1.Clinical Observation of Habitual Abortion Patients Treated by Yishen Tianjing Zhuyun Prescription Together with Active Lymphocyte Immunotherapy
Rong CHEN ; Huayou ZHOU ; Qingya YAN
Journal of Guangzhou University of Traditional Chinese Medicine 2016;33(5):642-644
Objective To investigate the therapeutic effect of Yishen Tianjing Zhuyun Prescription(a Chinese herbal recipe consisting of Xianqi Yizhen Capsules and Xianzi Yizhen Capsules, having the actions of strengthening kidney-essence and promoting gestation) together with active lymphocyte immunotherapy for habitual abortion (HA)patients. Methods A total of 139 HA outpatients with negative blocking antibodies(BA)were randomly divided into treatment group(70 cases) and control group(69 cases). The control group was treated only with active lymphocyte immunotherapy, while the treatment group was treated with Yishen Tianjing Zhuyun Prescription and active lymphocyte immunotherapy . Results (1) After treatment, the BA-positive rate was 82.86% in the treatment group and was 60.87% in control group, and there existed significant difference between the two groups (P < 0.05 ). (2) The total anti-abortion effective rate was 87.14% in the treatment group and was 66.67% in control group, the difference being significant between the two groups(P<0.05 ). Conclusion Yishen Tianjing Zhuyun Prescription combined with active lymphocyte immunotherapy is more effective than active lymphocyte immunotherapy alone for the treatment of HA patients with negative BA.
2.Experimental study of osthole on inhibition of thrombosis and platelet aggregation
Rong CHEN ; Meilin XIE ; Jia ZHOU
Chinese Pharmacological Bulletin 1986;0(04):-
Aim To investigate the effect of osthole against thrombosis and platelet aggregation.Methods Rat model of artery-vein bypass thrombosis and mouse model of thrombosis by injecting collagen-adrenaline to the vein of the tail were used to measure the thrombus weight and to observe the number of dead mice in 5 min and the recovery mice from hemiplegia in 15 min. ADP,thrombin and arachidonic acid were used to induce platelet aggregation on human and the rate of platelet aggregation in 1,3 and 5 min and the maximum rate of platelet aggregation were detected.Results Osthole inhibited artery-vein bypass thrombosis and reduced thrombus weight in rats to defferent degrees,inhibited the thrombosis induced by collagen-adrenaline and reduced the death rate in 5 min and increased the recovery rate in 15 min. Osthole also inhibited human platelet aggregation induced by ADP,thrombin and arachidonic acid in vitro.The values of IC_(50 )(dose of the drug giving 50% inhibition) were 0.444 g?L~(-1) for ADP,0.186 g?L~(-1) for thrombin, 0.421 g?L~(-1) for arachidonic acid, respectively.Conclusion Osthole exert remarkable effects against thrombosis and platelet aggregation.
3.Effects of Panax notoginseng saponins(三七总皂苷) on extra-vascular lung water and respiratory dynamics in dog with oleic acid induced acute lung injury
Yuqing CHEN ; Ling RONG ; Xin ZHOU
Chinese Journal of Integrated Traditional and Western Medicine in Intensive and Critical Care 2006;0(06):-
Objective To investigate the effects of Panax notoginseng saponins(PNS,三七总皂苷) on extra-vascular lung water(EVLW) and respiratory dynamics in dog with oleic acid induced acute lung injury(ALI).Methods Eighteen Beagle dogs,intubated and mechanically ventilated with intermittent positive pressure ventilation(IPPV) mode(tidal volume(VT) 10 ml/kg, positive end-expiratory pressure(PEEP) 0,inspiratory oxygen concentration(FiO2) 1.00),were randomly assigned into three groups(each n=6): normal control group,ALI model group(induced by intravenous injection of oleic acid) and PNS group(received PNS after the ALI model was constructed).PNS 10 mg/kg being dissolved in 100 ml 5% glucose solution(GS) was pumped into central vein (2.5 ml/min) after ALI model was formed in the PNS group.Similar amount of glucose solution was given to the normal control and model groups.Respiratory dynamics and arterial blood gas(ABG) were monitored every hour.Four hours after the establishment of ALI,the dogs were sacrificed and extra-vascular lung water index(EVLWI) was quantified by a gravimetric measurement.Results In ALI dogs,PNS significantly decreased the index of EVLWI((14.10?1.45) ml/kg vs.(17.97?0.85) ml/kg,P0.05).Conclusion PNS has certain protective effect on dog with oleic acid induced ALI,it may lower EVLW and elevate the Cst total,that is beneficial to the improvement of hypoxemia.
