1.Influence of type 2 diabetes mellitus on coronary artery lesion and plaque using optical coherence tomo- graphy in patients with coronary artery disease
Xuan GAO ; Chunfeng NIU ; Bo YU
Chinese Journal of cardiovascular Rehabilitation Medicine 2015;24(2):168-172
Objective:To study influence of type 2 diabetes mellitus (T2DM) on coronary artery lesion and plaque sta‐bility using optical coherence tomography (OCT) in patients with coronary artery disease (CAD) manifesting unsta‐ble angina pectoris (UAP) . Methods :A total of 200 patients diagnosed as CAD manifesting UAP were selected.According to complicated with diabetes mellitus or not ,they were divided into normal blood glucose group (n=98) and complicated T2DM group (T2DM group ,n=102). Coronary angiography (CAG) and OCT were used to eval‐uate coronary artery lesion ,assess plaque nature and measure the thickness of plaque fibrous cap in order to confirm plaque stability . Results:Compared with normal blood glucose group ,there were significant rise in percentages of multi-vessel coronary disease (48.98% vs. 78.43% ) ,severe artery stenosis (20.57% vs. 40.21% ) ,lipid plaques (25.00% vs. 39.84% ) and plaques with fibrous cap thickness <65μm (25.93% vs. 45.24% ) in T2DM group , P<0.05 or < 0.01 .Conclusion :Patients with coronary artery disease have more severe coronary artery lesion and high ‐ er incidence rate of multi‐vessel coronary disease and unstable plaque when complicated with type 2 diabetes mellitus .
2.Clinical Study on TanshinoneⅡA Sodium Sulfonate Injection in the Treatment of Acute Cerebral Infarction
Bingchao XU ; Xinyu ZHOU ; Xuan WANG ; Niu JI ; Wanli DONG
China Pharmacy 2017;28(26):3660-3663
OBJECTIVE:To investigate the effects of TanshinoneⅡA sodium sulfonate injection on levels of P-selectin,glial fi-brillary acidic protein (GFAP),vascular endothelial growth factor (VEGF) and neurological function in patients with acute cere-bral infarction. METHODS:A total of 114 patients with acute cerebral infarction selected from Lianyungang First People's Hospi-tal during Apr. 2013-Apr. 2016 were divided into control group and observation group according to random number table,with 57 cases in each group. Control group was given routine treatment. Observation group was additionally given Tanshinone ⅡA sodium sulfonate injection 40 mg 0.9% sodium chlonride injection 250 mL,ivgtt,qd. A treatment course lasted for 7 d,and both received 2 courses of treatment. NIHSS scores,the levels of serum P-selectin,GFAP and VEGF were compared between 2 groups before treatment and after 7,14 d of treatment. The occurrence of ADR was also compared. RESULTS:Before treatment,there was no statistical significance in above indexes between 2 groups(P>0.05). Compared to before treatment,NIHSS score,the levels of se-rum P-selectin and GFAP in 2 groups were decreased significantly after 7,14 d of treatment,while the serum level of VEGF was increased significantly. These indexes of 2 groups after 14 d of treatment were significantly better than 7 d of treatment,except for NIHSS score. Above indexes of observation group was significantly better than those of control group during corresponding period, with statistical significance (P<0.05). No obvious ADR was found in 2 groups. CONCLUSIONS:For acute cerebral infarction, Tanshinone ⅡA sodium sulfonate injection can significantly reduce the levels of serum P-selectin and GFAP,improve VEGF level and promote the recovery of neurological damage with good safety.
3.Research progress of immunoscore
Xinru ZHAO ; Yuye ZHAO ; Guohong LI ; Xuan KAN ; Zuoxing NIU
Journal of International Oncology 2016;43(10):772-774
A methodology named immunoscorehas been proposed in recent years.It has been demonstrated to be a prognostic factor superior to the Union for International Cancer Control-American Joint Committee on Cancer (UICC-AJCC)TNMclassification.Over the past few years,it has gained a forefront posi-tion in colorectal cancer.It has the advantages of simple operation,low cost and high accuracy,and it is nee-ded for individual therapy.However,it still has its limitations.
