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病例选择与药物用法用量均与“Ⅰ.临床疗效的观察”中所述的30例病人相同,于服用Car 前及服药后4周检查脑阻抗图以观察naculin 其疗效。方法应用上海第一医学院仪器厂BR_4型血流图仪进行检查。于检查前24小时病人停服一切药物。检查时先静坐10分钟,然后闭目,全身肌肉放松,除去头部佩戴的发夹等金属制品,采用坐位。正式描记前对脑阻抗图仪先行预热10分钟,以保证记录稳定,减少伪差。电极与导联额—乳突导联上采用长方形电极(2×3.5～4厘米),固定于前额眉上。圆碟状电极(直径1.5～2厘米)固定在耳后乳突上。枕—乳突导联时则将前额电极移至枕部。
Case selection and drug usage were the same as those described in “I. Clinical Efficacy Observations,” and the brains impedance test was performed before taking Car and 4 weeks after taking the drug to observe the efficacy of naculin. Methods Shanghai First Medical Instrument Factory BR_4 type blood flow meter for inspection. The patient stopped taking all drugs 24 hours before the examination. First check sit 10 minutes, then closed eyes, relax the whole body muscles, remove the head wearing hair clips and other metal products, the use of seats. Before the formal description of the brain impedance plotter warm-up first 10 minutes to ensure stable records and reduce artificial error. Electrodes and leads - The mastoid leads are rectangular electrodes (2 × 3.5 to 4 cm) secured to the brow of the forehead. Disc-shaped electrode (diameter of 1.5 to 2 cm) fixed in the ear papillae. Pillow - mastoid leads will move the forehead electrode to the occipital.