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对70例丛集性短暂脑缺血发作(CTIA)病人作了连续5年的观察。每个病人至少有过2次TIA,2次TIA之间的时间不短于24h。将病人按TIA持续时间分为3组:(A)连续数天发生TIA,每天仅有1次;(B)“枪击样”发作(gunshot);24h内有多次TIA发生;(C)“多发枪击样”发作(multiple-gunshot):连续数天(至少2天)发生“枪击样”发作。按临床表现
70 consecutive patients with transient ischemic attack (CTIA) were observed for 5 consecutive years. Each patient had at least 2 TIA, TIA between 2 times not less than 24h. Patients were divided into 3 groups according to TIA duration: (A) TIA occurred on consecutive days, only 1 time per day; (B) “gunshot” shots occurred; multiple TIA occurred within 24 hours; (C) Multiple-gunshot: A “shoot-like” attack occurs for several days (at least 2 days). According to clinical manifestations