OBJECTIVE To analyze the pathogenic distribution and antimicrobial resistance in respiratory ward and provide the rational information to use antibiotics reasonably. METHODS All pathogens isolated from patients in a respiratory ward from 2005 to 2007 and drug susceptibility results were retrospectively analyzed. RESULTS Totally 264 strains of pathogenic bacteria were isolated,in which 68 strains of Gram-positive bacteria,165 strains of Gram-negative bacteria and 31 strains of fungi.MRSA prevalence was 77.1% and showed a trend of increase.No vancomycin-resistant Staphylococcus aureus or Enterococcus was detected.The resistance rate of Streptoccocus pneumoniae to penicillin,erythromycin and levofloxacin was 44.4-66.7%.Enterobacter and Acinetobacter baumannii showed stable susceptibility to imipenem.Pseudomonas aeruginosa strains were relatively susceptible to cefoperazone /sulbactam,amikacin,gentamicin,piperacillin/tazobactam,ceftazidine,cefepime,cefoperazone and imipenem. CONCLUSIONS The changes in pathogens and antibiotic resistance in the respiratory ward are consistent with the surveillance data in this country,Gram-negative bacteria are still the most common pathogens and the serious degree of bacterial drug resistance is increasing.Our data are useful for the guidance of rational use of antibiotics.

Objective To investigate the technique and instrument improvement of laparoscopic choledocholithotomy with T-tube drainage. Methods A total of 42 cases of gall stones complicated with common bile duct stones entered the study. During the operation, we exposed the common bile duct before the removal of the gall bladder, opened the common bile duct by a self-made bile duct scalpel, removed the stones by open instruments laparoscopically, and performed choledochofiberscopic examinations and T-tube drainages. Results All the 42 operations were successfully accomplished without the conversion to open surgery. The operation time (exclusive of that of LC) was 80～180 min (mean, 96 min). All the patients got out of bed and received liquids within 24 hours after the surgery. The postoperative hospital stay was 5～9 days (mean, 6 days). The T-tube was removed 3 weeks after the operation in the absence of residual stones or stenosis of bile duct under T-tube choledochography. Follow-up for 6～48 months (mean, 23 months) in 38 cases found no recurrence of stones or biliary tract symptoms. Conclusions The modified laparoscopic choledocholithotomy with T-tube drainage, which shortens the operation time, is an effective and safe method for the treatment of common bile duct stones.

Objective To explore drug resistance and distribution of multidrug-resistant(MDR)Mycobacterium tuberculosis (M.tuberculosis)in a county-level hospital,so as to strengthen the prevention and control of health-care-associated infection with M.tuberculosis .Methods Specimens with positive sputum smear were performed M. tuberculosis culture and drug resistance testing,and distribution of MDR tuberculosis patients in the departments before isolation were investigated retrospectively.Results Of 488 patients with tuberculosis,254 were positive for sputum smear,122 M.tuberculosis strains were isolated from positive sputum smear patients,120 isolates were per-formed drug susceptibility testing,results revealed that 86 isolates were drug-resistant strains,46 of which were monodrug-resistant,40 were MDR.Of MDR strains,16 were all resistant to isoniazide,rifampicin,streptomycin, and ethambutol.The percentage of monodrug-resistance,MDR,pandrug resistance was 9.43%,8.20%,and 3.28% respectively.Medical imaging department,ultrasound department,and respiratory disease department were the main units of M.tuberculosis exposure.Conclusion The percentage of MDR M.tuberculosis is high among M. tuberculosis ,surveillance should be intensified,so as to prevent the transmission in hospital.

This thesis analyzed the inevitability of medical negligence according to the nature of medical behavior,particularity of medical profession and psychological factors of medical staff.How to control the occurrence of medical errors is an important social problem which is the whole community has been looking forward to solve.This thesis proposed methods to reduce medical negligence from the aspects of service concept,medical education and healthy psychology.

