妥舒沙星人体血药浓度测定及药代动力学研究

目的建立反相高效液相色谱荧光检测法测定人血浆中妥舒沙星浓度的方法。方法以加替沙星为内标,血浆经酸化采用20%高氯酸提取,色谱柱为XDB C18柱(4.6 mm×150 mm,5μm);流动相为乙腈-甲醇-20 mmol.L-1磷酸二氢钾(15∶15∶70),荧光检测(λex=342 nm,λem=420 nm)。结果妥舒沙星血浆浓度在10.80~1296 ng.ml-1内具有良好线性关系,平均相对回收率大于95%,萃取回收率大于60%,日内、日间相对标准差(RSD)均小于4.3%。结论该方法灵敏、准确,可用于妥舒沙星的药动学研究。     

HPLC法测定祛痹舒肩丸中阿魏酸的含量

目的:建立以高效液相色谱法测定祛痹舒肩丸中阿魏酸含量的方法.方法:色谱柱为C18柱(4.0 mm×250 mm,5 μm),流动相为乙睛-0.085%磷酸溶液(17:83),检测波长为323 nm,流速为1.0mL/min,柱温为室温.结果:阿魏酸在(0.001996～0.07984)mg/mL范围内浓度与峰面积线性关系良好(r=0.9997,n=7),平均加样回收率为101.2%,RSD为2.9%(n=6).结论:本方法简便、灵敏、准确,可用于祛痹舒肩丸的质量控制.     

高效液相色谱法测定环孢素A血药浓度

目的建立一种简便可行的HPLC方法测定环孢素A的血浆药物浓度。方法血样经多步处理后用Ba-iAn-C18柱(5μm×250 mm×4.6 mm)分离;流动相为甲醇-已腈-水-异丙醇(25∶18∶57∶1.5,v/v);流速为1.0 mL/min;柱温为70℃;检测波长为λ=208 nm。结果环胞素A(CsA)血药浓度在50~2 000 ng/mL范围内,标准曲线线性关系良好(r=0.998 0);环胞素A最低检测浓度为50 ng/mL,方法绝对回收率为92.1%~95.7%,相对回收率为94.3%~99.8%,样品稳定性良好。结论本法简便、快速、可行,对于移植术后环孢素A血药浓度检测,效果较好。     

二次萃取法测定人血浆中芬太尼浓度

目的探讨高效液相色谱法-紫外二次萃取法测定人血浆中芬太尼浓度的方法。方法本实验采用内标法,以盐酸瑞芬太尼为内标,以Zorbax-CN(250mm×46mm,5μm)为固定相,以含0.015mol/L磷酸氢二钠和0.05mol/L戊烷磺酸钠的乙腈-水溶液(70:30,v/v)为流动相,流速1.5mL/min,紫外检测波长200nm。结果标准曲线在1～100ng/mL范围内线性关系良好(r=0.999),最低检测浓度为1ng/mL,方法回收率为(91.45±4.55)%,提取回收率为(95.63±4.02)%,日内变异RSD(6.23±2.90)%,日间变异RSD(6.45±4.12)%。结论本方法简便、准确、检测浓度低,能够满足血浆中低浓度芬太尼的测定及临床药代动力学研究的要求。     

RP-HPLC法测定心可舒片中葛根素的含量

[目的]建立心可舒片中葛根素的HPLC含量测定方法。[方法]高效液相色谱法;色谱条件:ZORBAX Eclipse XDB-C18,柱温25摄氏;流动相:甲醇-水-磷酸(23∶77∶0.5);流速:1.0 ml·min-1;检测波长;250nm。[结果]葛根素在25ng~250ng范围内,线性关系良好,回归方程为Y=4663.9774X(r=0.9998),平均加样回收率为102.34%,RSD=2.7197%(n=5)。[结论]本方法稳定、可靠、操作简便、快速、重现性好,可用于心可舒片葛根素的质量控制。     

普卢利沙星胶囊的含量及有关物质的HPLC测定

建立了HPLC法测定普卢利沙星胶囊含量及有关物质。方法采用PICO·TAG TM C18色谱柱（5μm,3.9 mm×150 mm）;以乙腈-水-十二烷基硫酸钠（425：500：2.5,用磷酸调节pH为3.0）为流动相;流速1.0 mL/min;检测波长为275 nm;柱温：室温;进样量：20μL。结果普卢利沙星浓度在12～36μg/mL范围内具有良好的线性关系,r=0.9999（n=5）;平均回收率为99.7%,RSD为0.3%。结论本方法简便、快速、准确,可作为普卢利沙星质量控制的方法。     

RP-HPLC测定心可舒片中葛根素含量

目的:建立心可舒中葛根素的PR-HPLC测定方法.方法:采用RP-HPLC测定心可舒片中葛根素的含量;固定相1∶1,ODS-C18(5 μm);流动相1∶1,甲醇-18.0 ml/L醋酸溶液(20∶80);检测波长:250 nm.结果:平均回收率为100.15%,RSD为1.60%.结论:本法简便、快速,具有实用性.     

