急性脑卒中患者血清神经元特异性烯醇化酶浓度测定

目的测定急性脑卒中患者血清神经元特异性烯醇化酶(NSE)浓度并探讨其临床意义。方法应用酶联免疫反应法测定62例急性脑卒中患者发病3d内血清NSE浓度,同时按中国卒中评分标准进行神经功能缺损评分。结果(1)急性脑卒中患者血清NSE浓度23．25±8．91 μg／L与对照组6．98±2．11 μg／L相比明显增高(P<0．01),脑梗死24．31±9．41μg／L和脑出血23．13±8．03 μg／L两组之间血清NSE浓度无显著性差异(P>0．05);(2)急性脑卒中患者血清NSE浓度与脑梗死灶大小、脑出血血肿量及神经功能缺损程度明显相关(均P<0．01);(3)急性脑卒中患者血清NSE浓度与发病30 d Barthel指数评分无相关性(rS=-0．02,P=0．11)。结论急性脑卒中患者发病早期血清NSE浓度升高与脑损害和病情严重程度有密切关系。     

惊厥患儿血清神经元特异性烯醇酶的测定及其意义

采用时间分辨荧光分析法对14例惊厥患儿和10例对照患儿的血清NSE含量进行测定.结果,14例惊厥患儿发作当日血清NSE为10.41±3.18μg/L,明显高于对照患儿的7.39±2.65μg/L(P＜0.01),但惊厥发作后3d血清NSE明显下降,7d已恢复正常.结果表明,惊厥发作可致血清NSE含量升高,提示存在脑神经元损伤;血清NSE可作为早期发现惊厥时脑损伤的指标之一.     

痫样放电与血清神经元特异性烯醇酶变化的关系研究

目的探讨血清神经元特异性烯醇酶(NSE)在癫痫控制中的诊断价值。方法采用酶联免疫分析法检测癫痫病人有痫样放电者外周血NSE的浓度。结果常规脑电图出现痫样放电波及24h脑电监测每屏都存在痫样放电波者(频发组)血清NSE浓度为(14.15±0.64)μg/L,与对照组(7.98±0.48)μg/L比较差异有高度显著性(P<0.01);与常规脑电图未能发现痫样放电波及24h脑电监测痫样放电波发生次数<10次者(非频发组)的(11.02±4.12)μg/L比较差异也有高度显著性(P<0.01)。结论痫样放电引起血清NSE升高,对脑细胞存在损伤,血清NSE检测对药物控制癫痫的评价有重要价值,动态检测可帮助判断预后。     

癫痫患儿单次癫痫发作时血清NSE、MBP水平

目的:研究小儿单次癫癎发作是会否引起脑损伤。方法:采用ELISA法对癫癎发作组22例和正常对照组16例患儿进行血清髓鞘碱性蛋白(myelin basic protein,MBP)检测。除去溶血标本,采用ELISA法对癫癎发作组15例和正常对照组14例进行血清神经元特异性烯醇酶(neuron-specific enolase,NSE)检测。结果:癫癎发作组、对照组血清NSE值分别是(3.91±1.40)μg/L和(4.83±0.96)μg/L,二组之间差异无显著性(P>0.05)。癫癎发作组、对照组血清MBP值分别是(3.58±1.29)μg/L、(1.54±0.89)ug/L,癫癎发作组血清MBP值高于对照组(p<0.05)。结论:本实验提示单次癫癎发作伴有髓鞘破坏和血脑屏障通透性增高,但未提示单次癫癎发作会引起神经元损伤。     

肺癌组织多肽特异性抗原、神经元特异性烯醇化酶检测意义的探讨

目的 :探讨血清组织多肽特异性抗原 (TPS)和神经元特异性烯醇化酶 (NSE)水平与肺癌的关系。方法 :应用微粒子酶放大化学发光免疫分析技术 (EMIT)及酶联免疫吸附双抗体夹心法 (EL ISA)分别对 4 7例肺癌患者血清中 TPS、NSE进行测定 ,并与 4 0例正常人进行比较。结果 :肺癌组 TPS平均值为 (117.16± 6 4 .35 ) U /L ,NSE为 (2 3.5 8± 14 .5 0 )μg/L ,二者有显著相关(r =0 .35 7,P <0 .0 1) ,明显高于正常对照组 [TPS、NSE水平均值分别为 (2 4 .5 8± 17.91) U /L与 (8.36± 3.12 )μg/L ](均 P<0 .0 0 1)。结论 :TPS可作为肺癌特有的肿瘤标志物 ,与 NES联合检测 ,可提高肺癌阳性诊断率。     

