1.A retrospective analysis of 1028 adverse events of medical device reports.
Chinese Journal of Medical Instrumentation 2013;37(6):447-450
OBJECTIVETo provide suggestion for MDAEs monitoring with analyzing the features of the 1028 reports of MDAEs.
METHODSWith retrospective case study, this paper analyzed 1 028 MDAE reports in Guiyang during 2012.
RESULTSThe intrauterine device (IUD) caused the higher proportion of adverse events with serious degree. Monitoring consciousness of grassroots users needs to be improved. The quality of the reports should be enhanced.
CONCLUSIONSMore attention should be paid to monitoring on IUD. The level of MDAEs monitoring should be improved through carrying out targeted training and publicity, establishing and improving MDAEs monitoring network.
Equipment Safety ; Intrauterine Devices ; adverse effects ; Product Surveillance, Postmarketing ; Retrospective Studies
2.Agmatine inhibits proliferation of rat PASMCs induced by hypoxia
Chinese Journal of Pathophysiology 1986;0(03):-
AIM: To determine the effect of agmatine on the proliferation of pulmonary artery smooth muscle cells (PASMCs) induced by hypoxia. METHODS: Primary culture of rat PASMCs was prepared from adult male Wistar rat pulmonary artery by the method of tissue block anchorage. PASMCs were divided into two groups: control group and agmatine-treated group. The activity of LDH in the medium was measured by chromatometry. [3H]-TdR incorporation was measured by liquid scintillation counting. The cell cycle was measured by flow cytometry, and the PCNA content was measured by image analysis. RESULTS: Agmatine did not exert significant effect on the activity of LDH in the medium, but significantly decreased the [3H]-TdR incorporation and PCNA content of PASMCs. Agmatine significantly decreased the cell ratio of G_2/M phase and increased the cell ratio of G_0/G_1 phase. With the increment of the concentration of agmatine, [3H]-TdR incorporation was significantly decreased. CONCLUSION: Agmatine has no significant cytotoxic effect on PASMCs and agmatine dose-dependently inhibits the proliferation of rat PASMCs induced by hypoxia.
3.Differences in Various Detection Methods for Residual Solvents in Cosmetics and Drugs
China Pharmacist 2017;20(9):1643-1648
Objective:To summarize the differences and similarities in the detection methods for residual solvents between Safety and Technical Standards for Cosmetics 2015 edition and Chinese Pharmacopoeia 2015 edition so as to provide reference for the improve-ment of the detection methods for residual solvents in Safety and Technical Standards for Cosmetics. Methods:The type and limitations of residual solvents and the characteristics of the test methods for residual solvents between Safety and Technical Standards for Cosmetics 2015 edition and Chinese Pharmacopoeia 2015 edition were compared and analyzed. Results: The detection methods for residual sol-vents in Chinese Pharmacopoeia were more detailed. The detection methods for residual solvents in Safety and Technical Standards for Cosmetics were general detection method, and the process could be applied in the detection of more solvents. Some detection methods were short of limitations. Conclusion:The control of residual solvents in cosmetics should be improved if the limitations table of the limiting used solvents is introduced into Safety and Technical Standards for Cosmetics referring to Chinese Pharmacopoeia and increase the types of residual solvents detected by the general methods.
4.Field Trial of Malaria Vaccine
Chinese Journal of Parasitology and Parasitic Diseases 1997;0(06):-
Vaccine is expected to be a promising tool for malaria prevention and control.However, safe and effe-ctive malaria vaccine is not yet available for field use so far.They can be pre-erythrocytic stage vaccine, blood stage vac-cine and transmission-blocking vaccine.This review summarizes the progress of the vaccine development in the recent field trials.
5.Application of 3D Printing Technology in Custom-made Foot Orthosis (review)
Chinese Journal of Rehabilitation Theory and Practice 2015;21(7):753-756
3D printing technology has become the focus of the study on rapid proyotyping technology in recent years. This paper introduced the principle, material and equipments of 3D printing, as well as the foot orthosis. This paper also summarized the application of 3D printing in custom-made foot orthosis, and the differences between 3D printing and traditional technology from the aspect of structure design, material, and clinical application, etc., and discussed the problems and future development of 3D printing.
6.Pharmacological Study on Qingfei Capsules
Ziqing CAO ; Junqi CAO ; Junxing CAO ; Xu CAO ; Ren WANG ; Xiang GAO
Chinese Traditional Patent Medicine 1992;0(05):-
Objective:To prove the pharmacological action of Qingfei Capsules.Methods: Some tests such as suppressing cough, dispelling phlegm, calming panting, anti-inflammation, anti-virus, its effects on the nonspecific immunity and cellular immunity of mice were carried out. Results: Qingfei Capsules could prolong the incubation period of cough, wheezing and panting, possess the actions of dispelling phlegm and inhibiting inflammation, raise the nonspecific immunity of body, promote humoral immunity, and raise the cellular immune function.Conclusions: These results provide a basis for clinical application of Qingfei Capsules.