HPLC法测定肝舒胶囊中大黄素的含量

目的建立HPLC法测定肝舒胶囊中大黄素含量的方法。方法采用色谱柱Sino Chrom ODS(4.60 mm×250 mm,5μm);流动相为甲醇-0.1%磷酸溶液(85∶15);检测波长λmax=254nm。结果大黄素线性范围为4.12-46.16μg/mL,r=0.9999;平均加样回收率为99.75%,RSD为1.03%。结论本法简便、准确、灵敏度高、重现性好,可用于该制剂的含量测定。     

高效液相色谱法测定人血浆中扎来普隆的浓度

目的 :建立测定人血浆中扎来普隆浓度的高效液相色谱法。方法 :以美国迪马公司钻石C1 8反相柱 ( 15 0mm× 4.6mm ,5μm)为色谱柱 ,流动相为 ψ(乙腈 ∶冰乙酸∶三乙胺 ∶水 ) =5 0 ∶ 0 .2 5∶ 0 .0 2 5 ∶49.72 5 ,流速为 1.0mL/min ,荧光激发波长 3 45nm ,发射波长 460nm ,以乙酸乙酯为提取剂。结果 :扎来普隆高 ( 10 0 .0ng/mL)、中 ( 5 0 .0ng/mL)、低 ( 5 .0ng/mL)三种浓度的平均回收率分别为 96.9%、95 .4%、96.0 %,日内、日间差RSD均低于 8%;分析方法的最低检测浓度为 0 .5ng/mL。线性范围为 :1.0～ 10 0 .0ng/mL。结论 :该方法灵敏、准确、简单、快速 ,可用于临床血浓监测和药动学研究。     

HPLC法测定注射用托拉塞米的含量

目的 建立高效液相色谱法测定注射用托拉塞米含量的方法.方法 釆用液相色谱法,色谱柱:Kromasil C18色谱柱(4.6 mm×250 mm,5 μm),流动相:0.02 mol/L磷酸二氢钾(pH3.0)-乙腈(体积比3∶1),流速:1.0 mL/min,检测波长:291 nm.结果 托拉塞米质量浓度在0.020～0.091 mg/mL范围内与峰面积线性关系良好(r=0.999 9),平均回收率为99.80%,RSD为0.66%.结论 该方法操作简便、快速、灵敏、准确,重现性好,可作为注射用托拉塞米的含量测定方法.     

Value of D-Dimers in patients with acute aortic dissection

Objective: To evaluatel the value of D-dimers in patients with acute aortic dissection (AAD). Methods: This study consisted of 16 patients with AAD and 27 non-AAD patients. Serum D-dimets were measured by Sta-Liatest D-DI immunoturbidimetric assay. Results: D-dimer level was higher (P ＜ 0.001) in patients with AAD(7.91 ± 5.52 μg/ml) than that in non- AAD group(1.57±1.24 μg/ml). D-dimer was positive (＞0.4 μg/ml) in all patients with AAD and in 10 control group patients (37%). Among patients with acute AAD, D-dimers tended to be higher in Stanford A than in Stanford B (8.67 ± 4.31 μg/ml vs. 3.24±1.27 μg/ml, P ＜0.01). D-dimer values tended to be higher in more extended disease(3.84 ± 1.65 μg/ml, 8.57 ± 3.58 μg/ml and 11.87 ± 5.69 μg/ml in thoracic aorta, thoracic and abdominal aorta, thoracic and abdominal aorta and iliacal arteries, respectively, P ＜ 0.05 for both 8.57 ± 3.58 and 11.87 ± 5.69 vs. 3.84 ± 1.65 ). Including the control group into the analysis, we found a sensitivity of 100%, a negative predictive value of 100%, and a specificity of 66% and a positive predictive value of 64% for D-dimer in diagnosis of AAD in our patients with suspected AAD. Conclusion: D-dimer was elevated in patients with AAD. A negative D-dimer test result could be useful in excluding AAD.     

Research of combined liver-kidney transplantation model in rats

Objective： To set up a simple and reliable rat model of combined liver-kidney transplantation. Methods： SD rats served as both donors and recipients. 4℃ sodium lactate Ringer＇s was infused from portal veins to donated livers,and from abdominal aorta to donated kidneys, respectively. Anastomosis of the portal vein and the inferior vena cava （IVC） inferior to the right kidney between the graft and the recipient was performed by a double cuff method, then the superior hepatic vena cava with suture. A patch of donated renal artery was anastomosed to the recipient abdominal aorta. The urethra and bile duct were reconstructed with a simple inside bracket. Results： Among 65 cases of combined liver-kidney transplantation, the success rate in the late 40 cases was 77.5%. The function of the grafted liver and kidney remained normal. Conclusion： This rat model of combined liver-kidney transplantation can be established in common laboratory conditions with high success rate and meet the needs of renal transplantation experiment.     

