The aim of this present study was to investigate the effects of training on exercise tolerance of patients with coronary heart disease after percutaneous coronary intervention.Fifty-seven cases of coronary heart disea...The aim of this present study was to investigate the effects of training on exercise tolerance of patients with coronary heart disease after percutaneous coronary intervention.Fifty-seven cases of coronary heart disease after percutaneous coronary intervention were divided randomly into the rehabilitation training group（26 cases） and control group（31 cases）.Patients in the rehabilitation training group received rehabilitation training at different stages and exercise intensities 3 d after percutaneous coronary intervention for 3 months.The heart rate,blood pressure,ECG changes in treadmill exercise test,and the frequency of anginal episodes were observed.The results showed that NST and ΣST of ECG and the frequency of anginal episodes were significantly reduced in the rehabilitation training group.In addition,exercise tolerance was improved and the total exercise time was lengthened in these patients.Moreover,ST segment depression time and emergence time of angina with exercise were also lengthened compared with controls（P 〈 0.05,or 0.01）.However,the heart rate and blood pressure before and after exercise of the two groups were similar.The study indicated that rehabilitation training could significantly relieve angina,amend ischemic features of ECG,and improve exercise tolerance of coronary heart disease patients after percutaneous coronary intervention.展开更多
A simple and accurate high-performance liquid chromatography（HPLC）coupled with diode array detector（DAD）and evaporative light scattering detector（ELSD）was established for the determination of six bioactive compo...A simple and accurate high-performance liquid chromatography（HPLC）coupled with diode array detector（DAD）and evaporative light scattering detector（ELSD）was established for the determination of six bioactive compounds in Zhenqi Fuzheng preparation（ZFP）.The monitoring wavelengths were 254,275 and 328 nm.Under the optimum conditions,good separation was achieved,and the assay was fully validated in respect of precision,repeatability and accuracy.The proposed method was successfully applied to quantify the six ingredients in 31 batches of ZFP samples and evaluate the variation by hierarchical cluster analysis（HCA）,which demonstrated significant variations on the content of these compounds in the samples from different manufacturers with different preparation procedures.The developed HPLC method can be used as a valid analytical method to evaluate the intrinsic quality of this preparation.展开更多
People as third-party observers,without direct self-interest,may punish norm violators to maintain social norms.However,third-party judgment and the follow-up punishment might be susceptible to the way we frame(i.e.,v...People as third-party observers,without direct self-interest,may punish norm violators to maintain social norms.However,third-party judgment and the follow-up punishment might be susceptible to the way we frame(i.e.,verbally describe)a norm violation.We conducted a behavioral and a neuroimaging experiment to investigate the above phenomenon,which we call the“third-party framing effect”.In these experiments,participants observed an anonymous perpetrator deciding whether to keep her/his economic benefit while exposing a victim to a risk of physical pain(described as“harming others”in one condition and“not helping others”in the other condition),then they had a chance to punish that perpetrator at their own cost.Our results showed that the participants were more willing to execute third-party punishment under the harm frame compared to the help frame,manifesting a framing effect.Self-reported anger toward perpetrators mediated the relationship between empathy toward victims and the framing effect.Meanwhile,activation of the insula mediated the relationship between mid-cingulate cortex activation and the framing effect;the functional connectivity between these regions significantly predicted the size of the framing effect.These findings shed light on the psychological and neural mechanisms of the third-party framing effect.展开更多
BACKGROUND Early detection of advanced cystic mucinous neoplasms[(A-cMNs),defined as high-grade dysplasia or malignancy]of the pancreas is of great significance.As a simple and feasible detection method,serum tumor ma...BACKGROUND Early detection of advanced cystic mucinous neoplasms[(A-cMNs),defined as high-grade dysplasia or malignancy]of the pancreas is of great significance.As a simple and feasible detection method,serum tumor markers(STMs)may be used to predict advanced intraductal papillary mucinous neoplasms(IPMNs)and mucinous cystic neoplasms(MCNs).However,there are few studies on the usefulness of STMs other than carbohydrate antigen(CA)19-9 for early detection of A-cMNs.AIM To study the ability of five STMs-CA19-9,carcinoembryonic antigen(CEA),CA125,CA724,and CA242 to predict A-cMNs and distinguish IPMNs and MCNs.METHODS We mainly measured the levels of each STM in patients pathologically diagnosed with cMNs.The mean levels of STMs and the number of A-cMN subjects with a higher STM level than the cutoff were compared respectively to identify the ability of STMs to predict A-cMNs and distinguish MCNs from IPMNs.A receiver operating characteristic curve with the area under curve(AUC)was also created to identify the performance of the five STMs.RESULTS A total of 187 patients with cMNs were identified and 72 of them showed AcMNs.We found that CA19-9 exhibited the highest sensitivity(SE)(54.2%)and accuracy(76.5%)and a moderate ability(AUC=0.766)to predict A-cMNs.In predicting high-grade dysplasia IPMNs,the SE of CA19-9 decreased to 38.5%.The ability of CEA,CA125,and CA724 to predict A-cMNs was low(AUC=0.651,0.583,and 0.618,respectively).The predictive ability of CA242 was not identified.The combination of STMs improved the SE to 62.5%.CA125 may be specific to the diagnosis of advanced MCNs.CONCLUSION CA19-9 has a moderate ability,and CEA,CA125,and CA724 have a low ability to predict A-cMNs.The combination of STM testing could improve SE in predicting A-cMNs.展开更多
文摘The aim of this present study was to investigate the effects of training on exercise tolerance of patients with coronary heart disease after percutaneous coronary intervention.Fifty-seven cases of coronary heart disease after percutaneous coronary intervention were divided randomly into the rehabilitation training group（26 cases） and control group（31 cases）.Patients in the rehabilitation training group received rehabilitation training at different stages and exercise intensities 3 d after percutaneous coronary intervention for 3 months.The heart rate,blood pressure,ECG changes in treadmill exercise test,and the frequency of anginal episodes were observed.The results showed that NST and ΣST of ECG and the frequency of anginal episodes were significantly reduced in the rehabilitation training group.In addition,exercise tolerance was improved and the total exercise time was lengthened in these patients.Moreover,ST segment depression time and emergence time of angina with exercise were also lengthened compared with controls（P 〈 0.05,or 0.01）.However,the heart rate and blood pressure before and after exercise of the two groups were similar.The study indicated that rehabilitation training could significantly relieve angina,amend ischemic features of ECG,and improve exercise tolerance of coronary heart disease patients after percutaneous coronary intervention.