4.Study on the Blood Concentration of Fluorouracil Administered into Guinea Pigs by Arterial&Intravenous Infusion and Celiac Infusion
Rong CHEN ; Xueqin ZHOU ; Changjie GUO
China Pharmacy 2005;0(17):-
OBJECTIVE:To compare and analyze blood concentration changes of fluorouracil administered to guinea pigs by different paths.METHODS:The peripheral vein and portal vein blood samples of guinea pigs were taken at different time after administered with fluorouracil in3different ways:group A(by arterial infusion),group B(by intravenous infusion)and group C(by celiac infusion).The blood concentration changes were determined and analyzed by HPLC.RESULTS:The portal vein and peripheral vein blood concentrations in group A and B reached peak value5min after administration with flu?orouracil while group C reached peak at10min;the portal vein blood concentrations in group A reached the highest in the first20min while group C showed the highest value in the last30min.CONCLUSION:Arterial infusion combining celiac infusion path was recommended for local chemotherapy;arterial infusion combining intravenous infusion or intravenous infusion com?bining celiac infusion was recommended for the local therapy while giving consideration to systemic chemotherapy.
5.Experimental study on changes of NO,ET,TNF content in blood in rats with focal cerebral ischemia-reperfusion injury treated by Aspirin
Qingbo ZHOU ; Nianfang SHAO ; Rong CHEN
Journal of Clinical Neurology 1997;0(06):-
0.05). Compared with the sham operative group, NO content in model group was obviously lower( P
6.Evaluation of cefoxitin disk diffusion test for the detection of methicillin resistant Staphylococcus aureus
Hongwei ZHOU ; Rong ZHANG ; Gongxiang CHEN
Chinese Journal of Clinical Laboratory Science 2006;0(01):-
Objective To establish and evaluate the method for detection of methicillin-resistant Staphylococcus aureus (MRSA) by the cefoxitin disk diffusion test.Methods The disks with 30 microgramme of cefoxitin and oxacillin recommended by NCCLS were used for the detection of MRSA with PCR by using mecA as the reference.The MIC of cefoxitin to Staphylococcus aureus was also determined.Results Of the 145 test isolates of Staphylococcus aureus,83 isolates showed the mecA-positive by PCR,62 isolates were negative.In cefoxitin disk diffusion tests,82 isolates showed MRSA-positive and 63 isolates were negative.The sensitivity was 98.8% and the specificity was 100%.In oxacillin diffusion tests,the sensitivity was 95.2% and the specificity was 96.8%.Conclusions For the detection of MRSA,the cefoxitin disk diffusion test was consistent with the results by PCR for mecA.The cefoxitin disk diffusion test is easy to be performed and can be used in routine diagnostic works.
7.Study on correlation between homocysteine and diabetes mellitus
Shaorong LIN ; Chunyi ZHEN ; Longfeng CHEN ; Manna CHEN ; Rong ZHOU
International Journal of Laboratory Medicine 2015;(13):1866-1867
Objective To explore the correlation between homocysteine(Hcy),lipids amd type 2 diabetes mellitus (T2DM). Methods The laboratory test results of 533 cases of patients with T2DM(T2DM group)and 362 cases of healthy individuals (healthy control group)were retrospectively analyzed.Results The serum levels of Hcy and rates of abnormal serum cholesterol (TC),triacylglycerol(TG),low density lipoprotein cholesterol(LDL-C),high density lipoprotein cholesterol(HDL-C)levels in the T2DM group were higher than those in the healthy control group,had statistically significant differences(P <0.05).Conclusion The high serum level of Hcy and abnormal lipid metabolism are correlated with T2DM,which might be risk factors of diabetes mel-litus and cardiovascular disease.
