1.Dyslipidemia and its treatment in patients with cerebrovascular disease
International Journal of Cerebrovascular Diseases 2012;20(4):284-288
Dyslipidemia refers to the elevated cholesterol,triacylglyceride levels and/or the reduced high density lipoprotein level.It is the important risk factor for the occurrence of atherosclerosis,and it is alsoassociated with the onset and outcome of acute cerebrovascular disease.Therefore,the highly efficient and comprehensive lipid lowering therapy has become one of the most important and effective prevention measures for cerebrovascular disease.This article reviews the recent advances in research on dyslipidemia and lipid lowering therapy in patients with cerebrovascular disease.
2.Capability evaluation of transfusion compatibility tests for blood transfusion departments in Dalian,2012
Min WANG ; Xiaolin BI ; Xuelian DENG
International Journal of Laboratory Medicine 2016;(2):186-188
Objective To standardize the detection procedure and improve the detection ability through the capability evaluation of transfusion compatibility tests for blood transfusion departments in Dalian .Methods Both on‐site inspection and external quality assessment(EQA) were used .The items of on‐site inspection consisted of equipments ,reagents ,tests ,operating instructions and re‐cords .EQA included ABO grouping ,Rh(D) grouping ,antibody screening and crossmatching .Results 42 of 62 blood transfusion departments were qualified .Only one was unqualified in on‐site inspection because antibody screening were not carried out .The un‐qualified ratio of second‐class hospitals′ EQA was the highest (42 .3% ) .The coincidence rates of antibody screening and crossmatching were 82 .0% and 77 .4% respectively ,while those of ABO grouping and Rh(D) grouping was 100 .0% .Conclusion Relatively fixed staffing in laboratories and continual training was important for the improvement of transfusion compatibility tests .
3.Clinical Observation on the Application of Shikani Laryngo-scope in Difficult Airway
Jiangang LI ; Mei DENG ; Bi CHEN
Journal of Kunming Medical University 2013;(12):110-113
Objective To observe clinical application of the apparent Shikani laryngoscope in difficult airway, so as to provide reference for basic-level hospitals to deal with difficult airway. Methods 50 patients with difficult airway were randomly divided into 2 groups:Shikani laryngoscope group (S) that direct laryngoscope group (M) . After conventional induction, patients in two groups were given endotracheal intubation with different intubation tools by the same anesthesiologist, then the intubation time and the one-time success rate of intubation were compared between two groups. The hemodynamics of patients, were observed in two groups,the HR,SBP,DBP and SPO2 at before (T0),during (T1),2 min after (T2) and 5 min after intubation (T3) were recorded. The complications including gingival and oral mucosa bleeding, sore throat, hoarseness were also recorded in two groups.Results During the process of intubation, the hemodynamic changes of patients had statistically significant difference between T0 and T1, T2,T3 subgroups ( <0.05),T2 and T3 subgroups ( <0.05) . The intubation had less influence on hemodynamics of patients in group S than M group,but the SPO2 and T0 had no significant difference between two groups ( >0.05) .Comared with M group,the one-time success rate of intubation was higher,and the intubation time was shorter in S group and there were significant differences ( <0.05) . There was no significant difference in the intubation complications between the two groups ( > 0.05), and this may be associated with small sample cases. Conclusion Compared with ordinary laryngoscope, Shikani laryngoscope has incomparable advantages in handling difficult airway and is convenient to apply,so it is worth popularizing in basic-level hospitals.
4.Influence of prostaglandin E_1 induced hypotension on pulmonary circulation and gas exchange in dogs undergoing procaine balanced anesthesia
Fachuan NIE ; Anzhi DENG ; Min BI
Chinese Journal of Anesthesiology 1996;0(09):-
Pulmonary circulation and gas exchange were observed during and after prostaglandin E_1-indueed hypotention in 9 adult mongrel dogs undergoing procaine balanced anesthesia. Cardiac index decreased from 12.5% to 13% (P0.05) during hypotension but the effective ratios of oxygen increased(P
5.Assessment of myocardial perfusion by the microbubble replenishment parameters of real-time myocardial contrast echocardiography
Peng LI ; Bowen ZHAO ; Youbin DENG ; Haoyi YANG ; Xiaojun BI
Chinese Journal of Ultrasonography 2011;20(12):1021-1024
ObjectiveTo assess myocardial perfusion by the end-systolic and end-diastolic replenishment parameters of real-time myocardial contrast echocardiography (MCE).MethodsTwenty-one patients with myocardial infarction(MI) and normal control group of 6 cases underwent intravenous realtime myocardial contrast echocardiography via slow and homogeneous venous injections of SonoVue.MCE images were obtained from the apical 4-chamber,2-chamber,and long-axis views.According to the exponential function:y(t) =A [1 - e-kt] + B,the time intensity curves were obtained.By an off-line ECG triggering and curve fitting,the replenishment parameters A value,k value,A × k value were obtained separately from end-systolic and end-diastolic images.ResultsIn normal control group,the end-systolic replenishment parameters A value,k value,A × k value were all lower than that of the end-diastolic replenishment parameters[(6.21 ± 2.69)dB vs (7.93 ± 3.66)dB,P <0.05;0.36 ± 0.15 vs 0.42 ± 0.19,P < 0.01 ;2.88 ± 1.29 vs 3.39 ± 1.61,P <0.05,respectively].The end-diastolic replenishment parameters were found significantly greater variability than the end-systolic values (variation coefficient CV:A value 46.2% vs 43.3%,k value 45.2% vs 41.4%,A× k value 47.5% vs 44.8%,all P <0.05).In 21 patients,the end-systolic replenishment parameters in myocardial segments supplied by infarct-related coronary artery were significantly lower than that in myocardial segments supplied by non - infarct - related coronary artery.ConclusionsThe end-systolic and end-diastolic replenishment parameters of real time myocardial contrast echocardiography can assess myocardial perfusion.The variability of the end-systolic replenishment parameters is smaller than that of the end diastolic parameters.Significant variability in k-value suggests that this parameter is best suited for before-after study in the same patient.
