1.A study on the effective factors of hospital-acquired infections in decompensate cirrhosis
Lanfang SUN ; Jiayan CHEN ; Xiaomeng CAO ; Guosun ZHANG
Clinical Medicine of China 2012;28(10):1072-1075
Objective To investigate Hospital-acquired infections in patients with liver cirrhosis caused by relevant factors.Methods From Jul.2006 to Jan.2011 the clinical data of 476 cases of hospital-acquired infections in patients with decompensate cirrhosis were retrospectively analyzed by case-control study for the effective factors.Results By logistic regression analysis,17 factors are found to affect Hospital-acquired infections ; 16 risk factors:Occupation in manual labor ( OR =4.119,95 % CI:2.631-6.325 ) ; Age ( OR =3.014,95 % CI:1.163-7.136) ; The cirrhosis disease history ( OR =1.761,95 % CI:1.439-2.130) ; Length of stay in hospital (OR =17.354,95 % CI:2.539-101.304) ; Interventional procedures ( OR =5.379,95% CI:2.354-17.594) ;Peotein intake ( OR =3.201,95% CI:1.539-4.528) ; Alcohol drinking history ( OR =3.158,95%CI:2.274-7.153 ) ; Development of complication ( OR =8.367,95 % CI:2.023-11.736 ) ; ALB ( OR =4.613,95% CI:2.157-9.936 ) ; PCR-HBV DNA quantitative ( OR =3.628,95% CI:2.245-7.129 ) ; WBC ( OR =3.758,95% CI:2.276-7.018 ) ; CHE ( OR =3.148,95% CI:2.202-6.038 ) ; TC ( OR =3.210,95% CI:2.102-5.107) ;TBIL(OR =2.748,95% CI:1.283-3.153) ; Antiviral agents (OR =0.257,95% CI:0.145-0.382 ) ; Preventive application of antibiotics ( OR =3.147,95% CI:2.236-7.182 ) ; PTA ( OR =2.798,95%CI:1.293-4.182) ;Liver function of Child B and C (OR =4.164,95% CI:2.236-6.761 ).Conclusion Age,length of stay in hospital,interventional procedures,alcohol drinking history,development of complication,ALB,PCR-HBVDNA quantitative,WBC,TC,Preventive application of antibiotics,liver function of Child are risk factors.Use of anti-virus drug are protective factors.
2.Clinicopathologic characteristics and prognostic analysis of luminal B breast cancer patients with diabetes
Bei SUN ; Guofang HOU ; Xiaobei ZHANG ; Xiaomeng HAO ; Sheng ZHANG
Chinese Journal of Clinical Oncology 2013;(17):1042-1046
Objective:To investigate the clinical, pathological, and prognostic characteristics of luminal B breast cancer patients with diabetes. Methods:A total of 479 luminal B breast cancer patients with diabetes and 3 392 luminal B breast cancer patients without diabetes who were treated between January 2002 and December 2006 were enrolled in this study. The luminal B breast cancer patients were further divided into the luminal B (high ki67) and luminal B (Her-2/neu+) subgroups. Each subgroup was further grouped into metformin-treated, non-metformin-treated, and non-diabetic groups. The indicators included cancer-specific mortality, clinical, pathological stage, lymph node status, chemotherapy, and endocrine therapy. The survival analysis of each group was performed using the Kaplan-Meier method, and the significance was determined using the logrank test. Cox proportional hazard model was used to examine the correlation between each factor and the prognosis. Results:The Kaplan-Meier analysis results revealed that the breast cancer mortality rates in the metformin-treated, non-metformin-treated, and non-diabetic groups were significantly different in both luminal B (high ki67) and luminal B (Her-2/neu+) subgroups (logrank test:P<0.001, P=0.035), and the respective five-year survival rates were 93.5%, 81%, and 89%for the luminal B (high ki67) subgroup and 84%, 77%, and 83%for the luminal B (Her-2/neu+) subgroup. The Cox multifactorial regression analysis results showed that compared with the metformin-treated group, the non-metformin-treated group was associated with a significantly increased risk of mortality (P<0.001, P=0.044) in the two subgroups. Meanwhile, the non-diabetic group was associated with an increased risk of mortality (P=0.038) in the luminal B (high ki67) subgroup only. The percentage of elderly (P<0.001), menopausal (P<0.001), obese (P<0.001), and patients with cardio-cerebrovascular complications (P<0.001) tended to be higher in the metformin-treated and non-metformin-treated groups than in the diabetic group. Moreover, the metformin-and non-metformin-treated groups in the luminal B (high ki67) subgroup were associated with high percentages of T3/4 pathological stage (P<0.001), lymph node metastasis (P=0.001). The non-metformin-treated group was associated with a lower percentage of invasive ductal carcinoma (P=0.001) compared with the other two groups. Conclusion:The non-metformin-treated group resulted in worse clinical outcomes in both subgroups compared with the metformin-treated group. Meanwhile, the non-diabetic group resulted in the worst prognosis among the three groups in the luminal B (high ki67) subgroup. These findings suggest that the choice of different anti-diabetic drugs may influence the prognosis of luminal B breast cancer patients with diabetes.