血清碱性谷胱苷肽S转移酶测定在肝病中的意义

用酶标法对80例各类肝病患者进行血清谷胱苷肽 S 转移酶检测。结果:正常受试者4.68±2.49μg/L;急性肝炎11.45±6.76μg/L(P<0.01)和慢性肝炎8.57±5.05μg/L(P<0.05)均明显升高;肝炎后肝硬化4.75±4.34μg/L(P>0.05)和原发性肝癌4.43±3.21μg/L(P>0.05)无明显异常;十二指肠球部溃疡、胃癌和胰腺癌分别为4.41±3.05μg/L、4.28±1.84μg/L 和4.23±2.47μg/L(P>0.05)。提示:血清 GST—c是诊断肝脏炎性病变敏感和特异性较高的指标。     

不同神经损伤疾病血清髓鞘碱性蛋白测定临床价值探讨

目的评价血清髓鞘碱性蛋白(MBP)测定在神经损伤性疾病中的价值.方法采用酶免疫测定法定量测定神经损伤性疾病患者血清MBP水平.结果血清MBP水平28例多发性硬化患者4.69±0.89μg/L,18例格林巴利综合征患者6.11±3.01μg/L,80例脑血管疾病患者5.03±2.33μg/L,20例脑炎患者4.63±2.15μg/L,52例脑挫伤患者5.67±3.14μg/L,24例2型糖尿病患者5.13±2.54μg/L,均显著高于对照组1.10±0.89μg/L(均P＜0.01).36例有CT或MRI检查异常的脑挫裂伤患者血清MBP水平(6.68±3.08μg/L)显著高于无影像学改变者(3.41±1.92μg/L);对36例脑挫裂伤患者动态观察表明血清MBP水平在创伤后12～36h升高.结论血清MBP水平测定可反映神经损伤的范围和严重程度,可用于临床评估.     

神经元特异性烯醇化酶在脑胶质瘤的表达意义

目的探讨神经元特异性烯醇化酶(NSE)在大脑胶质瘤病患者的特异性表达及手术前后NSE水平的变化。方法在术前2天及术后3天采用放免法检测42例脑胶质瘤及其中27例肿瘤全切术患者手术前后NSE浓度，并与20例正常对照浓度进行对比研究。结果脑胶质瘤病患者外周血及CSF中NSE浓度明显高于正常对照组(P＜0.05)，分别为16.21±4.32p/μg/L与7.25±1.12p/μg/L及56.27±7.51p/μg/L与30.24±3.79p/μg/L。27例肿瘤全切术患者术后NSE浓度迅速下降至正常。结论NSE作为肿瘤标记物对脑胶质瘤的诊疗、预后判断及复发预测具有重大意义。     

心包液癌胚抗原检测及其意义

采用放射免疫法对24例良性和恶性心包炎患者同时检测心包液癌胚抗原(CEA)和血清CEA,并对50名健康者血清CEA作对比检测,拟定CEA>15μg/L为阳性。14例良性心包炎心包液和血清CEA值分别为10.07±5.67μg/L和7.79±5.89μg/L;10例恶性心包炎心包液和血清CEA值分别为101.10±79.19μg/L和24.50±19.16μg/L,其中9例(90%)心包液CEA值显著增高,而血清CEA值升高仅4例(40%)。表明心包液CEA水平的检测敏感性高,可作为恶性心包炎常规辅助诊断手段之一。     