6.5-fluorouridine prodrug liposome inhibits proliferation and improves apoptosis of laryngeal cancer cell line HEP-2
Bi DENG ; Lin YE ; Chi WANG ; Hongyan CHEN
Journal of Third Military Medical University 2003;0(17):-
Objective To compare the effect of 5-fluorouridine(5-FUR) prodrug liposome on the cell proliferation and apoptosis in HEP-2 cells.Methods MTT assay was used to investigate the cell proliferation after 5-FU or 5-FUR prodrug liposome at the dose of 3.0,0.6,0.12 or 0.024 ?g/ml was added into the culture medium of HEP-2 cells for 72 h.Flow cytometry(FCM) was used to measure the cell cycle when the cells were treated with 0.17 ?g/ml 5-FU or 0.05 ?g/ml 5-FUR prodrug liposome for 72 h.The apoptosis of cells treated with 0.05 ?g/ml 5-FU or 5-FUR for 48 h were assayed with FCM.Results The IC50 of 5-FU on HEP-2 cells was 300% higher when compared with 5-FUR prodrug liposome.Treated with 5-FU and 5-FUR prodrug liposome respectively,HEP-2 cell lines were both arrested at S stage.the apoptosis rate of HEP-2 were(10.35?1.33)% and(21.57?0.11)% respectively.Conclusion Compared with 5-FU,5-FUR prodrug liposome inhibits the cell proliferation of HEP-2 cells more significantly,arrests more cells at S phase,and improves cell apoptosis.
7.Assessment of disease severity by serum IMA levels in patients with COPD
Yulei HOU ; Xiaoyun BI ; Te CHEN ; Xiaoling DENG ; Liping ZHANG
Chongqing Medicine 2017;46(19):2642-2643,2648
Objective To explore the value of serum ischemia modified albumin (IMA) level in assessment of disease severity for patients with chronic obstructive pulmonary disease (COPD).Methods A total of 81 cases of patients with COPD treated in our hospital from September 2015 to March 2016 were selected (COPD group),including 51 cases of patients with acute exacerbation of COPD and 30 cases of patients with stable of COPD.Meanwhile,30 volunteers without COPD were collected as control group.Serum levels of IMA were detected and compared among different groups.Correlations between serum level of IMA and serum level of myoglobin (MYO),troponin T (TNT) and C reactive protein (CRP),and white blood cell (WBC) count were analyzed respectively.A receiver operating characteristic (ROC) curve was also plotted to investigate the diagnostic value of serum IMA level for diagnosing COPD.Results Serum level of IMA in the COPD group was higher than that in the control group [84.1 (79.1,88.5) U/L vs.73.1 (70.2,75.1)U/L],serum level of IMA in patients with acute exacerbation of COPD was higher than that of patients with stable of COPD [85.5 (82.3,89.4)U/L vs.78.1 (75.9,83.0)U/L],serum levels of IMA in patients with acute exacerbation and stable of COPD both were higher than that in the control group,there were statistically significant differences (P<0.05).The serum level of IMA was positively related with serum level of MYO in patients with COPD (r=0.554,P =0.00).ROC curve indicated when the cutoff value was set as 76.55 U/L,the sensitivity and specificity of serum level of IMA for diagnosing COPD was 88.5% and 80.0% respectively,and area under the ROC curve was 0.88.Conclusion Serum level of IMA could be a valuable indicator for clinically assessing disease severity of patients with COPD,which deserves further study through expanding samples size.
