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Females and medical students had more related knowledge than males and non-medical students(P=0.035,P=0.021).Of all the university students,65.7% were willing to be vaccinated against HPV.The high cost of vaccination(50.8%),worry about the side effects adverse reaction(46.3%),and lack of sexual life(43.4%)were the main reasons for the reluctance to be vaccinated.Gender,education background of parents,history of self-financed vaccination,attitude towards premarital sexual behavior,history of sexual behavior,and knowledge of HPV were the influencing factors of vaccination willingness. Conclusions The freshmen had a low rate of HPV vaccination and limited detailed knowledge about HPV and its vaccines.Health education campaign is urgently called for among university students regarding HPV infection as well as the safety,effectiveness,and side effects of HPV vaccines.More attention should be paid to the health education of male and non-medical students.Objective To obtain the metabolome profiles in liver and serum of mice during normal aging. Methods The liver and serum samples of ten 2-month-old mice and ten 18-month-old C57BL/6J mice under physiological conditions were collected.Metabolites were identified and quantified by liquid chromatography-tandem mass spectrometry.The overall assessment,differential screening,and functional analysis were performed with the filtered high-quality data. Results In the negative-ion mode and positive-ion mode,242 and 399 metabolites were identified in the liver and 265 and 230 in serum,respectively.The difference of metabolome between young and old mice was moderate.The upregulated metabolites identified in aging liver were related to the metabolism of riboflavin,glucose,and arachidonic acid,while the downregulated ones were associated with the metabolism of pyrimidine,purine,glycerophospholipid,glutathione,and nicotinamide.Altered metabolites in serum during aging were involved in a variety of nucleic acid metabolism-related pathways,such as pyrimidine metabolism,purine metabolism,one carbon pool by folate,and amino sugar and nucleotide sugar metabolism. Conclusions The metabolome profiles of mouse liver and serum both revealed dysregulated nucleic acid metabolism pathways during normal aging.This study provides metabolome data for further research on aging-associated mechanism and may support the discovery of intervention methods for aging.Objective To explore the factors related to tympanic membrane perforation in children with acute suppurative otitis media,and to provide reference for clinical practice. Methods We reviewed the clinical data of 1274 children with acute suppurative otitis media from February 2017 to May 2020,and analyzed the factors related to tympanic membrane perforation. Results Tympanic membrane perforation occurred in 67 out of the 1274 children with acute suppurative otitis media,with the incidence of 5.27%.The univariate analysis showed that 11 factors including the duration of onset(t=2.381,P=0.017),upper respiratory tract infection(χ2=12.228,P=0.000),pulmonary infection(χ2=5.242, P=0.022),chronic sinusitis(χ2=12.715,P=0.000),adenoid hypertrophy(χ2=4.783,P=0.029),tympanic empyema(χ2=16.020,P=0.000),the duration of using antibiotics(t=-2.277,P=0.025),combined use of antibiotics(χ2=5.587,P=0.018),the time from onset to selection of antibiotics according to drug sensitivity(t=3.716,P=0.000),procalcitonin(t=2.599,P=0.009), results.Objective To quantitatively evaluate the associations of PM2.5,PM10,NO2,and SO2 concentrations with the outpatient visits for atopic dermatitis in Lanzhou. Methods The data of outpatient visits,together with meteorological data and air pollutant data,from January 2013 to December 2017 were collected.The generalized additive model based on Poisson distribution was employed to study the lag effects of PM2.5,PM10,NO2,and SO2 concentrations on the visits of outpatients,with the seasonal and long-term trends and day-of-the-week effect controlled. Results The results of the single pollutant model showed that PM2.5 and PM10 had the most obvious while still insignificant impact on the outpatient visits for atopic dermatitis on the current day(lag0).NO2 also had the most obvious impact in the case of lag0 and showed a lag effect.For each 10 μg/m3 increase in NO2 concentration,the excess risk(ER)of outpatient visits for atopic dermatitis was 1.95%(95% CI=1.09%-2.82%,P=0.01).SO2 had the most significant effect on lag6,athe outpatient visits in winter.The interactions between PM2.5 and NO2,between PM10 and NO2,and between SO2 and NO2 affected the total outpatient visits for atopic dermatitis.The results of double pollutant model showed that in the presence of PM2.5,PM10,or SO2,the effect of NO2 on the outpatient visits for atopic dermatitis enhanced compared with that predicted by single pollutant model(P=0.01). Conclusion The air pollutants(PM2.5,PM10,NO2,and SO2)in Lanzhou were closely related to the outpatient visits for atopic dermatitis,and the increased concentrations of NO2 and SO2 was more likely to increase the risk of atopic dermatitis.Objective To understand the current situation and predict the trends in number and composition of prenatal ultrasound screening staff in Beijing. Methods We analyzed the region,age,professional title and other characteristics of prenatal ultrasound screening personnel in Beijing during 2007-2015.We then built an ARIMA model basing on the current situation to predict the number and composition of the staff in 2016-2020. Results The number of prenatal ultrasound screening staff showed an upward trend in 2007-2020 and was predicted to reach 1269 in 2020.During this period,the educational achievement and professional title of the staff showed a downward trend,and the working years became shorter,mainly below 5 years.The proportion of resident doctors remained at 26.6%,and that of the staff receiving further education would reach 43.2% by the end of 2020. Conclusion The prediction under ARIMA model suggests that efforts should be made to strengthen the training of young doctors and provide them opportunities for further study.Objective To explore the