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椎基底动脉供血不足性眩晕多发生于中老年人,是眩晕门诊的常见病,其不同于血管部分或全部阻塞,所表现的临床征象常在5分钟内消失,不遗留任何征象,故临床上不易观察到阳性体征,多数患者往往在间歇期就诊,所以较难诊断。现报道BAEP与TCD测定血管内血流变化的关系。1 资料与方法1.1 资料 临床诊断为VBI患者86例,男50例,女36例,年龄38～69岁,平均53岁;病程3月至9年。VBI诊断依据:①眩晕持续时间仅数分钟,每日发作数次或数日发作1次,眩晕可为旋转性,或表现为平衡失调、不稳感、倾倒感、猝倒、共济失调等;②肢体无力、麻痹、运动欠灵活;③面部和(或)肢体麻木感、感觉缺失或感觉异常;④视力模糊或复视;⑤吞咽困难,构语障碍。具备第①项外,伴有②～⑤项中一项或一项以上的征象,同时经听力学、前庭功能检查,头颅CT扫描,排除其他原因所致的眩晕,可诊断为本病。
Vertebrobasilar insufficiency vertigo occurred in the elderly, is a common disease of vertigo clinic, which is different from some or all of the vascular obstruction, the clinical signs of the performance often disappear within 5 minutes, leaving no signs, it is clinically Not easy to observe the positive signs, most patients are often in intermittent treatment, it is more difficult to diagnose. Now reported BAEP and TCD determination of intravascular blood flow changes. 1 Materials and Methods 1.1 Data Clinical diagnosis of VBI in 86 patients, 50 males and 36 females, aged 38 to 69 years, mean 53 years; duration of 3 months to 9 years. VBI diagnosis is based on: ① dizziness duration of only a few minutes, several times a day attack or attack on the 1st several times, dizziness can be rotational, or manifested as imbalance, instability, sense of dumping, cataplexy, ataxia, etc. ; ② limb weakness, paralysis, exercise less flexible; ③ facial and (or) limb numbness, sensory loss or abnormal feeling; ④ blurred vision or diplopia; ⑤ dysphagia, dyslexia. With ①, in addition, with ② ~ ⑤ one or more of the signs, while audiology, vestibular function tests, head CT scan, excluding other causes of vertigo, can be diagnosed as the disease.