肺癌术中胸腔积液CEA、CYFRA21-1及NSE联检对术后胸膜转移的预测价值

目的:探讨术中胸腔积液CEA和CYFRA21-1及NSE联检对肺癌患者术后胸膜转移的预测价值。方法:术中采集35例肺癌患者的胸腔积液,应用电化学发光免疫分析(ECLIA)技术,进行CEA和CYFRA21-1及NSE联检。结果:肺癌组CEA、CYFRA21-1和NSE水平明显高于良性疾病组,分别为:(272.56±144.81)μg/L和(3.72±1.94)μg/L(t=-2.335,P=0.023);(252.20±171.91)μg/L和(45.46±34.74)μg/L(t=-5.296,P=0.000);(107.30±88.53)μg/L和(43.66±29.88)μg/L(t=-3.105,P=0.003),差异有统计学意义;分别以大于8μg/L、102μg/L、92μg/L为阳性值,以其中2项或3项阳性为诊断依据,对胸膜微转移有较高的诊断灵敏度(74.3%)和特异度(100%);术后随访2~3年,有12例患者术后出现癌性胸腔积液,其中腺癌6例,鳞状细胞癌和小细胞癌各3例。术后出现癌性胸腔积液中位时间为11.4个月。结论:此方法对肺癌术后胸膜转移有重要的预测价值。     

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.     

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     

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.     

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.     

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…     

CLINICAL SIGNIFICANCE OF SERUM CYTOKINES IL-1β,sIL-2R,IL-6,TNF-α,AND IFN-v IN ACUTE CORONARY SYNDROME

Objectives To explore serum cytokines levels (including IL-1 β, sIL-2R, IL-6, TNF-α, and IFN-v) and their significance in patients with acute coronary syndrome (ACS) and the subsequent follow-ups, with attempt to estimate the role of various serum inflammatory markers in the diagnosis and assessment of ACS.Methods The study population include 40 patients with acute myocardial infarction (AMI), 40 patients with unstable angina pectoris (UAP), and 40 controls. Among the 80 patients, 60 patients attended a follow up 4 months later. Serum inflammatory markers including IL-1 β, sIL-2R, IL-6, TNF-α, and IFN-v were measured by enzyme linked immunosorbent assay.Results Serum IL- 1 β, sIL-2R, IL-6, TNF-α were significantly higher in AMI group or UAP group compared to the control group and became significantly lower 4 months later in the follow-up patients. Serum levels of IFN-v shows no significant difference between AMI group or UAP group and controls, also showing no significant change when measured in follow up patients. There was no correlation between serum creatine kinase-MB isoenzyme levels and serum inflammatory markers either in UAP or AMI group. Furthermore, when divided into two subgroups using Wagner's QRS scoring system in the AMI group, there is no difference of each serum inflammatory marker between ≤ 6 scores group and ＞ 6 scores group.Conclusion Serum levels of certain inflammatory markers may have some diagnostic value for ACS, and can be a useful marker reflecting disease stability.     

Possible Spread of adenovirus type 3 from poultry to humans ：indirect evidence from an outbreak in China

Objective:To explore the epidemiology and etiology for an outbreak of acute respiratory tract infection that occurred in one county of Jiangsu Province, China 2004. Methods: Only cases meeting the case definition were included in the study. We reviewed the medical records of the cases who were admitted to the local hospitals, interviewed cases by a standard questionnaire, and then described the epidemiotogic features and analyzed risk factors by means of a case-control study. We collected pharyngeal swab specimens and sent them to different laboratories for isolation and culture. The laboratory used different detection methods such as DIP, PCR, electron microscope examination and microneutralization assay, to identify and then type the positive specimens. Results:A total of 871 cases were reported during the period from April 18 to July 4,2004. The distribution of onset times presented two peaks, one in late May and another in middle June. The epidemic occurred mainly in the elementary and junior high schools in ten townships of one county, and the mean age of the cases was 12 years (range 7 months to 18 years). The course of the disease was acute, and was characterized by fever accompanied with sore throat and tonsillitis. The WBC count of cases was normal or elevated. The mean duration of illness was 5 days (range 2 to 12 days). No fatalities from illness were reported. A case-control study indicated that the possible risk factors were close contact with a case and/or poultry before onset and sharing of towels among members of the family. The typical CPE was observed through inoculating pharyngeal swab specimens into the HEP-2 cell cultures in different laboratories. An infection of adenovirus type 3 was verified by detecting positive specimens in different methods. Conclusion:This investigation demonstrated that the acute respiratory infection in cases was caused by adenovirus type 3. Cases occurred in over 70 schools in ten townships in 2004, and the route of transmission was possibly close contact with cases or droplet transmission.