Objective To study the influence of ammoniummeta vanadate on the histological structure of jejunum of rats. Methods One hundred and twelve healthy and clean SD rats were randomly divided into the high dosage (60 mg/L),the moderate dosage(40 mg/L),the low dosage(20 mg/L) and the control group(distilled water),28 in each group,the males and females in the same number,the administration was conducted through drinking water,for 8 consecutive weeks. In the 4th and 8th weeks,the length of jejunum villus,the depth of jejunum gland and the thickness of jejunum wall were measured,the ratio of villus length and gland depth were counted and the pathological examination was done. Results With the increase of ammoniummeta vanadate,the weight of SD rats,the jejunum villus length,the depth of the jejunum gland,the wall thickness had showed a downward trend,the ratio of villus length and gland depth were significantly lower (P

Objective To discuss the feasibility on reducing the postoperative pulmonary complications ( PPC) incidence after thoracot-omy on chronic obstructive pulmonary disease ( COPD) though application of incentive spirometry ( IS) . Methods 62 patients with COPD concurrent thoracotomy were divided into control group and observation group,the control group was given routine nebulization,expectoration and other physical treatment;the observation group were given IS besides the conventional treatment. The incidence of PPC,prognosis,and the changes on pulmonary function were compared between these two groups. Results The incidence of PPC and mortality of observation group were significantly lower than those of control group,and the inspiratory capacity( IC) from 3~5 days was significantly higher than that of con-trol group. Conclusion Application of IS can reduce the PPC incidence after thoracotomy on COPD patients,and promote the recovery of pulmonary function.

Objective To understand the effect of vanadium to liver ultramicro structure in SD rats.Methods One hundred and fifty generaMevel SD rats of 2 months were randomly divided into control groups,30 in each,the males and females were equivalent,treated with ammonium metavanadate at doses of 0,10,20,40,60 mg/L through drinking water.After 2,6 and 10 weeks of treatment,6 rats from each group were weighed and the changes of ultramicro-structure in the liver were examined with electron microscope.Results As the increasing of dose,the increase in body weight showed a downward trend,but the coefficient of liver showed a increasing trend,the consistent performance was seen in male and female rat.After two weeks of exposure,the rats acted,ate and drank less,hair roughing and no shining,often getting together were seen.After 10 weeks,the rats had not the basic activities,the hair was disheveled and loose,some died,the structure of mitochondria and endoplasmic reticulum was normal in the 10,20,40 mg/L group,the number of endoplasmic reticulum increased,in 60 mg/L group,the rough endoplasmic reticulum vanished,the liver cytoplasm had a swelling phenomenon,the mitochondria reduced.Conclusion Vanadium have little effect on the liver cells of rats in low exposure level,but high level exposure may damage the liver cells in rats.

To analyze the data of 284 smoking patients visiting the clinic during January 2009 to December 2011.There were 273 males and 11 females with a mean age of 49 years and an average length of 26 years of smoking 24 cigarettes per day.The average volume fraction of exhaled carbon monoxide was 16 × 10-6.The average score of Fagerstrom test of nicotine dependence (FTND) was 5.The importance,confidence and preparation of quitting smoking were graded at an average of 8.5,6.7 and 7.6 respectively.Abstinence rate was 66.1％ at 1 month and 50.9％ at 3 months.A particular focus was placed upon those smokers with more serious nicotine dependence and longer smoking years.They knew much about the importance of smoking cessation,but there was a lack of confidence.Smoking cessation improves abstinence rate via behavioral counseling,psychotherapy and medication.We should strengthen publicity of smoking cessation and smoking cessation clinic to attract more patients with heightened confidence through treatment.

ObjectiveTo evaluate the effect of psychological and behavioral intervention combined with varenicline smoking cessation clinics and to analyze predictors of successful quitting.Methods Subjects were collected from quitters who went to receive consultation and intervention in “smoking and related diseases” clinic at Zhongshan Hospital,Fudan University from March 2009 to September 2010.Eligible subjects were screened and divided into strengthen follow-up group and control group.The 4 weeks continuous abstinence rate from week 9 through week 12 were observed logistic regression model and used to analyze the predictors of successful quitting.Results Subjects who are addicted to nicotine received strengthening psychological and behavioral intervention combined with varenicline in smoking cessation clinics.The total continuous cessation rate during the 9th-12th week was 52.3％,with 60.9％ (28/46) and 46.2％ (30/65) of strengthen follow-up group and control group respectively.The most frequent adverse effects were nausea 39.6％ (44/111),insomnia and abnormal dreams 17.1％ ( 19/111 ).Adverse effects were tolerable and withdraw symptoms were few.Preparation and medication time can be used as predictors of successful quitting.Conclusion The quit rate of varenicline therapy combining with strengthen intervention is high and strengthening psychological and behavioral intervention could increase the success rate more obviously,which is a good choice for cessation therapy in smoking cessation clinics.Better preparation and regular adequate treatment can improve quit rate.

