrasound.Plaque echogenicity at standard ultrasound were evaluated.Contrast enhancement within the plaques was categorized as 0 - 4 degree and compared to the stenosis degree and the plaque echogenicity.The degree of stenosis was determined by intravenous digital subtraction angiography.Results In the group with stenosis less than 90% ,stenosis degree was not associated with the grade of contrast enhancement (P =0.358),while the grade of enhancement was significantly higher in the group with sever stenosis(>90%).The grades of enhancement were significantly different between plaques with different echogenicity (P =0.000).Conclusions Contrast-enhanced real-time ultrasound imaging can demonstrate the enhancement of carotid plaques non-invasively,which is helpful for assessing intraplaque neovascularization and provide valuable information for plaque risk stratification