Objective To evaluate the prevalence,awareness,treatment and control rate of hypertension among elder population in China.Methods Data form a cross-sectional stratified multistage random sampling survey conducted from...Objective To evaluate the prevalence,awareness,treatment and control rate of hypertension among elder population in China.Methods Data form a cross-sectional stratified multistage random sampling survey conducted from 2012 to 2015 were used to analyzed.Finally,a total of 134,397 participants aged≥60 years were enrolled in our study.Hypertension was defined as systolic BP≥140 mmHg,and/or diastolic BP≥90 mmHg,and/or use of antihypertensive medicine within 2 weeks.Among participants with hypertension,control rate of hypertension was defined as the participant presenting as hypertensive,but with a systolic BP measure less than 140 mm Hg and diastolic BP measure less than 90 mm Hg.展开更多
Objective To investigate the prevalence of hypertension overweight/obesity and the combined effect on the incidence of cardiovascular disease(CVD).Methods The study population(aged from 35 to 64)were selected from 9 r...Objective To investigate the prevalence of hypertension overweight/obesity and the combined effect on the incidence of cardiovascular disease(CVD).Methods The study population(aged from 35 to 64)were selected from 9 regions of China by cluster sampling method.The baseline was conducted in 2010,and the follow-up survey was done in 2017.Participants with 24≤BMI28 kg/m^2 was defined as overweight,BMI≥28 kg/m^2 was defined as obesity.展开更多
Polycarboxylic acids(PACs)are important metabolic products in almost all living bodies,yet current analytical methods for detection of PACs in tea beverages are still unsatisfactory due to the complex matrix and physi...Polycarboxylic acids(PACs)are important metabolic products in almost all living bodies,yet current analytical methods for detection of PACs in tea beverages are still unsatisfactory due to the complex matrix and physicochemical properties of PACs.In this work,a rapid method was developed for the simultaneous determination of 7 PACs,including tartaric acid,α-ketoglutaric acid,malic acid,malonic acid,cis-aconitic acid,succinic acid,and fumaric acid,in beverages,based on selective removal of the matrix in combination with liquid chromatography–mass spectrometry(LC-MS)analysis.By stirring with activated carbon and the Na2CO3 solution,the matrix in beverages was selectively removed,and PACs were almost retained in the supernatant of diluted Na2CO3 solution.Under optimized parameters,the limit of quantitation for the PACs was in the range of 1–50 ng/mL,and the content of the PACs in 8 beverages was determined with the recovery range of 72.2%–122.5%.The contents of malic acid,malonic acid,and succinic acid in tea beverages were found to be greater than those in non-tea beverages.Moreover,the concentration of these PACs in beverages was found to be multiplied many times in their deterioration period,especially for fumaric acid andα-ketoglutaric acid.These results indicated that PACs can be selected as a criterion to differentiate qualified tea beverages from spoiled beverages.展开更多
文摘Objective To evaluate the prevalence,awareness,treatment and control rate of hypertension among elder population in China.Methods Data form a cross-sectional stratified multistage random sampling survey conducted from 2012 to 2015 were used to analyzed.Finally,a total of 134,397 participants aged≥60 years were enrolled in our study.Hypertension was defined as systolic BP≥140 mmHg,and/or diastolic BP≥90 mmHg,and/or use of antihypertensive medicine within 2 weeks.Among participants with hypertension,control rate of hypertension was defined as the participant presenting as hypertensive,but with a systolic BP measure less than 140 mm Hg and diastolic BP measure less than 90 mm Hg.
文摘Objective To investigate the prevalence of hypertension overweight/obesity and the combined effect on the incidence of cardiovascular disease(CVD).Methods The study population(aged from 35 to 64)were selected from 9 regions of China by cluster sampling method.The baseline was conducted in 2010,and the follow-up survey was done in 2017.Participants with 24≤BMI28 kg/m^2 was defined as overweight,BMI≥28 kg/m^2 was defined as obesity.
基金the Analysis and Detection Foundation of Science and Technology Department in Zhejiang Province,China(No.LGC21B050009)the Hangzhou Normal University Innovation Practice and Service Local Plan‘Diligent,Careful Research and Innovation'Scientific Research Project,China(No.YJS2022055).
文摘Polycarboxylic acids(PACs)are important metabolic products in almost all living bodies,yet current analytical methods for detection of PACs in tea beverages are still unsatisfactory due to the complex matrix and physicochemical properties of PACs.In this work,a rapid method was developed for the simultaneous determination of 7 PACs,including tartaric acid,α-ketoglutaric acid,malic acid,malonic acid,cis-aconitic acid,succinic acid,and fumaric acid,in beverages,based on selective removal of the matrix in combination with liquid chromatography–mass spectrometry(LC-MS)analysis.By stirring with activated carbon and the Na2CO3 solution,the matrix in beverages was selectively removed,and PACs were almost retained in the supernatant of diluted Na2CO3 solution.Under optimized parameters,the limit of quantitation for the PACs was in the range of 1–50 ng/mL,and the content of the PACs in 8 beverages was determined with the recovery range of 72.2%–122.5%.The contents of malic acid,malonic acid,and succinic acid in tea beverages were found to be greater than those in non-tea beverages.Moreover,the concentration of these PACs in beverages was found to be multiplied many times in their deterioration period,especially for fumaric acid andα-ketoglutaric acid.These results indicated that PACs can be selected as a criterion to differentiate qualified tea beverages from spoiled beverages.
