目的:系统评价地黄饮子加减及联合常规西药治疗痴呆的有效性。方法:计算机检索中国知网、中国生物医学文献数据库、万方数据库、维普数据库、PubMed、Web of science、Embase数据库中地黄饮子加减及联合常规西药治疗痴呆的随机对照试验...目的:系统评价地黄饮子加减及联合常规西药治疗痴呆的有效性。方法:计算机检索中国知网、中国生物医学文献数据库、万方数据库、维普数据库、PubMed、Web of science、Embase数据库中地黄饮子加减及联合常规西药治疗痴呆的随机对照试验,检索时间为各数据库建库至2023年9月。筛选符合纳入标准的文献进行质量评价,提取相应资料,采用RevMan5.3软件进行Meta分析。结果:共纳入文献21篇,1647例患者。Meta分析结果显示,治疗组的临床疗效高于对照组[OR=4.22,95%CI(3.22,5.52),P<0.00001],治疗组改善痴呆的MMSE评分高于对照组[MD=3.88,95%CI(1.98,5.77),P<0.0001],治疗组改善痴呆的HDS评分高于对照组[MD=3.86,95%CI(1.85,5.88),P<0.01],治疗组改善痴呆的ADL评分低于对照组[MD=-2.79,95%CI(-4.56,-1.02),P<0.01]。治疗组痴呆的不良反应发生率未明显低于对照组[OR=0.50,95%CI(0.25,0.99),P=0.05>0.01]。结论:地黄饮子加减及联合常规西药治疗痴呆的总有效率高于单纯常规西药治疗,且可改善简易精神状态检查量表(mini-mental state examination,MMSE)、长谷川痴呆量表(hastgawa dementia scale,HDS)和日常生活能力量表(activity of daily living scale,ADL)评分。本研究存在一定的局限性,仍需多中心、大样本、高质量的研究补充论证。展开更多
Reducing the dissolution of Mn from LiMn_(2)O_(4)(LMO)and enhancing the stability of film electrodes are critical and challenging for Li+ions selective extraction via electrochemically switched ion exchange technology...Reducing the dissolution of Mn from LiMn_(2)O_(4)(LMO)and enhancing the stability of film electrodes are critical and challenging for Li+ions selective extraction via electrochemically switched ion exchange technology.In this work,we prepared a nitrogen-doped carbon cladding LMO(C-N@LMO)by polymerization of polypyrrole and high-temperature annealing in the N2 gas to achieve the above purpose.The modified C-N@LMO film electrode exhibited lower Mn dissolution and better cyclic stability than the LMO film electrode.The dissolution ratio of Mn from the C-N@LMO film electrode decreased by 42%compared to the LMO film electrode after 10 cycles.The cladding layer not only acted as a protective layer but also functioned as a conductive shell,accelerating the migration rate of Li+ions.The intercalation equilibrium time of the C-N@LMO film electrode reached within an hour during the extraction of Li+ions,which was 33%less compared to the pure LMO film electrode.Meanwhile,the C-N@LMO film electrode retained evident selectivity toward Li+ions,and the separation factor was 118.38 for Li+toward Mg2+in simulated brine.Therefore,the C-N@LMO film electrode would be a promising candidate for the recovery of Li+ions from salt lakes.展开更多
文摘目的:系统评价地黄饮子加减及联合常规西药治疗痴呆的有效性。方法:计算机检索中国知网、中国生物医学文献数据库、万方数据库、维普数据库、PubMed、Web of science、Embase数据库中地黄饮子加减及联合常规西药治疗痴呆的随机对照试验,检索时间为各数据库建库至2023年9月。筛选符合纳入标准的文献进行质量评价,提取相应资料,采用RevMan5.3软件进行Meta分析。结果:共纳入文献21篇,1647例患者。Meta分析结果显示,治疗组的临床疗效高于对照组[OR=4.22,95%CI(3.22,5.52),P<0.00001],治疗组改善痴呆的MMSE评分高于对照组[MD=3.88,95%CI(1.98,5.77),P<0.0001],治疗组改善痴呆的HDS评分高于对照组[MD=3.86,95%CI(1.85,5.88),P<0.01],治疗组改善痴呆的ADL评分低于对照组[MD=-2.79,95%CI(-4.56,-1.02),P<0.01]。治疗组痴呆的不良反应发生率未明显低于对照组[OR=0.50,95%CI(0.25,0.99),P=0.05>0.01]。结论:地黄饮子加减及联合常规西药治疗痴呆的总有效率高于单纯常规西药治疗,且可改善简易精神状态检查量表(mini-mental state examination,MMSE)、长谷川痴呆量表(hastgawa dementia scale,HDS)和日常生活能力量表(activity of daily living scale,ADL)评分。本研究存在一定的局限性,仍需多中心、大样本、高质量的研究补充论证。
基金supported by the National Natural Science Foundation of China(Grant Nos.U21A20303,22078217 and U20A20141).
文摘Reducing the dissolution of Mn from LiMn_(2)O_(4)(LMO)and enhancing the stability of film electrodes are critical and challenging for Li+ions selective extraction via electrochemically switched ion exchange technology.In this work,we prepared a nitrogen-doped carbon cladding LMO(C-N@LMO)by polymerization of polypyrrole and high-temperature annealing in the N2 gas to achieve the above purpose.The modified C-N@LMO film electrode exhibited lower Mn dissolution and better cyclic stability than the LMO film electrode.The dissolution ratio of Mn from the C-N@LMO film electrode decreased by 42%compared to the LMO film electrode after 10 cycles.The cladding layer not only acted as a protective layer but also functioned as a conductive shell,accelerating the migration rate of Li+ions.The intercalation equilibrium time of the C-N@LMO film electrode reached within an hour during the extraction of Li+ions,which was 33%less compared to the pure LMO film electrode.Meanwhile,the C-N@LMO film electrode retained evident selectivity toward Li+ions,and the separation factor was 118.38 for Li+toward Mg2+in simulated brine.Therefore,the C-N@LMO film electrode would be a promising candidate for the recovery of Li+ions from salt lakes.