4.Analysis of the reliability and validity about scientific research competence indicators system of hospitals in Shanghai
Yuhong NIU ; Chunlin JIN ; Hansheng DING ; Na LI ; Shanshi YANG ; Minyu RAO ; Xuan LUO
Chinese Journal of Medical Science Research Management 2015;28(5):382-386,390
Objective To analyze the reliability and validity of an established Research Hospital Competitiveness Evaluation System.Methods To evaluate the research competitiveness of 34 tertiary hospitals and their departments in Shanghai using above system.The reliability and validity of the indicator system were analyzed with the Cronbach's alpha coefficient, and confirmatory factor analysis based on the structural equation model.Results After adjusting for structure of the index system via item parceling, the CFI, MFI, RMSEA AND IFI were 1.000, 1.009, 0.000 and 1.028, the Cronbach's alpha of whole set indicators system was 0.768.Conclusions The results suggested that the measured reliability and validity are both in good degree, survey results can reflect the actual competence of evaluated hospitals.
5.Experimental Study of Adrenomedullin in Autoimmune Myocarditis Induced by Immunization of Mice with Lactobacillus Casei Cell Wall Element
ji-wei, ZHANG ; hong-wei, WANG ; mei-zhen, NIU ; hong, SHI ; qing-jun, LIU ; pei-xuan, CHENG ; ya -li, LIU
Journal of Applied Clinical Pediatrics 2004;0(11):-
Objective To study adrenomedullin (AM) mRNA and protein expression level in myocardium of autoimmune myocarditis animal models induced by immunization of mice with lactobacillus casei cell wall element(LCWE). Methods Forty-five Balb/c male mice were randomly divided into experimental group (n = 30) and control group (n = 15), which were intraperitoneally injected with LCWE and phosphate buffered solution(PBS) at day 0,3,5 and 10,respectively. Sera and myocardium samples were gained 14,21 and 28 days after the first immunization. AM expression levels were determined by semiquantitative reverse transcriptase-polymerase chain reaction(RT- PCR) and immunchistochemistry,and mycardial histopathological lesions were observed. The anti- myosin antibodies in different stages were examined by an ELISA. Results There were myocardial necrosis or inflammatory infiltration in the experimental group, but myocardial lesions were not found in the control group. Anti - myosin antibodies were detected in sera of experimental mice,but not in control group. Immunchistochemistry findings demonstrated that AM expression level was higher in the experimental group than in the control group( P
6.Safety and efficacy of prophylactic single antibiotics administration in selective open colorectal surgery.
Guo-le LIN ; Hui-zhong QIU ; Yi XIAO ; Bin WU ; Bei-zhan NIU ; Jiao-lin ZHOU ; Xin-ming YU ; Zhi-xuan XUAN
Chinese Journal of Gastrointestinal Surgery 2012;15(10):1040-1043
OBJECTIVETo investigate the safety and efficacy of prophylactic single antibiotic administration in selective open colorectal surgery.
METHODSTwo hundred and seventy-five patients undergoing selective open colorectal surgery in the Peking Union Medical College Hospital from October 2009 to October 2011 were retrospectively reviewed. Prophylatic single antibiotic administration was used by intravenous infusion 30-60 min before incision. No antibiotics would be given after operation if there was no surgical site infection(SSI). According to the incidence of postoperative SSI, unexplained use of antibiotics, anastomotic leakage and distant-site infection, the clinical outcome was assessed to be prophylactic success, prophylactic failure or distant-site infection, respectively.
RESULTSThere was no intraoperative or postoperative antibiotics related drug anaphylaxis in all the 275 patients. By prophylactic single antibiotic administration, there were prophylactic success in 243 patients(88.4%,243/275), prophylactic failure in 23(8.4%,23/275), distant-site infection in 9(3.3%,9/275). In the 23 patients with failed prophylaxis, there were SSI in 13(4.7%,13/275) patients, postoperative use of broad-spectrum antibiotics for unexplained fever in 2(0.7%,2/275), postoperative anastomotic leakage in 8(3.6%,8/222).
CONCLUSIONProphylactic single antibiotic administration in selective open colorectal surgery is safe and effective.
Anti-Bacterial Agents ; therapeutic use ; Antibiotic Prophylaxis ; Colorectal Surgery ; Humans ; Incidence ; Retrospective Studies ; Surgical Wound Infection ; epidemiology ; prevention & control
7.Hemodynamics analysis of vertebral artery ostium stenosis treated with stent implantation undergoing different protrusion distances
Jing NIU ; Xuan DAI ; Ai-ke QIAO ; Li-qun JIAO
Journal of Medical Biomechanics 2012;27(6):E598-E602
Objective To investigate the influence of different protrusion distance of stent strut into the subclavian artery on local hemodynamics of the vertebral artery (VA) ostium.Methods Five models of the VA were established. Model 1 was without stent implantation, Model 2 to 5 was with stent protruding into the subclavian artery for 0, 1, 2, 3 mm, respectively. Computational fluid dynamics analysis was performed to study the differences of hemodynamics in these models. Results After stent implantation, the wall shear stress and the blood flow velocity at the stent segment in the Model 2 was reduced by 85.33% and 35.36%, respectively. The phenomenon of swirling flow disappeared. For models with different protrusion distance, the maximum difference of wall shear stress of VA was 0.76%, and the maximum difference of blood flow velocity is 0.45%. ConclusionsStent implantation can improve the hemodynamics of vertebral artery ostium stenosis, while the protrusion distance of stent strut has no obvious influence on the blood flow velocity and wall shear stress.