3.Evaluation of quality of life and intervention measures of female patients with urinary incontinence
Xiaomeng GUAN ; Tao SUN ; Chen WU ; Yan LIU ; Kefang WANG
Chinese Journal of Practical Nursing 2011;27(26):1-4
ObjectiveTo explore the impact of urinary incontinence on women's quality of life, and the effective measures to improve it.MethodsWe conducted a comprehensive literature review to analyze the present research about quality of life on urinary incontinent women and interventions for improving it.ResultsUrinary incontinence influenced patients' quality of life in many aspects, especially in their physical health, mental health, daily living and sexual life. Regular pelvic floor muscle training could prevent and control the incontinence symptoms and improve patients' quality of life.ConclusionsIt is necessary to carry on a series of activities to propagandize that urinary incontinence can be treated, effective measures should be taken to prevent and manage urinary incontinence in order to improve quality of life in urinary incontinent women.
4.Simultaneous Determination of 5 Saponins in Lonicerae Flos by QAMS Method
Ling SUN ; Xiaolan FAN ; Qi GUO ; Xiaomeng ZHANG ; Lei CHEN
China Pharmacy 2017;28(18):2546-2549
OBJECTIVE:To establish the method for simultaneous determination of 5 saponins in Lonicerae Flos. METHODS:Using macranthoidin B as a reference,HPLC method was adopted to calculate the relative correction factor(RCF)of it to macran-thoidin A,dipsacoside B,macranthoside A and macranthoside B. The contents of above 4 saponins were calculated through RCF. Using the contents of saponins determined by external standard method as measured value,the calculated value was compared with measured value. RESULTS:The linear ranges of macranthoidin A,macranthoidin B,dipsacoside B,macranthoside A and macran-thoside B were 0.316-6.32 μg(r=0.9973),0.453-9.06 μg(r=0.9982),0.231-4.62 μg(r=0.9996),0.342-6.84 μg(r=0.9984) and 0.147-2.94 μg(r=0.9961),respectively. RSDs of precision,stability and reproducibility tests were all lower than 2.0%. The recoveries were 97.74%-104.51%(RSD=2.37%,n=6)、96.70%-103.20%(RSD=2.37%,n=6)、96.12%-103.61%(RSD=2.45%, n=6)、98.80%-104.70%(RSD=2.32%,n=6)、99.21%-102.92%(RSD=1.39%,n=6),respectively. There was no statistical sig-nificance between calculated value and measured value(P>0.05). CONCLUSIONS:The method is simple,precise,stable and re-producible. It can be used for the determination of saponins in Lonicerae Flos.
5.Development and application of computer-auto-controlling and analysis system for tail suspension
Xiuping SUN ; Xiaomeng ZHANG ; Cong LU ; Yihua LI ; Xinmin LIU
Chinese Journal of Comparative Medicine 2014;(5):66-71
Objective To develop a computer-auto-controlling and analysis system for Tail suspension .Methods Combining the advantage of computer science , engineering and animal behavior into tail suspension test .The “energy”index was developed .The system was validated with antidepressants such as imipramine and paroxetine .Results The measuring principle is based on the energy developed by mice trying to escape from their suspension .During the test, the movements of the mice are analyzed in terms of force , energy and power developed over time .Each mouse issuspended by the tail using adhesive tape to a hook connected to a tail test sensor .The tail test sensor fixed to suspension bar picks up all movements of the mouse and transmits these to a signal regulation unit and transmission circuit , which amplify , filter and digitalizes the signals.The signals are displayed visually in waveform .Activity time, immobility time, energy are continuously updated .The correlation coefficient of “immobility time” collected by computer and manpower was 0.94. Using this system, both imipramine and paroxetine could decreased the immobility time and paroxetine could increased the energy induced by mice ( both P <0.01 ) .Conclusion A stable computer-auto-controlling and analysis system for Tail suspension was established and could be used to screen the antidepressants .
