Objective To explore the prevalence of dental fluorosis among children in an industrial area of aluminum electrolysis. Methods 2 156 8-12-year old children were selected in a certain industrial area of aluminum electrolysis for investigation of their prevalence of dental fluorosis and the contents of fluoride in urine. At the same time, the contents of fluoride in the environmental media were investigated also. Results The prevalence of dental fluorosis was 51.11% for children, the content of fluoride in urine samples of children was (1.44

Objective To evaluate the therapeutic effects of early intratympanic steroid of different concentrations and types combined with systemic steroid on severe idiopathic sudden sensorineurl hearing loss(ISSNHL).Methods We reviewed 95 patients with unilateral ISSNHL from January 2012 to June 2016 in the Department of Otolaryngology of the People's Hospital of Changshou and according to the steroid treatment methods,Patients were divided into systemic steroid therapy alone group(group A,30 cases),early intratympanic steroid of low concentration combined with systemic steroid group (group B,32 cases) and early intratympanic steroid of high concentration combined with systemic steroid group (group C,33 cases).Results Total effective rates of the group A,group B and group C were 46.67 ％,56.25 ％,78.79％.Group C was significantly higher than that of group A and group B(P＜0.05);the average pure tone threshold improvement was (46.67±9.32) in group C which was better than group A (20.53±8.83) and group B(25.19± 7.46),the differences were stastically significant (P＜0.01).Conclusion Severe ISSNHL should be treated by intratympanic steroid of high concentration combined with systemic steroid as early as possible in order to rescue the hearing,the efficacy of which is much better than other steroid treatments so far.

Adult ; Coal Mining ; Humans ; Male ; Pneumoconiosis ; classification ; diagnostic imaging ; Radiography ; Reference Standards

ve To understand the impacts of industrial fluoride-induced pollution on environment and human health. Methods The contents of fluorides in environmental media, such as air, soil, vegetables, weeds, branches and leaves in area around a certain chemical factory (polluted area) were monitored. The prevalance of dental fluorosis, the contents of fluorides in hair and nail were investigated among 87 individuals without history of exposure to industrial fluorides, living in polluted area for more than 5 years, and 132 individuals in control area. Results Higher fluoride levels in environmental medias, higher prevalance rates of dental fluorosis, high contents of fluorides in hair and nails of population were found in polluted area compared with those in control area. Conclusion The in-dustrial fluoride-induced pollution from this chemical factory had resulted in the hazardous impacts on environmental quality and human health.

Objective To investigate the safety,efficacy and effects of emergent percutaneous coronary intervention (PCI) in patients from Second Affiliated Hospital,Medical College,Zhejiang University with cardiogenic shock (CS) complicating acute myocardial infarction (AMI).Method Twenty-seven patients with CS complicating with AMI were treated by PCI with intraaortic balloon counterpulsation (IABP) support.The change of hemodynamics before and after IABP and PCI,the characteristics of PCI,the mortality during hospitalization, the major adverse cardiac events (MACE) and left ventricular ejection fraction at 30-day follow-up were observed.Results The hemodynamics were significantly improved after IABP.No patients died during PCI.Two patients died after PCI and the total mortality was 7.4% in hospital.During the period of 30-day follow-up, one patient died of heart failure.The left ventricular ejection fraction greatly improved at 30 days after PCI. Conclusions The data suggested that the use of IABP during PCI in patients with CS complicating AMI was safe, decreased mortality and improved prognosis.

Drug Resistance, Bacterial ; Female ; Humans ; Infant, Newborn ; Infant, Premature ; Infant, Premature, Diseases ; drug therapy ; Klebsiella Infections ; drug therapy ; Klebsiella pneumoniae ; enzymology ; Male ; Pneumonia, Ventilator-Associated ; prevention & control ; beta-Lactamases ; biosynthesis

Objective To observe the hemodynamic effects of open-loop target controlled infusion (OLTCI) and closed-loop target controlled infusion (CLTCI) of propofol and fentanyl for general anesthesia induction. Methods Twenty-four female patients with ASA grade I-II who were performed thyroidectomy were randomly allocated into two groups: OLTCI group and CLTCI group(n=12). In OLTCI group, anesthesia induction and maintenance were performed with propofol and fentanyl at the target concentrations of 3 ?g/mL and 3 ng/mL, respectively. In CLTCI group, double CLTCI were performed. Titrations of propofol and fentanyl were guided with bispectral index (BIS) and product of systolic pressure and heart rate (HR). Initiative concentrations of this closed-loop system were 3 ?g/mL and 3 ng/mL, step-up or step-down concentrations were 0.5 ?g/mL and 0.5 ng/mL, and the highest concentrations were 6 ?g/mL and 5 ng/mL, respectively. HR, mean arterial pressure (MAP), HR variability, BIS value and the dosages of propofol and fentanyl in various time of the two groups were recorded. Results One min after intubation and simulative incision stimulation, BIS value of both groups were increased, but the BIS value in CLTCI group was less increased than OLTCI group(P

Objective The changes of cytokine expression on a genomic scale in CD4 + cell of mice c hronically infected with Schistosoma japonicum and their roles in the pathog enesis of schistosomiasis were studied. Methods CD4 + cells were isolated from sp le ens of mice 13 wk infected with Schistosoma japonicum. We used the cDNA micr oarr ay technique to explore the cytokine gene expression profile of CD4 + cells f ro m normal and chronic infected mice. Three-color flow cytometry was performed to study intracellular protein levels of IFN-?、IL-4 of CD4 + cell. Results In the CD4 + cell of chronically infected mice, IL-4 was remarkably increase d at both transcription and protein expression levels (P

Child ; Child, Preschool ; Female ; Humans ; Infant ; Infant, Newborn ; Male ; Prognosis ; Staphylococcal Scalded Skin Syndrome ; diagnosis ; drug therapy

The extraction method and structure of exo-polysoccharide from schizophyllum commune by submerged cultivation were studied. Proteins were removed com p letely from the polysoccharide by the sevag method following the isoelectric poi nt precipitation method. The purified schizophyllan was proved to be homogeneou s with molecular weight 4?10 4D by sephadex G-200 column chromatography, PAGE and HPLC. Its monomer was determined by hydrolysis, PC, GC and its structure wa s analyzed by IR, enzymolysis, periodate oxidation, the results showed that schi zophyllan was only composed of glucose and it was the ?-glucan consisting of ?-(1-3) and ?-(1-6) glucosidic linkages.