Atrial fibrillation(AF)is the most common arrhythmia in clinical setting and has been increasingly prevalent due to the aging population.AF is associated with a three to fivefold increased risk of stroke.Treatment opt...Atrial fibrillation(AF)is the most common arrhythmia in clinical setting and has been increasingly prevalent due to the aging population.AF is associated with a three to fivefold increased risk of stroke.Treatment options include pharmacological and electrical cardioversion,each carrying specific risks.AF may resolve spontaneously,but often recurs,making a“watch-andwait”strategy a reasonable approach to avoid unnecessary antiarrhythmic therapy.展开更多
The widespread popularization and application of laser technology have provided a powerful tool for a deeper understanding of the material world and given birth to several emerging research fields.This study mainly fo...The widespread popularization and application of laser technology have provided a powerful tool for a deeper understanding of the material world and given birth to several emerging research fields.This study mainly focuses on the following three key aspects.First,the classical ensemble method is adopted to conduct a comprehensive and in-depth analysis of two-dimensional(2D)matter–wave pulses in Bose–Fermi mixed gases(including linear and nonlinear pulses).Second,under the strict constraints of unitary systems,a coupled Kd V equation is successfully derived,and the prolongation structure theory is skillfully used to carry out detailed calculations and analyses on this equation.Thus,the prolongation algebra of this equation is accurately determined,and the corresponding Lax pair is rigorously derived.Finally,based on the carefully obtained Lax pair from the prolongation structure theory,the soliton solutions of this equation are further analyzed in depth,and intuitive images of each soliton solution are carefully drawn.This lays a solid foundation for subsequent detailed research on these soliton characteristics and provides great convenience.展开更多
BACKGROUND QTc interval prolongation with an increased risk of torsade de pointes(Tsd)has been described in coronavirus disease 2019(COVID-19)patients treated with hydroxychloroquine(HCQ)and azithromycin(AZI)in Wester...BACKGROUND QTc interval prolongation with an increased risk of torsade de pointes(Tsd)has been described in coronavirus disease 2019(COVID-19)patients treated with hydroxychloroquine(HCQ)and azithromycin(AZI)in Western countries.In the DR Congo,few studies have evaluated the safety of this association or proposed new molecules.AIM To determine the incidence of QTc prolongation and Tsd in COVID-19 patients treated with HCQ-AZIs vs doubase C(new molecule).METHODS In present randomized clinical trial,we have included patients with mild or moderate COVID-19 treated with either HCQ-AZI or doubase C.Electrocardiogram(ECG)changes on day 14 of randomization were determined based on pretreatment tracing.Prolonged QTc was defined as≥500 ms on day 14 or an increase of≥80 ms compared to pretreatment tracing.Patients with cardiac disease,those undergoing other treatments likely to prolong QTc,and those with disturbed ECG tracings were excluded from the study.RESULTS The study included 258 patients(mean age 41±15 years;52%men;3.4%diabetics,11.1%hypertensive).Mild and moderate COVID-19 were found in 93.5%and 6.5%of patients,respectively.At baseline,all patients had normal sinus rhythm,a mean heart rate 78±13/min,mean PR space 170±28 ms,mean QRS 76±13 ms,and mean QTc 405±30 