6.Ultrastructural Changes of Gastric Smooth Muscle Cells and Relationship between Expressions of Contractile Proteins and Advanced Glycation End Products in Patients with Diabetes Mellitus
Qinge WANG ; Ying ZHU ; Yun WANG ; Xiaomeng SUN ; Lin LIN
Chinese Journal of Gastroenterology 2014;(12):719-724
Background:Myopathy due to smooth muscle cells( SMC)abnormalities is involved in the pathogenesis of diabetic gastroparesis(DGP),however,the relationship between myopathy and advanced glycation end products(AGEs)is not fully clarified. Aims:To investigate the ultrastructural changes of gastric SMC in patients with diabetes mellitus( DM)and the relationship between expressions of contractile proteins and AGEs. Methods:Full-thickness gastric specimens from 30 gastric neoplasm patients undergoing gastrectomy from July 2012 to December 2012 at the First Affiliated Hospital with Nanjing Medical University were collected. Of them 15 patients had DM( DM group)and the other 15 patients without ( control group). Ultrastructure of SMC was observed by transmission electron microscopy. Expressions of three contractile proteins[ myosin heavy chains( MHC),α-actin and calponin]and Nε-carboxymethyllysine( CML),the key component of AGEs in gastric muscular layer were determined by Western blotting,and expressions of MHC,α-actin and calponin mRNA were determined by real-time PCR. Correlations of mRNA expressions of three contractile proteins with protein expression of CML were analyzed by Pearson correlation coefficient. Results:In DM group,significant ultrastructural changes were found in gastric SMC,including disruption of gap junction,swelling of mitochondria,occurring of lipofuscin in cytoplasm,increase in cell membrane alveolae,and thickening of basal lamina. Protein and mRNA expressions of muscular MHC,α-actin and calponin were significantly lower in DM group than in control group(P all ﹤0. 01),while protein expression of CML was significantly higher in DM group(P ﹤0. 01). In gastric muscular layer of DM group, negative correlations were found between expressions of MHC,calponin mRNA and CML protein(r= -0. 59,P=0. 02;r= -0. 63,P=0. 01),but no correlation was seen between α-actin mRNA and CML protein(r= -0. 49,P=0. 06). Conclusions:Disruption of SMC ultrastructure,decrease in contractile proteins and increase in AGEs are existed in gastric muscular layer of DM patients,and there is a negative correlation between contractile proteins and AGEs. These changes may cause impaired contractility of SMC,and subsequently lead to gastric motility disorders in diabetic patients.
7.Expression of RhoA/ROCK Signaling Pathway in Diabetic Colon Muscle
Xiaomeng SUN ; Ying ZHU ; Qinge WANG ; Jianan BAI ; Lin LIN
Chinese Journal of Gastroenterology 2014;(11):673-677
BacKground:The mechanism of diabetic gastrointestinaI dysmotiIity is stiII uncIear. More and more studies showed that gastrointestinaI smooth muscIe derived factors pIay an important roIe in gastrointestinaI dysmotiIity. RecentIy,the roIe of RhoA/ROCK signaIing pathway in diabetic compIications become a research hotspot. Aims:To investigate the possibIe roIe of RhoA/ROCK signaIing pathway in diabetic coIon dysmotiIity by examining the expressions of major signaIing moIecuIes in diabetic coIon muscIe. Methods:NormaI coIon tissue sampIes taken from patients undergoing radicaI surgery for coIonic cancer from Sept. 2012 to Dec. 2013 at the First AffiIiated HospitaI of Nanjing MedicaI University were coIIected. According to gIycated hemogIobin IeveI,the patients were divided into diabetes meIIitus( DM)group and controI group. The expressions of major signaIing moIecuIes in RhoA/ROCK1 signaIing pathway incIuding RhoA,ROCK1,MYPT1 and p-MYPT1 were determined by immunohistochemistry or Western bIotting. Results:Immunohistochemistry showed that expression of RhoA protein in DM group was significantIy Iower than that in controI group(P<0. 05). Western bIotting showed that expression IeveIs of RhoA,ROCK1 and p-MYPT1 proteins were significantIy Iower in DM group than in controI group(0. 62 ± 0. 42 vs. 1. 15 ± 0. 69,0. 54 ± 0. 09 vs. 0. 75 ± 0. 05,0. 70 ± 0. 28 vs. 1. 04 ± 0. 47;P<0. 05),whereas no significant difference in expression IeveI of MYPT1 protein was found between DM group and controI group(0. 94 ± 0. 50 vs. 1. 21 ± 0. 80,P>0. 05). Conclusions:The inhibition of RhoA/ROCK signaIing pathway in diabetic coIon muscIe may have some correIation with diabetic coIon dysmotiIity.