8.Establishment and genetic checkup of an inbred strain of DXB/c mouse
Hong WEI ; Jianhua ZHOU ; Rong NIU ; Bingbo CHEN ; Shurong CHEN
Journal of Third Military Medical University 1988;0(05):-
An inbred strain of DXB/c mouse has been established by hybridization between DBA/2 female mice and C57BL/6 male ones and subsequently by sibmating their offsprings beginning from the F2 generation.Now DXB/c mouse has been passed for 28 generations of full sibmating since 1979.Genetic checkup by means of skin grafting,mandibular morphology analysis,mixed lymphocyte cultivation,coat colour gene testing,and biochemical marker gene examination confirmed that the full homozygosity of alleles has been achieved in DXB/c mouse and DXB/c mouse comforms to the criteria of an inbred strain of mouse.In addition,the genetic background of DXB/c mouse is composed of the genes of its progenitors DBA/2 and C57BL/6 as shown by coat colour gene testing and biochemical marker gene examination.
9.Influence of sampling satisfaction using endometrial sampling device and related factors for pathology diagnostic accordance rate
Tong ZHANG ; Rong ZHOU ; Chen LIU ; Danhua SHEN
Chinese Journal of Obstetrics and Gynecology 2014;49(9):655-658
Objective To observe the satisfaction of obtaining endometrial tissue in using endometrial sampling device and explore the influence for pathology diagnostic accordance rate,and to discuss the problem needs to focus in obtaining endometrial tissue with endometrial sampling device for endometrial cancer and precancerous lesion screening.Methods Totally 204 cases using endometrial sampling device with the subsequent diagnostic curettage,hysteroscopy,or hysterectomy were collected.A comparison of pathological diagnosis between two methods was made.The relationship among specimen quantity,proficiency,pathological types and diagnostic accordance rate were analyzed.Results The diagnostic accordance rate of endometrial cancer and precancerous lesion of two methods was 67% (20/30).92.2% (188/204) cases successfully got the endometrial glands,77.0% (157/204) cases got ≥5 specimens of glands and 62.3% (127/204) cases got ≥10 specimens of glands.When obtaining ≥5 but< 10 endometrial glands,the diagnostic accordance rate was 76.7% (23/30); however,obtaining ≥10 endometrial glands,the diagnostic accordance rate was 92.9% (118/127).The degree of specimen satisfaction of the first phase was lower than the second phase.Conclusions Obtaining ≥5 endometrial glands in using endometrial sampling device could satisfy the requirement of the basic pathological diagnosis.The proficiency of sampling and the pathological types could influence the degree of specimen satisfaction,and then influence the diagnostic accordance rate.
10.A survey on double-preceptor system in standardized residency training of general practitioners
Rong ZHOU ; Zhigang PAN ; Qian CHEN ; Xiangjie ZHANG ; Yuan ZHANG
Chinese Journal of General Practitioners 2014;13(8):644-648
Objective To survey the double-preceptor system in standardized residency training of general practitioners (GPs).Methods A questionnaire survey was conducted among 48 residents,53 clinical and community preceptors during May and June 2013.Results The preceptors mostly agree with the necessity to carry out double-preceptor system.82.8% (24/29) clinical preceptors,95.8% (23/24) community preceptors and 89.6% (43/48) residents considered that it was very effective.Less than half of the clinical(13/29) and community (11/24) preceptors knew very clearly about their responsibilities and obligations ; 93.1% (27/29) clinical preceptors and 95.8 % (23/24) community preceptors hoped to receive corresponding training courses.72.4% (21/29) clinical preceptors and 75.0% (18/24) community preceptors communicated with residents frequently,75.9% (22/29) clinical preceptors thought residents were not actively involved was the main obstacle in the implementation of double-preceptor system.The guide contents were focused on clinical skills,scientific research and how to pass assessments.The main approaches were interviews,checking the quality of medical instruments and small lecture.Only 6.9% (2/29) clinical preceptors conducted outpatient teaching,83.3% (40/48)residents thought tutors did not knew clearly about their responsibilities and obligations was the main obstacle in the practice of doublepreceptor system.Regarding how to evaluate the double-preceptor system,clinical and community preceptors tended to use examination results and feedback of residents.Clinical preceptors,community preceptors and residents all gave low comments about the preceptor-resident contact handbook.87.5% (21/24) community preceptors thought lack of corresponding incentive mechanisms was the main obstacle in the practice of double-preceptor system.Conclusions Double-preceptor system has been widely recognized by both preceptors and students.In order to improve the system,we should conduct tutor training courses regularly and establish an effective mechanism to assess and evaluate tutors.