ms.No complaints suggesting cardiac involvement were reported during or after treatment.Only four patients(1.5%)experienced QTc interval prolongation beyond 500 ms.Similarly,only five patients(1.9%)had an increase in the QTc interval of more than 80 ms.QTc prolongation was more significant in younger patients,those with high viral load at baseline,and those receiving HCQ-AZI(P<0.05).None of the patients developed Tsd.CONCLUSION QTc prolongation without Tsd was observed at a lower frequency in patients treated with HCQ-AZI vs doubase C.The absence of comorbidities and concurrent use of other products that are likely to cause arrhythmia may explain our results.展开更多
目的探讨耳迷走神经电刺激(ta-VNS)对慢性意识障碍(p Do C)患者意识水平恢复的影响。方法2023年1月至2024年8月,浙江省人民医院p Do C患者50例,随机分为对照组(n=25)和观察组(n=25)。两组均接受常规促醒治疗和醒脑开窍针法治疗,观察组...目的探讨耳迷走神经电刺激(ta-VNS)对慢性意识障碍(p Do C)患者意识水平恢复的影响。方法2023年1月至2024年8月,浙江省人民医院p Do C患者50例,随机分为对照组(n=25)和观察组(n=25)。两组均接受常规促醒治疗和醒脑开窍针法治疗,观察组在此基础上增加ta-VNS治疗,共4周。每组根据入组时修订版昏迷恢复量表(CRS-R)评分分为无反应觉醒综合征/植物状态(UWS/VS)、微小意识状态(MCS)两种类型,分别在治疗前、治疗4周后进行格拉斯哥昏迷量表(GCS)、CRS-R、脑电图(EEG)分级和上肢体感诱发电位(SSEP)评估。结果观察组3例,对照组5例因转院未能完成试验。治疗前,两组UWS/VS、MCS类型患者各项评估指标均无显著性差异(P>0.05);治疗后,观察组UWS/VS、MCS类型患者GCS评分(|t|>16.000,P<0.001)、CRSR评分(|t|>14.318,P<0.001)、SSEP的N20振幅(|t|>5.247,P<0.05)均提高,EEG分级降低(Z>2.264,P<0.05),SSEP的N20潜伏期缩短(|t|>2.884,P<0.05),且均优于对照组同类型患者(|t|>1.883,|Z|>2.244,P<0.05)。结论ta-VNS可促进p Do C患者从UWS/VS和MCS状态中觉醒,提升脑电活动和感觉运动传导通路的功能状态。展开更多
药用辅料是制剂处方中不可或缺的组成部分,在药物质量标准不断提升的背景下,药用辅料成药过程和成药后质量变化和对药物整体安全和药效影响的研究相对较少,在中成药研究中尤为突出。基于中药质量标准对所用药用辅料的质量控制重视不足,...药用辅料是制剂处方中不可或缺的组成部分,在药物质量标准不断提升的背景下,药用辅料成药过程和成药后质量变化和对药物整体安全和药效影响的研究相对较少,在中成药研究中尤为突出。基于中药质量标准对所用药用辅料的质量控制重视不足,提出药物与药用辅料间“质控对称(quality control symmetry,QC-Symmetry)”及“质控不对称(quality control asymmetry,QC-Asymmetry)”的概念,并对中成药和药用辅料的QC-Asymmetry问题进行探讨,为药用辅料相关质量评价纳入中成药质量和工艺评价过程、使二者在质量和工艺控制中达到对称和相适应提供参考,以期进一步完善中成药等药物制剂研究的质量控制策略。展开更多
文摘Atrial fibrillation(AF)is the most common arrhythmia in clinical setting and has been increasingly prevalent due to the aging population.AF is associated with a three to fivefold increased risk of stroke.Treatment options include pharmacological and electrical cardioversion,each carrying specific risks.AF may resolve spontaneously,but often recurs,making a“watch-andwait”strategy a reasonable approach to avoid unnecessary antiarrhythmic therapy.
基金Project supported by the National Natural Science Foundation of China(Grant No.12261072)。
文摘The widespread popularization and application of laser technology have provided a powerful tool for a deeper understanding of the material world and given birth to several emerging research fields.This study mainly focuses on the following three key aspects.First,the classical ensemble method is adopted to conduct a comprehensive and in-depth analysis of two-dimensional(2D)matter–wave pulses in Bose–Fermi mixed gases(including linear and nonlinear pulses).Second,under the strict constraints of unitary systems,a coupled Kd V equation is successfully derived,and the prolongation structure theory is skillfully used to carry out detailed calculations and analyses on this equation.Thus,the prolongation algebra of this equation is accurately determined,and the corresponding Lax pair is rigorously derived.Finally,based on the carefully obtained Lax pair from the prolongation structure theory,the soliton solutions of this equation are further analyzed in depth,and intuitive images of each soliton solution are carefully drawn.This lays a solid foundation for subsequent detailed research on these soliton characteristics and provides great convenience.
