双功能经颅彩色多普勒超声对疑似椎-基底动脉供血不足的诊断价值

目的探讨双功能经颅彩色多普勒超声对疑似椎-基底动脉供血不足的诊断价值。方法对298例疑似椎-基底动脉供血不足患者采用双功能经颅彩色多普勒超声检查,并对椎动脉（VA）、基底动脉（BA）血管的收缩峰流速（Vs）、舒张期末流速（Vd）、平均血流速度（Vm）、搏动指数（PI）进行测定。结果 298例患者中,椎-基底动脉供血不足280例,正常18例。血流速度增高93例（33.2%）,VA：Vs（54.50±10.10）cm.s-1,Vd（29.80±9.70）cm.s-1,Vm（49.70±9.30）cm.s-1,P...

Diagnostic Value of Dual Functional Transcranial Color Doppler Ultrasound in Suspected Vertebral-basilar Artery Insufficiency

Objective To investigate the diagnostic value of dual functional transcranial color Doppler ultrasound in suspected vertebral-basilar artery insufficiency.Methods Dual functional tran-scranial color Doppler ultrasound was performed in 298 patients with suspected vertebral-basilar artery insufficiency.Vascular peak systolic velocity（Vs）,end-diastolic velocity（Vd）,average blood flow velocity（Vm）,pulsation index（PI）were determined.Results Among the 298 patients,blood supply of vertebral-basilar artery was insufficient in 280 and normal in 18.In addition,blood flow velocity increased in 93 patients[33.2%;VA：Vs（54.50±10.10） cm·s-1,Vd（29.80±9.70） cm·s-1,Vm（49.70±9.30） cm·s-1,PI 0.88±0.12;BA：Vs（64.10±6.10） cm·s-1,Vd（34.40±6.20） cm·s-1,Vm（50.80±6.50） cm·s-1,PI 0.85±0.09]and decreased in 187 patients[66.8%;VA：Vs（28.50±6.40） cm·s-1,Vd（12.50±5.30） cm·s-1,Vm（16.50±5.50） cm·s-1,PI 0.70±0.11;BA：Vs（42.50±7.20） cm·s-1,Vd（22.50±6.90） cm·s-1,Vm（30.50±7.50） cm·s-1,PI 0.69±0.71].Conclusion Dual functional transcranial color Doppler ultrasound prov-ides a reliable evidence for the diagnosis of suspected vertebral-basilar artery insufficiency.