Voltage pulses of 90 V have been observed in YBa_(2)Cu_(3)O_(7-δ) films with a tilted orientation when they are illuminated by pulsed laser at room temperature.The signals result from the anisotropy of thermoelectric...Voltage pulses of 90 V have been observed in YBa_(2)Cu_(3)O_(7-δ) films with a tilted orientation when they are illuminated by pulsed laser at room temperature.The signals result from the anisotropy of thermoelectricity in the films.The thermoelectric signals related to the tilted angle are linear to the laser power and wavelength-independent.It is shown that the response of films to the mode-locked laser has a risetime less than 1ns and width less than 20 ns.The films with the superconducting transition temperature of 90K were prepared by laser ablation.展开更多
[目的]探讨围术期加速康复(enhanced recovery after surgery,ERAS)管理对初次全膝关节置换术(total knee arthroplasty,TKA)患者术后下肢深静脉血栓(deep vein thrombosis,DVT)发生的影响。[方法]回顾性分析本院关节外科2016年7月—201...[目的]探讨围术期加速康复(enhanced recovery after surgery,ERAS)管理对初次全膝关节置换术(total knee arthroplasty,TKA)患者术后下肢深静脉血栓(deep vein thrombosis,DVT)发生的影响。[方法]回顾性分析本院关节外科2016年7月—2018年6月行初次TKA且有术前术后下肢血管彩超检查的307例患者,根据医患沟通结果,分为ERAS组88例,常规组219例。对比两组患者临床结果、凝血指标、超声检查结果。[结果] ERAS组手术时间[(107.0±19.4) min vs (134.9±20.7) min,P<0.001]、术后下地时间[(27.8±11.5) d vs (70.6±11.0) d,P<0.001]、住院期间症状血栓[例,无/小腿/全下肢/心肺:(86/2/0/0) vs (196/15/8/0),P=0.046]、确诊血栓事件发生率(9.1%vs 19.6%,P=0.025)显著优于常规组。凝血指标方面,ERAS组患者术后D-D [(3.2±1.7) mg/L vs (3.8±1.7) mg/L,P=0.008]、FIB [(4.9±1.9) g/L vs (5.6±2.3) g/L,P=0.011]均显著低于常规组。超声检查住院期间ERAS组患者血栓分布情况[无/肌间/小静脉/大静脉/肺动脉:(80/2/6/0/0) vs (176/10/20/13/0),P=0.045]显著优于常规组。[结论]围术期ERAS管理能有效减少初次TKA患者术后DVT的发生,有助于血栓的预防。展开更多
基金Supported in part by the Chinese National Center for Research and Development on Superconductivity,and Research Funds of Tsinghua University.
文摘Voltage pulses of 90 V have been observed in YBa_(2)Cu_(3)O_(7-δ) films with a tilted orientation when they are illuminated by pulsed laser at room temperature.The signals result from the anisotropy of thermoelectricity in the films.The thermoelectric signals related to the tilted angle are linear to the laser power and wavelength-independent.It is shown that the response of films to the mode-locked laser has a risetime less than 1ns and width less than 20 ns.The films with the superconducting transition temperature of 90K were prepared by laser ablation.
文摘[目的]探讨围术期加速康复(enhanced recovery after surgery,ERAS)管理对初次全膝关节置换术(total knee arthroplasty,TKA)患者术后下肢深静脉血栓(deep vein thrombosis,DVT)发生的影响。[方法]回顾性分析本院关节外科2016年7月—2018年6月行初次TKA且有术前术后下肢血管彩超检查的307例患者,根据医患沟通结果,分为ERAS组88例,常规组219例。对比两组患者临床结果、凝血指标、超声检查结果。[结果] ERAS组手术时间[(107.0±19.4) min vs (134.9±20.7) min,P<0.001]、术后下地时间[(27.8±11.5) d vs (70.6±11.0) d,P<0.001]、住院期间症状血栓[例,无/小腿/全下肢/心肺:(86/2/0/0) vs (196/15/8/0),P=0.046]、确诊血栓事件发生率(9.1%vs 19.6%,P=0.025)显著优于常规组。凝血指标方面,ERAS组患者术后D-D [(3.2±1.7) mg/L vs (3.8±1.7) mg/L,P=0.008]、FIB [(4.9±1.9) g/L vs (5.6±2.3) g/L,P=0.011]均显著低于常规组。超声检查住院期间ERAS组患者血栓分布情况[无/肌间/小静脉/大静脉/肺动脉:(80/2/6/0/0) vs (176/10/20/13/0),P=0.045]显著优于常规组。[结论]围术期ERAS管理能有效减少初次TKA患者术后DVT的发生,有助于血栓的预防。
