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报告自行装配一套功能仪,改进其探头及适当增益计数率仪的输出讯号,提高了仪器的灵敏度,用较小剂量示综剂测定40名正常人和133例患者的脑血池通过时间(BTT)。BTT 明显延长者见于脑梗塞、脑出血和短暂性脑缺血等,而高血压脑病、脑肿瘤等则正常。检查方法简单、安全,无痛苦,并可短期内复查,特别对脑梗塞者,用以了解脑循环的恢复情况,有助于预后的估计。
The report assembled a self-function instrument to improve the output of its probe and the appropriate gain count meter to improve the sensitivity of the instrument, with a smaller dose showed a comprehensive agent determination of 40 normal subjects and 133 patients with cerebral blood pool passage time BTT). BTT significantly prolonged found in cerebral infarction, cerebral hemorrhage and transient ischemic, etc., and hypertensive encephalopathy, brain tumors are normal. Inspection methods are simple, safe, painless, and can be reviewed shortly, especially in patients with cerebral infarction, to understand the recovery of cerebral circulation, contribute to the estimation of prognosis.