OBJECTIVE To analyze the pathogenic distribution and antimicrobial resistance in our hospital in 2006 and provide the rational information to use antibiotics reasonably.METHODS Flora cultivation and isolation were operated with the methods described by the National Clinical Laboratory Operational Regulations.Flora was identified with the VITEK32 automatic identifier,and bacteria-susceptibility test was operated with Kirby-Bauer method.RESULTS Totally 967 strains of pathogenic bacteria were isolated;they comprised 326 strains of Gram-positive bacteria,541 strains of Gram-negative bacteria and 100 strains of fungi.The main Gram-positive microorganisms included Staphylococcus aureus and Enterococcus faecalis,et al.The main Gram-negative microorganisms included Escherichia coli,Klebsiella pneumoniae,Acinetobacter baumannii,Stenotrophomonas maltophilia and Pseudomonas aerugiinosa,et al.Specimen samples mainly isolated from sputum(43.85%),urine(22.34%),and secretion(10.03%).G+ microorganisms were sensitive to nitrofurantoin and vancomycin.G-microorganisms except A.baumannii and S.maltophilia were sensitive to cefoxitin,piperacillin/tazobactam,imipenem,and amikacin;the average resistant rates of A.baumannii and S.maltophilia to antibiotics were 68.20% and 64.43%,respectively.CONCLUSIONS The severe degree of bacterial multi-drug resistance is increasing,it is urgent to carry out surveillance of bacterial resistance for reasonabe use of antibiotics and decreasing the morbidity rate and the fatality rate.

In the present study, stereological analysing methods were used to measure the nucleus, cytoplasm and secretive granules of mast cells in connective tissue and mucosa. It was found that there existed significant difference between them in nucleus/cytoplasm ratio, volume density, size and sphericity of granules. These quantitative results might be served as the main morphological parameters of distinguishing the two types of mast cells.

ObjectiveTo investigate the clinical efficacy of Zisheng pills in the treatment of adverse reactions in patients with primary hepatocellular carcinoma (HCC) after transcatheter arterial chemoembolization (TACE). MethodsThis study included 72 patients with liver cancer hospitalized in the Department of Liver Diseases and Department of Oncology, Wenzhou Hospital of Traditional Chinese Medicine, from June 2011 to May 2014. These cases were randomly divided into treatment group (n=37) and control group (n=35). All the patients were treated with TACE, as well as conventional symptomatic and supportive treatment. In addition, the treatment group was given Zisheng pills (one bag) three times a day for at least three consecutive months. Comparison of categorical data was made by chi-square test, while comparison of continuous data (expressed as mean±SD) was made by t test. Survival comparison was made by Kaplan-Meier method and log-rank test. ResultsAfter the first TACE, there were significant differences in poor appetite and abdominal distension between the treatment group and the control group (P＜0.05); significant differences were also observed in CD3+ and CD4+ T lymphocytes between the two groups (P＜0.05). After the second TACE, there were significant differences in postoperative fatigue, poor appetite, and abdominal distension, as well as postoperative Karnofsky score, between the treatment group and the control group (P＜0.05); significant differences were also found in CD3+, CD4+, and CD8+ T lymphocytes and CD4+/CD8+ ratio between the two groups (P＜0.05). The median survival time showed no significant differences between the treatment group and the control group (82 vs 74 weeks, P＞0.05), but the 2-year overall survival rate was significantly higher in the treatment group than in the control group (43.2% vs 20%, P＜0.05). ConclusionZisheng pills have good clinical efficacy in the treatment of adverse reactions in liver cancer patients after TACE, and it can improve the symptoms and quality of life, regulate peripheral blood T lymphocyte subsets, and increase the 2-year overall survival rate.