8.The effects of repetitive limb ischemia on the systemic concentration of NO, NOS in plasma of healthy humans.
Sha DANG ; Yu-Min LUO ; Xun-Ming JI ; Guowei LU ; Wei-Zhen NIU ; Shu-Ting LI ; Feng LING
Chinese Journal of Applied Physiology 2008;24(3):257-261
AIMTo investigate the effects of RLI on plasma nitric oxide (NO) and NO synthase (NOS) isoforms of healthy humans.
METHODS30 healthy human subjects (aged from 40 - 70 years old) were recruited. RLI was induced by five 5 min cycles of ischemia of non dominant arm (200 mmHg, 5 min interval). Blood pressure, heart rate, and the feelings of ischemic arm were continuously monitored. Venous plasma was collected in contralateral arm at Pre, Post-0 h, Post-4 h, and Post-24 h. Plasma level of NO was measured by Griess reaction, and NOS was measured by chemical method.
RESULTSBlood pressure and heart rate varied in normal range. The uncomfortable feeling was decreased with the increasing numbers of ischemic cycles. Plasma level of NO, and iNOS in plasma were significantly increased at Post-0 h, Post-4 h, and Post-24 h compared to Pre (P < 0.05). tNOS was also significantly increased at Post-0 h and Post-4 h compared to Pre (P < 0.05). No significant change in plasma cNOS was shown at following three time points than Pre.
CONCLUSIONThese findings suggest that RLI can elevate plasma level of NO, tNOS, and iNOS in healthy humans. RLI might be a safe method as a rIPC, and it would have important possibility to be performed in clinic.
Adult ; Aged ; Arm ; blood supply ; Female ; Humans ; Ischemia ; blood ; physiopathology ; Ischemic Preconditioning ; methods ; Male ; Middle Aged ; Nitric Oxide ; blood ; Nitric Oxide Synthase ; blood ; metabolism ; Reperfusion Injury ; physiopathology ; prevention & control
9.Association between APOC3 promoter region polymorphisms and non-alcoholic fatty liver disease.
Tonghong NIU ; Man JIANG ; Haogang LIU ; Xiangjun JIANG ; Zhonghua LIN ; Mei ZHANG ; Jian WANG ; Ning GENG ; Yongning XIN ; Shiying XUAN
Chinese Journal of Hepatology 2014;22(5):374-379
OBJECTIVETo investigate the association between two polymorphisms of the APOC3 gene (T-455C and C-482T) and hereditary risk of non-alcoholic fatty liver disease (NAFLD).
METHODSA total of 287 patients with NAFLD and 310 control subjects were genotyped by PCR and direct sequencing. Serum lipid profiles were also detected by standard biochemical
METHODSOne-hundred-and-eighty of the study participants were used to measure the APOC3 content by enzyme-linked immunosorbent assay. Inter-group differences and associations were assessed statistically using Chi square and t tests and logistic and linear regression analyses.
RESULTSThe frequencies of neither the genotypes or alleles were significantly different between the NAFLD cases and the controls. Compared with the most common genotypes-455TT or-482CC, none of the variants showed a significant increase in risk of NAFLD or for the clinical and biochemical parameters. The adjusted odds ratios (with 95% confidence intervals) of NAFLD were 1.25 (0.79-1.96) and 1.20 (0.76-1.89) for carriers of the APOC3-455C and-482 T variants respectively (P more than 0.05).
CONCLUSIONThe T-455C and C-482T polymorphisms of the APOC3 gene are not associated with risk of NAFLD, pathogenic changes in lipid profiles, or insulin resistance in Han Chinese.
Adult ; Aged ; Alleles ; Apolipoprotein C-III ; genetics ; Case-Control Studies ; Female ; Gene Frequency ; Genotype ; Humans ; Insulin Resistance ; Lipids ; blood ; Male ; Middle Aged ; Non-alcoholic Fatty Liver Disease ; genetics ; metabolism ; Polymorphism, Single Nucleotide ; Promoter Regions, Genetic ; Young Adult