feasibility of preheating in 41 ℃ water bath for 30 minutes to correct the red blood cell parameters in the specimens containing high-titer cold agglutinins(CAs). Methods Two specimens containing high-titer CAs were selected during work,and the parameters of complete blood count at room temperature or after preheating in 37 ℃ or 41 ℃ water bath were compared.The smears were stained,and the distribution of red blood cells was observed with a microscope.Further,74 specimens without CAs were collected for complete blood count,and then the test results at room temperature and after preheating at 41 ℃ were compared. Results At room temperature,the specimens containing high-titer CAs showed significantly reduced red blood cell count(RBC)and hematocrit(HCT),abnormally increased mean corpuscular hemoglobin(MCH)and mean cell hemoglobin concentration(MCHC),abnormal percents of hemoglobin(HGB)and RBC,and aggregation of a large number of red blood cells.After being preheated at 37 ℃ for a certain time,the specimens demonstrated obviously improved parameters while still aggregation of a small number of red blood cells.After being preheated at 41 ℃ for 30 minutes,the specimens showed significantly increased RBC,normal HCT,MCH,and MCHC,and evenly distributed red blood cells.The 74 specimens without CAs showed the comparability was ≥80% between room temperature and preheating at 41 ℃ for 30 minutes or 60 minutes. [https://www.selleckchem.com/products/telotristat-etiprate-lx-1606-hippurate.html Telotristat Etiprate] Conclusion We can preheat the specimens containing high-titer CAs in a water bath at 41 ℃ to obtain accurate red blood cell parameters.Objective To investigate the effects of osthole on the proliferation,apoptosis,and autophagy of human tongue cancer Tca8113 cells and explore its possible mechanism of action. Methods Tca8113 cells were cultured in vitro and divided into a control group without drugs and the experimental groups with 40,80,120,and 160 μmol/L osthole.The inhibitory effect of osthole on the proliferation of Tca8113 cells was detected by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay and colony formation assay.Hoechst33342 staining method and annexin V-FITC/propidium iodide method were employed to detect the effect of osthole on the apoptosis of Tca8113 cells within 24 hours.Western blot was performed to detect the expression of apoptosis-related proteins(Bcl-2,Bax,and cleaved caspase-3)and autophagy-related proteins(LC3 and p62)in Tca8113 cells exposed to osthole. Results Osthole significantly inhibited the proliferation and induced the apoptosis of Tca8113 cells in a concentration-dependent manner,and it reduced the cell colony formation.Western blot results showed that osthole could up-regulate the expression of Bax and cleaved caspase-3 and down-regulate that of Bcl-2.At the same time,it increased the expression of LC3Ⅱ and P62 and reduced that of LC3Ⅰ. Conclusion Osthole may inhibit the proliferation of Tca8113 cells by promoting cell apoptosis and blocking autophagy flow to inhibit autophagy.<br /><br /> The usefulness of ultra-fast track cardiac anaesthesia may give great benefits to patients; however, its usefulness has not been completely evaluated in infants and toddlers, who are generally considered the most difficult group for ultra-fast track cardiac anaesthesia.<br /><br /> A total of 130 children were allocated randomly into to a ultra-fast track cardiac anaesthesia group (Group D) or a conventional anaesthesia group (Group C) (each n = 65). In Group D, dexmedetomidine was administrated at a dosage of 1 µg/kg/hour after induction. The patient- controlled intravenous analgesia was dexmedetomidine and sufentanil. In Group C, patients were infused with of the same volume of normal saline, and sufentanil alone for patient-controlled intravenous analgesia. The dosages of sufentanil, extubation time, haemodynamic parameters, postoperative hospitalisation conditions, pain and sedation scores, blood gas analysis, and inotropic scores were all recorded.<br /><br /> The dosage of sufentanil (1.49 ± 0.05 vs. 3.81 ± 0.04 µg, p &lt; 0.001) and extubation time (2.63 ± 0.52 vs. 436.60 ± 22.19 minutes, p &lt; 0.001) in Group D were all significantly lower than those in Group C. Moreover, cardiac intensive care unit stay time, total hospital stay, hospitalisation costs, postoperative lactate levels, and inotropic scores were also significantly lower in Group D.<br /><br /> Using of ultra-fast track cardiac anaesthesia in infants and toddlers is effective, it not only reduce the perioperative requirement for opioids and shorten the extubation time but also decreases the inotrope requirement and provide a better postoperative condition for young children.<br /><br />Using of ultra-fast track cardiac anaesthesia in infants and toddlers is effective, it not only reduce the perioperative requirement for opioids and shorten the extubation time but also decreases the inotrope requirement and provide a better postoperative condition for young children.Chiari network is an infrequently visualized web-like structure in the right atrium that is usually thin and small. Rarely, it can be prominent and elongated with protrusion into the right ventricle during diastole and complications have been reported. Thirty-eight patients (median age 2.5 years) with prolapsing Chiari network were identified and associated cardiac abnormalities documented. Echocardiographic right and left heart parameters were measured and compared to normative data. link2 At presentation, the extent of Chiari network prolapse below the tricuspid annulus was 9.1 ± 3.5 mm (mean ± standard deviation), mean pulmonary valve annulus diameter z-value was reduced (-0.91 ± 0.64), and mean aortic valve z-value was enlarged (+0.97 ± 0.87). Fourteen patients exhibited no other cardiac abnormality. link3 Eight were noted to have atrial septal defects, eight demonstrated supraventricular dysrhythmias, six had mild to moderate tricuspid valve regurgitation, and one patient each had an atrial septal aneurysm, severe pulmonic valve stenosis, small perimembranous ventricular septal defect, bicuspid aortic valve, and mild right upper pulmonary vein stenosis.