ObjectiveTo explore the clinical outcomes of posterior lumbar interbody fusion using BTwin expandable spinal spacer with microendoscopic discectomy (MED) for lumbar disc herniation accompanying degenerative instability.MethodsFrom March 2006 to May 2010,87 patients with lumbar disc heniation (only one level) accompanying degenerative instability were managed with posterior lumbar interbody fusion using B-Twin with MED,includeing 49 males and 38 females with an average of 47.6 years(range,37-65).Objective level located in L3,4 in 2 cases,L4,5 in 43,and L5S1 in 41.The patients were treated with single BTwin(Single group,n=51) and double B-Twin(Double group,n=36).Clinical outcomes were evaluated with surgical time,blood loss,visual analogue scale (VAS) scores,Oswestry disability questionnaire (ODI),and the pre- and post-operative disk space heights.ResultsThe patients were followed up for an average of 35.8months (range,12-46).All the patients felt the low back pain and radiation pain disappeared or relieved apparently.The mean preoperative ODI and VAS scores decreased from 78％±3％ to 18％±3％,and (8.70±11.3)to (0.65±10.48) at the final follow-up respectively.Disc space increased from a pre-operative height of (8.76±1.3) mm to a post-operative of (11.8±0.6) mm.ODI,VAS and the disk space heights in all patient showed statistical significance,which revealed no statistical significance between the two groups.However,the operation time,blood loss were statistical difference between the two groups.All the patients achieved solid union or probable union at a mean time of 5.6 months (range,3.9-8.6).ConclusionPosterior lumbar interbody fusion using B-Twin with MED can obtain satisfactory outcomes in the treatment of lumbar disc herniation accompanying degenerative instability.Single B-Twin can get similar clinical outcomes,but shorter surgical time,less blood loss,and less medical costs.

ObjectiveTo investigate the relation of obesity parameters,including body mass index (BMI),waist-to-height ratio(WHR),waist circumference,and waist-to-hip ratio(WHR),with hypertension in adolescents.MethodsA cross-section study was conducted among 3953 adolescents aged 12 to 18 years old,who were assigned to the normal blood pressure group (3724) or hypertension group(229).Measurements were height,weight,waist circumference,systolic blood pressure (SBP),and diastolic blood pressure (DBP).ResultsThe data showed that mean BMI,WHR,waist circumference,WHR,SBP,and DBP in the hypertension group Was significantly higher than those in the normal blood pressure group(all P<0.05).In partial correlation analysis,BMI,WHR,waist circumference,and WHR were positively correlated with both SBP and DBP after gender or age were adjusted(r'=0.3228 and 0.2358,both P<0.05).For alias under the receiver operating curve(ROC),the BMI was obserred to strongly predict hypertension in male (0.715;95%CI0.659-0.771)and female (0.702;95%CI0.646-0.757).BMI was also entered into the multiple linear regression modeL ConclusionBMI could be an effective predictive factor of hypertension in adolescents.

Objective To investigate the effects of the interaction between human hepatoma cells and hepatic stellate cells on their growth state,and study its role of interaction on the progression of hepatocellular carcinoma.Methods Human hepatoma cell line HepG2 and hepatic stellate cell line hepatic stallate cells (HSC)-T6 were used and the methods including methyl thiazolyl tetrazolium (MTT) assay,flow cytometry (FCM) analysis,immunohistochemistry,and electron microscopy were employed in this experiment.The effects of conditioned medium (CM) of HepG2 on the activation and proliferation of HSC were explored.The effects of activated HSC CM on HepG2 proliferation were investigated.The uhrastructural changes of the two co-cultured cells were observed.Results MTT assay result showed that HepG2/HSC CM could promote HSC/HepG2 proliferation.FCM result demonstrated that HepG2/HSC CM could influence the cell cycle distribution in HSC/HepG2.Immunohistochemistry exhibited that after the treatment of HepG2/HSC CM,the expression ofα-smooth muscle actin (α-SMA) in HSC and proliferating cell nuclear antigen (PCNA) in HepG2 were increased.When HepG2 and HSC were co-cultured,the ultrastructure of HSC displayed an activated feature.Conclusions HepG2 cells can induce the activation and proliferation of HSC,and the activated HSC can also stimulate the proliferation of HepG2.Interaction between hepatoma cells and hepatic stellate cells may play an important role in the progression of hepatocellular carcinoma.