8.Expressions of transient receptor potential cation channel 6 and integrin-linked kinase in glomerular of proteinuric kidney diseases
Xiaohong GUO ; Han ZHANG ; Jie HU ; Xiaomeng TAN ; Jie YANG ; Jifeng SUN
Chinese Journal of Nephrology 2017;33(5):378-384
Objective To observe the expressions and distribution of transient receptor potential cation channel 6 (TRPC6) and integrin-linked kinase (ILK) in the glomeruli of renal biopsytissue of patients with proteinuric kidney diseases,and to investigate the effect of TRPC6 over-expression on ILK in vitro.Methods The archival histological specimens of patients admitted to Tangdu hospital from 2012 to 2013,with 24-hour urinary protein over 1 g,were collected.The expressions and distribution of TRPC6 and ILK in the glomeruli of renal biopsy tissue were observed by immunohistochemistry.MPC5 podocytes were cultured in vitro and they were stimulated with 10-7 mol/L ADR for 12,24 and 36 h.The pcDNA3.1(+)-TRPC6 plasmid and pcDNA3.1(+) were transfected into MPC5 podocytes by liposome 2000 reagent to establish the TRPC6 overexpression group and the negative control group respectively.Western blotting was used to detect the expressions of TRPC6 and ILK protein.Results There were 14 cases of membranous nephropathy,13 cases of focal segmental glomerulosclerosis (FSGS),15 cases of membranoproliferative glomerulonephritis,12 cases of mesangial proliferative glomerulonephritis,10 cases of hyperplastic sclerosis nephritis,15 cases of IgA nephropathy,13 cases of purpura nephritis,15 cases of lupus nephritis,13 cases of hypertensive renal injury,14 cases of diabetic nephropathy and 9 cases of normal renal tissue included.In glomerulus,TRPC6 was expressed mainly in podocytes,and the expressions of TRPC6 in these renal tissues were higher than that in normal renal tissues (all P < 0.05),except for hypertensive nephropathy.ILK was expressed in podocytes and the mesangial areas.The expressions of ILK in FSGS,lupus nephritis and diabetic nephropathy were higher than that in normal kidney tissue (all P < 0.05),while the other renal tissues was high but showed no statistical difference with normal kidney tissue (all P > 0.05).The expressions of TRPC6 and ILK were positively correlated in renal tissues of FSGS and diabetic nephropathy (r=0.906,P < 0.001;r=0.783,P=0.001 respectively).The expressions of TRPC6 and ILK protein in 24 and 36 h stimulating with ADR were significantly higher than that in the control group (all P < 0.05).The expression of ILK in the TRPC6 overexpression group was significantly higher than that in the normal control group (P < 0.05).Conclusions The expressions of TRPC6 and ILK increase in the glomeruli of patients with kidney diseases with proteinuria being the main manifestation,especially in FSGS and diabetic nephropathy.The up-regulation of TRPC6 can increase the expression of ILK protein,which may be involved in podocyte injury.
