vbi

VBI ( Vertical Blanking Interval) is a part of the limited resource of television, in which various digital signals can be inserted.

场消隐期作为电视有限资源的一部分，在其空余资源中可插入多种形式的数字信号，其开发潜力正逐渐为人们所重视。

Objective To explore the electronystagmography ( ENG) changes and their clinical significance in aged patients with vertebro-basilar insufficiency ( VBI).

目的探讨老年椎基底动脉供血不足性眩晕患者眼震电图的改变及其临床意义。

Methods: To analyze the clinical findings, accessory examination, treatment and outcome of 70 patients with VBI.

方法:分 析70例VBI患者临床表现 、 重要辅助检查 、 治疗及转归.

Objectives : To explore the diagnostic value of ENG, BAEP and TCD in patients with vertibrobasilar insufficiency ( VBI ).

目的: 探讨眼震电图(ENG) 、 脑干听觉诱发电位(BAEP) 及脑超声波(TCD ) 三项检查联合用于椎基底动脉供血不足 ( VBI)的诊断价值.

As a part of the limited resource of television, VBI ( Vertical Blanking Interval)′ s potency is emphasized by people gradually.

场消隐期作为应用电视有限资源的一部分，其开发潜力正逐渐为人们所重视。

Study on the Differential Diagnosis Value of ENG between MD and VBI

眼震电图在梅尼埃病和椎基底动脉供血不足鉴别诊断中的研究

Results The positive rate of TCD examination , DCCU, MRA , DSA and CTA were 71 %, 62 %, 60 %, 96 % and 92 % respectively.

结果VBI患者 TCD检查阳性率为71%, 颈部血管彩超阳性率为62%, 颅脑MRA阳性率为60%, DSA检查阳性率为96%,颅脑CTA阳性率为92%.

Agendas for Change examines the VBI process and assess the advantages it offers to organisations.

专业人士评估企业推行价值基础革新过程的优点.

Results 49 cases ( 75%) of the 65 VBI exist abnormal changes in CDFI. The most common abnormal changes are the ischemia and vertebra artery stenosis. The second are endarterium plaques and the increase of resistence index.

结果65例VBI患者49例（75%）存在CDFI椎动脉异常改变，最常见的异常改变为椎动脉缺血与狭窄，其次为动脉内膜斑块，阻力指数增高等改变。