APPLICATION OF LORNOXICAM TO PATIENT-CONTROLLED ANALGESIA IN PATIENTS UNDERGOING ABDOMINAL SURGERIES

FOR anesthesiologis s ,treatingpostoperativepainhas alwaysbeen a problem.Althoughopioidshave been provedtobe effective,theirsideeffectscouldnotbeignored.With thedevelopmentofscienceand pharmacology,many drugs with aspectsof satisfactoryanalgesicefficacyand couldbe welltoleratedby patientshave been developed.And lornoxicamisone of them, which isa non-steroidalanti-inflammatorydrug (NSAID ), with analgesic, anti-infl-ammatory,andantipyreticproperties.Itseliminationhalf-time(3 to 5 hours) isle…     

BLOOD PRESSURE CHANGE WITH AGE IN SALT-SENSITIVE TEENAGERS

Objective To observe blood pressure change with age in salt-sensitive teenagers whose salt sensitivity were determined by repeated testing.Methods Salt sensitivity was determined through intravenous infusion of normal saline combined with volume-depletion by oral diuretic furosemide in 55 teenagers. After five years, salt sensitivity was re-examined and subject blood pressure was followed up. Blood pressure changes in salt-sensitive teenagers were compared to that of non-salt sensitive teenagers over five years.Results After 5 years, the repetition rate of salt sensitivity determined by intravenous saline loading is 92.7%. In teenagers with salt sensitivity on the baseline, both the systolic blood pressure increments and increment rates were much higher than non-salt sensitive teenagers (12.7±12.1 mmHg vs. 2.8±5.2 mmHg, P＜ 0.01; 12.2%± 12.0% vs. 2.5% ±4.4%, P＜ 0.001,respectively). There was a similar trend for diastolic blood pressure (8.4 ± 6.4 mmHg vs. 3.7 ± 6.4 mmHg, P = 0.052; 13.2% ±10.6 % vs. 6.8%± 10.1%, P = 0.053, respectively).Conclusions Salt sensitivity determined by intravenous saline loading showed good reproducibility. Blood pressure increments with age were much higher in salt-sensitive teenagers than non-salt sensitive teenagers, especially in terms of systolic blood pressure.     

Development on Adjustable Calibration Marker for Shock Wave Focus

Shock wave lithotripsy （SWL） is a treatment of choice for upper urinary stones. However, this procedure is inappropriate for obese patients because the focus is often unable to reach the target owing to the limited focal distance in shock wave source. Although treating such patients in a blast path may increase the application length of shock wave source, it＇s difficult to find this path on the lithotripter monitor. For this reason, we invented an adjustable calibration marker in order to set an effective focus in the shock wave hath.     

Study on the TCM Pathogenesis of Angiopathic Complications of Type II Diabetes

Excess production of reactive oxygen species(ROS)of mitochondrion mediated by hyperglycemia is the common pathogenesis of angiopathic complications of diabetes.TCM holds that the damp from the dysfunction of spleen.kidney and liver is the causative factor of complications of diabetes.This is similar to the mechanism of Ros resulting in angiopathic complications of diabetes.When the angiopathic complications of type II diabetes mellitus(T2DM)are difierentiated as caused by turbid damp in TCM can be explained as ROS.Since the obstruction of pathogenic damp in channels and collaterals is said to be the main pathogenesis,the treating principle should be dissolving the damp to remove the obstruction.     

Leptin, Ghrelin and TNF-α before and after Hypo-caloric Traditional Chinese Diet and Auricular Acupuncture

INTRODUCTION Obesity is a complex emergent problem, which can be possibly solved not only by the diet but also by the life style and promotion of a constant physical exercise. 1, 2 No doubt careful attentions must be given to the nutritional condition of obese people, the dietary habits, the somatic build (i.e. distribution of fat mass) and the organic functions linked to formation of the fat mass. All the parameters should be constantly monitored before, during and after a diet treatment. 3, 4, 5     

Relationship between Dysglycemia and Carotid Atherosclerosis in Tibetan Population

People with dysglycemia are at high risk for atherosclerotic diseases. This study aims at investigating the atherosclerotic vascular damage in dysglycemia and its metabolic origin in Tibetan population.     

Acupuncture Combined with Spinal Tui Na for Treatment of Primary Dysmenorrhea in 30 Cases

Objective: To observe the therapeutic effects in acupunture treatment of primary dysmenorrhea combined with spinal Tui Na, and study its mechanism. Methods: Thirty cases of the treatment group were treated by acupuncture combined with spinal Tui Na, and thirty cases in the control group were treated by routine acupuncture. Results: The total effective rate was 93.3% in the treatment group, and 73.3% in the control group, with a significant difference between the two groups (P<0.05). Conclusions: Acupuncture combined with spinal Tui Na has good prospects for treatment of primary dysmenorrhea.     

Luo Lingjie's Experience in Treating Chronic Nephropathy

In treating chronic nephropathy,Luo Lingjie,a chief physician,pays attention to regulating the balance between yin and yang,treating infection if present,and removing pathogenic factors.He prescribes gentle drugs and uses carefully strongly warming-tonifying ones,emphasizes the importance of persuading the patient to persist in treatment with medication and nurse one's health for recuperation,and is good at combined use of TCM and western medicine therapy and brings the merits of various therapies into full play,with obvious theraoeutic effects.