9.Relationship between self-efficacy and core competence in psychiatric nurses :the mediating role of psychological resilience
Qinghua LU ; Qingzhi XU ; Aiqing WANG ; Guihua LIU ; Feifei SUN ; Xiaomeng ZHU ; Gengkun ZHONG
Chinese Journal of Practical Nursing 2017;33(9):708-712
Objective To explore the relationship among psychological resilience, self-efficacy and core competence in psychiatric nurses. Methods Totally 237 psychiatric nurses in a psychiatric hospital in Shandong province were recruited and assessed with general information questionnaire, Connor-Davidson Resilience Scale, General Self-Efficacy Scale and Competency Inventory for Registered Nurse. Results The total core competence of psychiatric nurses was (2.59 ± 0.66) points, at a moderate level. Psychological resilience were positively corrected with self- efficacy (r=0.454,P=0.000) and core competence (r=0.647, P=0.000), self-efficacy were positively corrected with core competence (r=0.487, P=0.000). Psychological resilience partially mediate the relationship between self- efficacy and core competence, It′s mediating effect was 44.8%. Conclusions Psychological resilience plays an important role to core competence in psychiatric nurses.Nursing managers should carry out related training, improve the psychological resilience and self-efficacy of psychiatric nurses, and comprehensively improve the level of core competencies.
10.Study of the clinical phenotype of symptomatic chronic airways disease by hierarchical cluster analysis and two-step cluster analyses
Pu NING ; Yanfei GUO ; Tieying SUN ; Hongsheng ZHANG ; Di CHAI ; Xiaomeng LI
Chinese Journal of Internal Medicine 2016;55(9):679-683
Objective To study the distinct clinical phenotype of chronic airway diseases by hierarchical cluster analysis and two-step cluster analysis.Methods A population sample of adult patients in Donghuamen community,Dongcheng district and Qinghe community,Haidian district,Beijing from April 2012 to January 2015,who had wheeze within the last 12 months,underwent detailed investigation,including a clinical questionnaire,pulmonary function tests,total serum IgE levels,blood eosinophil level and a peak flow diary.Nine variables were chosen as evaluating parameters,including pre-salbutamol forced expired volume in one second(FEV1)/forced vital capacity (FVC) ratio,pre-salbutamol FEV1,percentage of post-salbutamol change in FEV1,residual capacity,diffusing capacity of the lung for carbon monoxide/alveolar volume adjusted for haemoglobin level,peak expiratory flow (PEF) variability,serum IgE level,cumulative tobacco cigarette consumption (pack-years) and respiratory symptoms (cough and expectoration).Subjects' different clinical phenotype by hierarchical cluster analysis and two-step cluster analysis was identified.Results (1) Four clusters were identified by hierarchical cluster analysis.Cluster 1 was chronic bronchitis in smokers with normal pulmonary function.Cluster 2 was chronic bronchitis or mild chronic obstructive pulmonary disease (COPD) patients with mild airflow limitation.Cluster 3 included COPD patients with heavy smoking,poor quality of life and severe airflow limitation.Cluster 4 recognized atopic patients with mild airflow limitation,elevated serum IgE and clinical features of asthma.Significant differences were revealed regarding pre-salbutamol FEV1/FVC%,pre-salbutamol FEV1% pred,postsalbutamol change in FEV1 %,maximal mid-expiratory flow curve (MMEF)% pred,carbon monoxide diffusing capacity per liter of alveolar(DLCO)/(VA)% pred,residual volume(RV)% pred,total serum IgE level,smoking history (pack-years),St.George' s respiratory questionnaire (SGRQ) score,acute exacerbation in the past one year,PEF variability and allergic dermatitis (P < 0.05).(2) Four clusters were also identified by two-step cluster analysis as followings,cluster 1,COPD patients with moderate to severe airflow limitation;cluster 2,asthma and COPD patients with heavy smoking,airflow limitation and increased airways reversibility;cluster 3,patients having less smoking and normal pulmonary function with wheezing but no chronic cough;cluster 4,chronic bronchitis patients with normal pulmonary function and chronic cough.Significant differences were revealed regarding gender distribution,respiratory symptoms,pre-salbutamol FEV1/FVC%,pre-salbutamol FEV1 % pred,post-salbutamol change in FEV1 %,MMEF% pred,DLCO/VA% pred,RV% pred,PEF variability,total serum IgE level,cumulative tobacco cigarette consumption (pack-years),and SGRQ score (P < 0.05).Conclusion By different cluster analyses,distinct clinical phenotypes of chronic airway diseases are identified.Thus,individualized treatments may guide doctors to provide based on different phenotypes.