7.Fugene 6——a new approach to induce the gene transfection in high efficiency for eukaryotic cells in vitro
Yide HU ; Nan GAO ; Xiaoyun CAO ; Jue ZHOU ; Shilong CAO
Immunological Journal 2001;(2):138-140
Objective To develop a new method to induce the gene transfection in high efficiency for eukaryotic cells in vitro. Methods Four kinds of p14ARF gene primarily deleted human carcinoma cell line including H460,A549,U251,and PC-3 were transfected with the human p14ARF expression vector (pCI-neo-p14ARF) by using the new nonliposomal transfection reagent Fugene 6. The efficiency of gene transfer was determined by screening the cells in G418. Results After 21 days' selection, G418-resistant clones were shown in all the transfected plate. PCR product of p14ARF gene was positive in all the G418-resistant clones. Cytotoxicity of Fugene 6 was detected. The cell proliferation activity was not affected when it was cultured in a high dose of Fugene 6. Conclusion These results demonstrate that Fugene 6 is a rapid, feasible, reproducible, and noncytotoxic gene transfection approach for eukaryotic expression vector in vitro.
8.An Investigation on Relative Factors Influencing the Level of Psychosomatic Health and Driving Safety in Army Driver
Liyi ZHANG ; Liansheng CAO ; Bailiang GAO ; Gencheng CAO
Academic Journal of Second Military Medical University 1985;0(05):-
The relative factors influencing the level of psychosomatic health and driving safety were investigated in 203 army drivers. The results indicated that psychosomatic disorders, especially more prominent in subscales of the eye and ear, respiratory system, skeleton and muscle, and depression might occur. The main factors influencing pschosomatic health were negative live change unit (- Leu), pschoticism, neuroticism, lie, and tendency to intervert of the character, driving kilometres, the number of years set for driving service, and psychiatric family history. The happening of the accident and error was related to some psychosomatic problems, neuroticism, more high degree of lie, greater age, driving kilometres, and the number of years set for driving service.
9.Effectiveness and influencing factors of transvaginal cervical cerclage for cervical insufficiency
Yang CAO ; Juntao LIU ; Jinsong GAO
Chinese Journal of Perinatal Medicine 2014;(6):374-378
To evaluate the effectiveness and safety of transvaginal cervical cerclage and to investigate the influencing factors in prognosis. Methods The medical records of 85 cases who underwent transvaginal cervical cerclage in Peking Union Medical College Hospital from January, 1985 to September, 2011 were reviewed. Patients with a typical history of recurrent preterm birth/second trimester miscarriage, or for whom the 8.0 mm Hegar uterine dilator could be pushed through the internal cervical os without resistance during the non-pregnancy period were included in the elective cerclage group (n=69) and those diagnosed as cervical insufficiency during pregnancy were included in the emergency cerclage group (n=16). The numbers of premature birth/second trimester miscarriage, gestational age at cerclage, gestational age at delivery and its influencing factors were compared between the two groups. T test, rank sum test and Fisher's exact test were used for statistical analysis. Results All patients underwent cerclage between 13+3 and 26+6 weeks of gestation without major complications, such as rupture of membrane, placental abruption or bladder injury. Patients in the elective cerclage group underwent the procedure significantly earlier than those in the emergency cerclage group [16.6(15.4, 18.3)vs 22.7(19.5, 24.6)weeks, Z=-5.140, P<0.05]. Nine cases had lost to follow-up. Among the remaining 76 cases, the rate of infection after surgery was 18.4%(14/76);the rate of abortion was 17.1%(13/76); and the rate of live birth was 82.9%(63/76). The live birth rate of the emergency group was lower than that of the elective cerclage group [9/15 vs 88.5%(54/61), Fisher's exact test, P<0.05]. Apparent infection after surgery was observed more frequently in the emergency group than that in the elective cerclage group [6/15 vs 13.1% (8/61), Fisher's exact test, P<0.05]. Uterine malformation, infection after surgery and latent infection befor surgery were unfavorable factors associated with miscarriage and early preterm labor. Conclusions Transvaginal cervical cerclage is a safe and effective treatment for cervical insufficiency. Elective cervical cerclage is superior to emergent cerclage. Emphasis should be placed on the monitoring and treatment of perioperative infection. Cervical cerclage should be undertaken with caution in patients with uterine malformation.
10.Study on rule of TCM syndrome differentiation on vascular dementia
Peihai HAN ; Sishan GAO ; Benge CAO
International Journal of Traditional Chinese Medicine 2012;34(8):680-682
Objective To investigation the rule of TCM syndrome differentiation on vascular dementia,and to guide clinic therapy.Methods The vascular dementia TCM syndrome differentiation scale (SDSVD) was used for TCM syndrome differentiation of 60 cases of vascular dementia.Results The Vascular dementia has such TCM syndromes:deficiency of kidney-essence accounting for 28.3%,turbid phlegm blocking the clear orifices accounting for 23.3%,obstruction of collaterals by blood stasis accounting for 21.7%,liver Yang adverse rising accounting for 10.0%,fire-heat prosperous accounting for 8.3%,metabolic waste in viscera accounting for 8.3%.QI and blood paucity accounting for 3.3%.Conclusion The Vascular dementia has a clear TCM syndrome regularity,the syndromes of deficiency of kidney-essence accounting,turbid phlegm blocking the clear orifices,and obstruction of collaterals by blood stasis are the top three syndromes.