Objective To investigate the clinical characteristics of aerophagia in children,and to evaluate the effect of 24 hours esophageal multichannel intraluminal impedance monitoring in diagnosis of aerophagia.Methods The clinical data of 30 children with aerophagia hospitalized in Department of Digestive Disease,Nanjing Children's Hospital Affiliated to Nanjing Medical University from July 2005 to June 2013 were reviewed.The 24 hours esophageal multichannel intraluminal impedance monitoring was performed in 8 cases of aerophagia.The treatment of these patients normally included psychological counseling,dietary adjustment,Iactulose,Domperidone and vitamins,while Simethicone was given to the patients if normal treatment was invalid.Results Of the 30 patients,aged 2 to 13 years,averaged (8.6 ± 4.5) years,the chief complaints were abdominal distention in 30 cases (100.00％),visible or audible air swallowing in 28 cases (93.33％),repetitive belching in 27 cases (90.00％),reduced appetite in 25 cases (83.33％),constipation in 22 cases (73.33％),psychological stresses in 15 cases (50.00％),recurrent abdominal pain syndrome in 10 cases(33.33％),chronic diarrhea in 3 cases(10.00％) and acute abdominal pain in 3 cases(10.00％).Among the 30 patients,24 hours esophageal multichannel intraluminal impedance monitoring was performed in 8 cases,averaging 149.63 (47-553)times of air swallowing were recorded.In the 30 patients,24 cases (80.00％) were relieved after being treated with psychological counseling,dietary adjustment,lactulose,domperidone and vitamins,and only 6 cases(20.00％) were invalid for normal treatment but well responeded to Simethicone.Conclusions Aerophagia is a kind of functional gastrointestinal disorders in children.Abdominal distention,air swallowing,repetitive belching,reduced appetite,constipation and pain are common symptoms.It can be cured through psychological counseling management,diet modification,laxatives,propulsives and vitamins.24 hours esophageal multichannel intraluminal impedance monitoring is a useful technology in the diagnosis of aerophagia children.

0.05).But the amount of adhered bacteria of surface-polished with titanium alloy is greater than that of surface-polished with zirconia ceramics(P

OBJECTIVE To examine the feasibility of PCR amplification of 16S-23S rDNA intergenic spacer regions of bacteria in trauma infection by a pair of universal primers for gene diagnosis.METHODS The universal primers were designed at conserved regions of the 3' end of 16S rDNA and the 5' end of 23S rDNA.Bacterial genomic DNA from selected five commom bacteria in trauma infection were amplified by PCR.PCR products were examined using electrophoresis in agarose gel,and futher analyzed by sequencing.RESULTS The PCR products were similar to that we expected on the gel,which were confirmed by the results of sequencing and alignment.CONCLUSIONS Using the universal primers,16S-23S rDNA intergenic spacer regions of bacteria in trauma infection could be amplified by PCR,which lays a solid foundation for gene diagnosis in farther studies.

Objective To observe the formation of Staphylococcus aureus biofilm and the inhibitory and dispersive effects of betaine on the biofilm.Methods The inhibitory and dispersive effects of 0.1％ betaine on the biofilm from 20 strains of Staphylococcus aureus were examined by crystal violet assay.Results All the 20 strains of Staphylococcus aureus formed biofilm.The biofilm of methicillinsensitive Staphylococcus aureus (MSSA) was formed in 24 hours with peak value of absorbance (A590 nm) (1.99 ± 0.53).The biofilm of methicillin-resistant Staphylococcus atureus(MRSA) was formed in 48 hours with peak value of absorbance(A590 nm) (1.13 ±0.47).After adding betaine,the absorbance(A590 nm) of MSSA biofilm fell down to(1.74 ± 0.61) in 24 hours,while the absorbance(A590 nm) of MRSA biofilm fell down to(0.40 ± 0.12) in 48 hours,which was significantly reduced compared with the controls (t =2.43,5.84,P ＜ 0.05 respectively).When adding betaine after the biofilm formed,the absorbancies (A590 nm) of both MSSA and MRSA showed no significant difference compared with the controls (P ＞ 0.05).Conclusion Betaine could inhibit biofilm formation of Staphylococcus aureus at concentration of 0.1％,but it could not disperse the mature biofilm of Staphylococcus aureus.

Objective To investigate the effects of betaine on the formation and dispersion of biofilm of Pseudomonas aeruginosa and its drug-resistance.Methods A total of 20 strains of Pseudomonas aeruginosa were obtained from clinical inpatients.The biofilm formation abilities of the Pseudomonas aeruginosa were evaluated by violet staining,and the effects of betaine on the formation and dispersion of biofilm were studied.The minimum inhibitory concentration (MIC) values of Pseudomonas aeruginosa on ciprofloxacin were compared with the controls when biofilm was formed and inhibited.Results Biofilm was formed in all the 20 strains of Pseudomonas aeruginosa in 24 hours with absorbance (A590 nm) (1.90 ± 0.66).Betaine significantly inhibited biofilm formation of Pseudomonasaeruginosa in 24 hours compared with control group(t =4.36,P ＜ 0.01) and the maximum inhibition reached in 48 hours with absorbance(A590 nm) (1.12 ±0.60).The maximum dispersion of betaine on mature biofilm of Pseudomonas aeruginosa reached in 24 hours.The MIC range of ciprofloxacin to the 20 strains of Pseudomonas aeruginosa was 0.03 to 4 μg/mL with 0.25 μg/mL of MIC50 and 2 μg/mL of MIC90.After the biofilm was inhibited by belaine,the MIC of ciprofloxacin to Pseudomonas aeruginosa did not changed.The MIC of ciprofloxacin to biofilm-formed Pseudomonas aeruginosa was more than 16 μg/mL.Conclusion Betaine could effectively inhibit the formation of biofilm and disperse the mature biofilm of Pseudomonas aeruginosa,which may provide more choices for the treatment of clinical infection.The germicidal efficacy of ciprofloxacin has no changed on the biofilm-formed bacteria when inhibition of betaine was involved.