椎－基底动脉供血不足经颅多普勒超声与临床

A STUDY IN TRANSCRANIAL DOPPLER SONOGRAPHY AND CLINIC OF VERTEBROBAS INSUFFICIENCY

对１１７例ＶＢＩ病人进行ＴＣＤ检测，异常率为７６．１％，高于文献报道［１］。１１７例中男６３例，女５４例，平均年龄４７．３岁。其中Ｖ－ＢＡ痉挛４４例，狭窄２１例，血流缓慢２４例。Ｖ－ＢＡ痉挛多发生于青壮年，占９１％（４０／４４）；Ｖ－ＢＡ狭窄或血流缓慢多发生于老年人或老年前期病人，占９３．３％（４２／４５）。其发病机制不一样。对其ＴＣＤ特点及其与临床的关系进行了讨论。

patients with vertebrobasilar insufficiency(VBI)were detected with transcranial doppler sonography(TCD),the abnormal rate was 76.1%.Among them,44 cases were V-BA spasm, 21 were V-BA stenosis,24 were V-BA slow blood flow rate.V-BA spasm are found in young women and men more than old men and women(91.0%)while V-BA stenosis or slow blood flow rate are more in old(93.3%).Their mechanisms are different. We discussed their characteristics in TCD and the correlations between TCD and clinic.