文摘A simple and accurate high-performance liquid chromatography（HPLC）coupled with diode array detector（DAD）and evaporative light scattering detector（ELSD）was established for the determination of six bioactive compounds in Zhenqi Fuzheng preparation（ZFP）.The monitoring wavelengths were 254,275 and 328 nm.Under the optimum conditions,good separation was achieved,and the assay was fully validated in respect of precision,repeatability and accuracy.The proposed method was successfully applied to quantify the six ingredients in 31 batches of ZFP samples and evaluate the variation by hierarchical cluster analysis（HCA）,which demonstrated significant variations on the content of these compounds in the samples from different manufacturers with different preparation procedures.The developed HPLC method can be used as a valid analytical method to evaluate the intrinsic quality of this preparation.
基金This work was supported by the National Natural Science Foundation of China(31871109,32071083,and 31900779)Shenzhen–Hong Kong Institute of Brain Science—Shenzhen Fundamental Research Institutions(2021SHIBS0003).
文摘People as third-party observers,without direct self-interest,may punish norm violators to maintain social norms.However,third-party judgment and the follow-up punishment might be susceptible to the way we frame(i.e.,verbally describe)a norm violation.We conducted a behavioral and a neuroimaging experiment to investigate the above phenomenon,which we call the“third-party framing effect”.In these experiments,participants observed an anonymous perpetrator deciding whether to keep her/his economic benefit while exposing a victim to a risk of physical pain(described as“harming others”in one condition and“not helping others”in the other condition),then they had a chance to punish that perpetrator at their own cost.Our results showed that the participants were more willing to execute third-party punishment under the harm frame compared to the help frame,manifesting a framing effect.Self-reported anger toward perpetrators mediated the relationship between empathy toward victims and the framing effect.Meanwhile,activation of the insula mediated the relationship between mid-cingulate cortex activation and the framing effect;the functional connectivity between these regions significantly predicted the size of the framing effect.These findings shed light on the psychological and neural mechanisms of the third-party framing effect.
基金National Natural Science Foundation of China,No.81770642the Shanghai Association for Science and Technology,China,No.19411951602.
文摘BACKGROUND Early detection of advanced cystic mucinous neoplasms[(A-cMNs),defined as high-grade dysplasia or malignancy]of the pancreas is of great significance.As a simple and feasible detection method,serum tumor markers(STMs)may be used to predict advanced intraductal papillary mucinous neoplasms(IPMNs)and mucinous cystic neoplasms(MCNs).However,there are few studies on the usefulness of STMs other than carbohydrate antigen(CA)19-9 for early detection of A-cMNs.AIM To study the ability of five STMs-CA19-9,carcinoembryonic antigen(CEA),CA125,CA724,and CA242 to predict A-cMNs and distinguish IPMNs and MCNs.METHODS We mainly measured the levels of each STM in patients pathologically diagnosed with cMNs.The mean levels of STMs and the number of A-cMN subjects with a higher STM level than the cutoff were compared respectively to identify the ability of STMs to predict A-cMNs and distinguish MCNs from IPMNs.A receiver operating characteristic curve with the area under curve(AUC)was also created to identify the performance of the five STMs.RESULTS A total of 187 patients with cMNs were identified and 72 of them showed AcMNs.We found that CA19-9 exhibited the highest sensitivity(SE)(54.2%)and accuracy(76.5%)and a moderate ability(AUC=0.766)to predict A-cMNs.In predicting high-grade dysplasia IPMNs,the SE of CA19-9 decreased to 38.5%.The ability of CEA,CA125,and CA724 to predict A-cMNs was low(AUC=0.651,0.583,and 0.618,respectively).The predictive ability of CA242 was not identified.The combination of STMs improved the SE to 62.5%.CA125 may be specific to the diagnosis of advanced MCNs.CONCLUSION CA19-9 has a moderate ability,and CEA,CA125,and CA724 have a low ability to predict A-cMNs.The combination of STM testing could improve SE in predicting A-cMNs.
