目的探讨冠状动脉旁路移植术前进行左锁骨下动脉狭窄筛查及诊治的意义和方法。方法对天津市胸科医院612例冠状动脉旁路移植术患者术前采用无创动脉硬化检测技术筛查合并左锁骨下动脉重度狭窄或闭塞患者,用电子计算机断层扫描血管造影(C...目的探讨冠状动脉旁路移植术前进行左锁骨下动脉狭窄筛查及诊治的意义和方法。方法对天津市胸科医院612例冠状动脉旁路移植术患者术前采用无创动脉硬化检测技术筛查合并左锁骨下动脉重度狭窄或闭塞患者,用电子计算机断层扫描血管造影(CTA)明确诊断,然后行左锁骨下动脉支架成形术,术后1周行非体外循环冠状动脉旁路移植术,术中均使用左乳内动脉与前降支吻合。结果使用无创动脉硬化检测技术筛查出5例左锁骨下动脉狭窄病变患者,且均得到了CTA确诊。左锁骨下动脉支架成形术成功率为100%(5/5),术后残余狭窄率均小于10%,症状性患者的症状均消失,双侧上臂收缩压差均小于20 mm Hg。使用左乳内动脉与冠状动脉前降支搭桥术中左乳内动脉血流量正常,术后心绞痛症状均消失,未发现冠状动脉-锁骨下动脉窃血综合征。围手术期无脑卒中、心肌梗死及死亡并发症。随访6~12个月,平均10个月,无后循环缺血、上肢缺血、心肌缺血相关症状,双侧上臂收缩压差均小于20 mm Hg。结论无创动脉硬化检测技术对锁骨下动脉狭窄的筛查有独到的价值。展开更多
According to the theory of ventilation network, a model for a filtration flow field in goaf was built and simulation soft- ware for determining the three zones in goaf has been developed. This software uses no-gap-con...According to the theory of ventilation network, a model for a filtration flow field in goaf was built and simulation soft- ware for determining the three zones in goaf has been developed. This software uses no-gap-connection between Visual Basic (VB) and Excel to exchange data, uses Component Object Model (COM) component of MATLAB to plot charts of the three zones and to export the corresponding coordinates of the isolines. An example shows that this software is convenient and simple. By using it, the three zones can be easily determined. The software is convenient in studies and analyses of the three zones in goaf.展开更多
文摘目的探讨冠状动脉旁路移植术前进行左锁骨下动脉狭窄筛查及诊治的意义和方法。方法对天津市胸科医院612例冠状动脉旁路移植术患者术前采用无创动脉硬化检测技术筛查合并左锁骨下动脉重度狭窄或闭塞患者,用电子计算机断层扫描血管造影(CTA)明确诊断,然后行左锁骨下动脉支架成形术,术后1周行非体外循环冠状动脉旁路移植术,术中均使用左乳内动脉与前降支吻合。结果使用无创动脉硬化检测技术筛查出5例左锁骨下动脉狭窄病变患者,且均得到了CTA确诊。左锁骨下动脉支架成形术成功率为100%(5/5),术后残余狭窄率均小于10%,症状性患者的症状均消失,双侧上臂收缩压差均小于20 mm Hg。使用左乳内动脉与冠状动脉前降支搭桥术中左乳内动脉血流量正常,术后心绞痛症状均消失,未发现冠状动脉-锁骨下动脉窃血综合征。围手术期无脑卒中、心肌梗死及死亡并发症。随访6~12个月,平均10个月,无后循环缺血、上肢缺血、心肌缺血相关症状,双侧上臂收缩压差均小于20 mm Hg。结论无创动脉硬化检测技术对锁骨下动脉狭窄的筛查有独到的价值。
文摘According to the theory of ventilation network, a model for a filtration flow field in goaf was built and simulation soft- ware for determining the three zones in goaf has been developed. This software uses no-gap-connection between Visual Basic (VB) and Excel to exchange data, uses Component Object Model (COM) component of MATLAB to plot charts of the three zones and to export the corresponding coordinates of the isolines. An example shows that this software is convenient and simple. By using it, the three zones can be easily determined. The software is convenient in studies and analyses of the three zones in goaf.