目的:探讨在胸痛中心模式下急性ST段抬高型心肌梗死(STEMI)患者介入治疗(PCI)绕行急诊的可能性、安全性及预后。方法:选择通过胸痛中心行直接PCI的STEMI患者210例,依据是否绕行急诊科分为绕行组和非绕行组,比较绕行组和非绕行组两组患...目的:探讨在胸痛中心模式下急性ST段抬高型心肌梗死(STEMI)患者介入治疗(PCI)绕行急诊的可能性、安全性及预后。方法:选择通过胸痛中心行直接PCI的STEMI患者210例,依据是否绕行急诊科分为绕行组和非绕行组,比较绕行组和非绕行组两组患者的首次医疗接触至球囊扩张时间(First Medical Contact to balloon,FMC-to-B)、门球时间(door to balloon,D-to-B)、住院期间并发症,术后出院前左室射血分数,术后3个月MACE事件,术后6个月左室射血分数,术后6个月的6分钟步行试验(6 MWT)。结果:绕行组和非绕行组的性别、年龄、合并吸烟、高血压、糖尿病、高脂血症比例以及既往的心肌梗死比例,心肌梗死犯罪血管的分布等差异无统计学意义(P>0.05)。绕行急诊组在FMC-to-B,D-to-B时间上均明显小于非绕行组,差异有统计学意义(P<0.05)。两组患者在住院期间并发症、术后3个月MACE事件、术后出院前左室射血分数比较,差异均没有统计学意义(P>0.05),在术后6个月左室射血分数虽然绕行组要比非绕行组射血分数高,但差异无统计学意义(P>0.05)。术后6个月6 MWT绕行组要优于非绕行组,差异有统计学差异(P<0.05)。结论:绕行急诊行急诊PCI治疗有利于缩短FMC-to-B,D-to-B时间,改善预后,同时安全,风险可控。展开更多
Non-planar and non-linear second sound wave are experimentally investigated in an open He Ⅱ bath.It is found that second sound wave characterized by a negative tail part in an open He Ⅱ bath is different from that p...Non-planar and non-linear second sound wave are experimentally investigated in an open He Ⅱ bath.It is found that second sound wave characterized by a negative tail part in an open He Ⅱ bath is different from that propagating through a channel,and the shape of the negative tail part of second sound wave varies at different location in an open He Ⅱ bath.Theoretical consideration is also carried out based on two-fluid model and vortex evolution equation.It is found that experimental and theoretical results agree rather well with each other.Second sound wave may develop into the thermal shock wave provided that the heat Hux is large.展开更多
文摘目的:探讨在胸痛中心模式下急性ST段抬高型心肌梗死(STEMI)患者介入治疗(PCI)绕行急诊的可能性、安全性及预后。方法:选择通过胸痛中心行直接PCI的STEMI患者210例,依据是否绕行急诊科分为绕行组和非绕行组,比较绕行组和非绕行组两组患者的首次医疗接触至球囊扩张时间(First Medical Contact to balloon,FMC-to-B)、门球时间(door to balloon,D-to-B)、住院期间并发症,术后出院前左室射血分数,术后3个月MACE事件,术后6个月左室射血分数,术后6个月的6分钟步行试验(6 MWT)。结果:绕行组和非绕行组的性别、年龄、合并吸烟、高血压、糖尿病、高脂血症比例以及既往的心肌梗死比例,心肌梗死犯罪血管的分布等差异无统计学意义(P>0.05)。绕行急诊组在FMC-to-B,D-to-B时间上均明显小于非绕行组,差异有统计学意义(P<0.05)。两组患者在住院期间并发症、术后3个月MACE事件、术后出院前左室射血分数比较,差异均没有统计学意义(P>0.05),在术后6个月左室射血分数虽然绕行组要比非绕行组射血分数高,但差异无统计学意义(P>0.05)。术后6个月6 MWT绕行组要优于非绕行组,差异有统计学差异(P<0.05)。结论:绕行急诊行急诊PCI治疗有利于缩短FMC-to-B,D-to-B时间,改善预后,同时安全,风险可控。
基金Supported by National Natural Science Foundation of China under Grant No.59876018.
文摘Non-planar and non-linear second sound wave are experimentally investigated in an open He Ⅱ bath.It is found that second sound wave characterized by a negative tail part in an open He Ⅱ bath is different from that propagating through a channel,and the shape of the negative tail part of second sound wave varies at different location in an open He Ⅱ bath.Theoretical consideration is also carried out based on two-fluid model and vortex evolution equation.It is found that experimental and theoretical results agree rather well with each other.Second sound wave may develop into the thermal shock wave provided that the heat Hux is large.
