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目的：探讨老年人迟发性癫 发作的临床及脑电图特点。方法：回顾性分析８０例老年人迟发性癫 的临床及脑电图资料。结果：癫 发作的可能原因为脑血管病４１例（脑梗死３０例、脑出血１１例），脑肿瘤１９例，脑外伤 ４例，脑萎缩 ８例。癫 发作的类型为全身强直阵挛发作 ４８例；强直阵挛发作持续状态２例，失神发作６例，单纯运动性发作１７例，单纯体感性发作７例。脑电图正常７例，异常７３例。异常脑电图主要表现为弥漫性慢波活动２２例，局限于一侧半球的慢波活动３４例，散在或阵发性棘波、尖波或棘慢、尖慢综合波４９例。结论：脑血管病（脑梗死、脑出血）、脑肿瘤是老年迟发性癫 发作的主要原因。癫 发作以全身强直阵挛发作为主。脑电图异常率高，主要表现为在弥漫性慢波活动基础上出现癫 样放电。
Objective: To investigate the clinical and electroencephalographic features of delayed onset epilepsy in the elderly. Methods: Clinical and EEG data of 80 elderly patients with delayed epilepsy were retrospectively analyzed. Results: The possible causes of epileptic seizure were cerebrovascular disease in 41 cases (30 cases of cerebral infarction and 11 cases of cerebral hemorrhage), 19 cases of brain tumor, 4 cases of traumatic brain injury and 8 cases of brain atrophy. The type of epileptic seizures were 48 cases of generalized tonic clonic seizures; 2 cases of tonic clonic seizures in continuous state, 6 cases of absence seizures, 17 cases of simple motor attacks, and 7 cases of somatosensory seizures. EEG normal in 7 cases, abnormal 73 cases. Abnormal EEG mainly manifested as diffuse slow wave activity in 22 cases, confined to the side of the hemisphere in 34 cases of slow wave activity, scattered or paroxysmal spikes, sharp waves or spine slow, sharp slow combination of 49 cases. Conclusion: Cerebrovascular disease (cerebral infarction, cerebral hemorrhage) and brain tumor are the main causes of delayed onset epilepsy in the elderly. Epilepsy with tonic-clonic seizures as the main body. EEG abnormal rate is high, mainly manifested as diffuse slow wave activity based on the epileptiform discharge.