文摘BACKGROUND QTc interval prolongation with an increased risk of torsade de pointes(Tsd)has been described in coronavirus disease 2019(COVID-19)patients treated with hydroxychloroquine(HCQ)and azithromycin(AZI)in Western countries.In the DR Congo,few studies have evaluated the safety of this association or proposed new molecules.AIM To determine the incidence of QTc prolongation and Tsd in COVID-19 patients treated with HCQ-AZIs vs doubase C(new molecule).METHODS In present randomized clinical trial,we have included patients with mild or moderate COVID-19 treated with either HCQ-AZI or doubase C.Electrocardiogram(ECG)changes on day 14 of randomization were determined based on pretreatment tracing.Prolonged QTc was defined as≥500 ms on day 14 or an increase of≥80 ms compared to pretreatment tracing.Patients with cardiac disease,those undergoing other treatments likely to prolong QTc,and those with disturbed ECG tracings were excluded from the study.RESULTS The study included 258 patients(mean age 41±15 years;52%men;3.4%diabetics,11.1%hypertensive).Mild and moderate COVID-19 were found in 93.5%and 6.5%of patients,respectively.At baseline,all patients had normal sinus rhythm,a mean heart rate 78±13/min,mean PR space 170±28 ms,mean QRS 76±13 ms,and mean QTc 405±30 ms.No complaints suggesting cardiac involvement were reported during or after treatment.Only four patients(1.5%)experienced QTc interval prolongation beyond 500 ms.Similarly,only five patients(1.9%)had an increase in the QTc interval of more than 80 ms.QTc prolongation was more significant in younger patients,those with high viral load at baseline,and those receiving HCQ-AZI(P<0.05).None of the patients developed Tsd.CONCLUSION QTc prolongation without Tsd was observed at a lower frequency in patients treated with HCQ-AZI vs doubase C.The absence of comorbidities and concurrent use of other products that are likely to cause arrhythmia may explain our results.
文摘目的探讨耳迷走神经电刺激(ta-VNS)对慢性意识障碍(p Do C)患者意识水平恢复的影响。方法2023年1月至2024年8月,浙江省人民医院p Do C患者50例,随机分为对照组(n=25)和观察组(n=25)。两组均接受常规促醒治疗和醒脑开窍针法治疗,观察组在此基础上增加ta-VNS治疗,共4周。每组根据入组时修订版昏迷恢复量表(CRS-R)评分分为无反应觉醒综合征/植物状态(UWS/VS)、微小意识状态(MCS)两种类型,分别在治疗前、治疗4周后进行格拉斯哥昏迷量表(GCS)、CRS-R、脑电图(EEG)分级和上肢体感诱发电位(SSEP)评估。结果观察组3例,对照组5例因转院未能完成试验。治疗前,两组UWS/VS、MCS类型患者各项评估指标均无显著性差异(P>0.05);治疗后,观察组UWS/VS、MCS类型患者GCS评分(|t|>16.000,P<0.001)、CRSR评分(|t|>14.318,P<0.001)、SSEP的N20振幅(|t|>5.247,P<0.05)均提高,EEG分级降低(Z>2.264,P<0.05),SSEP的N20潜伏期缩短(|t|>2.884,P<0.05),且均优于对照组同类型患者(|t|>1.883,|Z|>2.244,P<0.05)。结论ta-VNS可促进p Do C患者从UWS/VS和MCS状态中觉醒,提升脑电活动和感觉运动传导通路的功能状态。
文摘药用辅料是制剂处方中不可或缺的组成部分,在药物质量标准不断提升的背景下,药用辅料成药过程和成药后质量变化和对药物整体安全和药效影响的研究相对较少,在中成药研究中尤为突出。基于中药质量标准对所用药用辅料的质量控制重视不足,提出药物与药用辅料间“质控对称(quality control symmetry,QC-Symmetry)”及“质控不对称(quality control asymmetry,QC-Asymmetry)”的概念,并对中成药和药用辅料的QC-Asymmetry问题进行探讨,为药用辅料相关质量评价纳入中成药质量和工艺评价过程、使二者在质量和工艺控制中达到对称和相适应提供参考,以期进一步完善中成药等药物制剂研究的质量控制策略。