8.Ultrasonic study on effects of simvastatin on left ventricular mass in patients with essential hypertension
Pingyang ZHANG ; Youbin DENG ; Haoyi YANG ; Min PAN ; Xiaojun BI
Chinese Journal of Clinical Pharmacology and Therapeutics 2005;10(9):1001-1004
AIM: To evaluate the effect of simvastatin on the left ventricular mass in patients with essential hypertension (EH). METHODS: 50 patients with hypertension without severe complication were randomly divided into two treatment groups: combination treatment group and hydragogue group, and 25 normal subjects without any treatment were taken as the control. The 25 patients in combination treatment group were given simvastatin and hydragogue for 12 weeks while the other patients in hydragogue group were given hydragogue during the same time. The left ventricular mass was examined from ultrasonography in all patients before and after treatment. RESULTS: The left ventricular mass index (LVMI) was higher in the two treatment groups of patients (133.61±31.02, 118.04±39.62 g·m-2) than that in the control group (88.79±22.73 g·m-2) before treatment (P<0.01, 0.0001, respectively) while the blood pressure was higher. There was no significantly difference in age, serum concentrations of total cholesterol or triglyceride, sugar and blood pressure between the two treatment groups and the control group (P>0.05). There was no significant difference in all variables between the two treatment groups before treatment. After treatment, the LVMI was decreased (133.61±31.02 vs 91.07±16.01 g·m-2, P<0.01) in the combination treatment group while there was no significant change in LVMI in the hydragogue group compared with the control group. The blood pressure in the two treatment groups was decreased to the normal. Compared with hydragogue group, the change of LVMI was higher in the combination group though the serum concentrations of total cholesterol, triglyceride or sugar were not significantly different. No significant change in serum concentrations of total cholesterol, triglyceride or sugar was found during treatment in the two groups. The change of LVMI did not correlate with the change of blood pressure, serum concentrations of total cholesterol , triglyceride or sugar in the combination treatment group(P>0.05). CONCLUSION: Being independent of the changes of serum concentrations of total cholesterol, triglyceride or sugar and blood pressure, simvastatin can inhibit the increase of left ventricular mass in patients with essential hypertension.
9.Effects of Cryptotanshinone on Cytochrome P450 Isoforms in Rat Liver Microsomes
Ying PAN ; Ying DENG ; Huichang BI ; Min HUANG
Traditional Chinese Drug Research & Clinical Pharmacology 2009;20(4):331-334
Objective To observe the effects of cryptotanshinone (CTS) on cytochrome P450 (CYP) isoforms in the rat liver microsomes. Method The rats were randomized into six groups according to the body weight, 3 rats in each group. CTS groups were treated with CTS at the doses of 20~540 mg/kg per day for 10 days, and the negative control group was treated with 10 mL/kg hydroxylpropyl-β-cyclodextrin solution. The positive group was injected with β-NF(80 mg/kg) intraperitoneally on the 7th day, and all the animals were sacrificed by decapitation on the 10th day after last dose. The liver was got out for the preparation of liver microsomes. The activities of six kinds of CYP isoforms were detected by cocktail in-vitro incubation method. Besides, the expression level of CYP isoforms mRNA and protein in rat liver was analyzed by reverse transcription polymerase chain reaction (RT-PCR) and western-blotting assay, respectively. Results CTS significantly increased the ac-tivity of CYP1A2 in a dose-dependent manner. In CTS groups at the dosages of 20~540 mg/kg, the activity of CYP1A2 was 60 %~430 % higher, CYP1A2 protein expression level was 130 %~320 % higher, and CYP1A2 mRNA expression level was 10 %~150 % higher than that of the negative control group. CTS had no effect on other kinds of CYP isoforms. Conclu-sion CTS can induce hepatic microsome CYP1A2 expression significantly, which indicates potential drug-drug interaction might occurred when CTS is co-administrated with those drugs metabolized by CYP1A2.
10.The therapeutic drug monitoring network server of tacrolimus for Chinese renal transplant patients.
Chenhui DENG ; Guanmin ZHANG ; Shanshan BI ; Tianyan ZHOU ; Wei LU
Acta Pharmaceutica Sinica 2011;46(7):828-33
This study is to develop a therapeutic drug monitoring (TDM) network server of tacrolimus for Chinese renal transplant patients, which can facilitate doctor to manage patients' information and provide three levels of predictions. Database management system MySQL was employed to build and manage the database of patients and doctors' information, and hypertext mark-up language (HTML) and Java server pages (JSP) technology were employed to construct network server for database management. Based on the population pharmacokinetic model of tacrolimus for Chinese renal transplant patients, above program languages were used to construct the population prediction and subpopulation prediction modules. Based on Bayesian principle and maximization of the posterior probability function, an objective function was established, and minimized by an optimization algorithm to estimate patient's individual pharmacokinetic parameters. It is proved that the network server has the basic functions for database management and three levels of prediction to aid doctor to optimize the regimen of tacrolimus for Chinese renal transplant patients.