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目的通过二个年龄组分析探讨老年蛛网膜下腔出血的特点。方法对老年组３８例（５４．３％），非老年组３２例（４５．７％）进行临床分析、比较。结果７０例患者中年龄多布于６０～６９岁，３０～４９岁。老年组２０例（５２．６％）有高血压史，非老年组７例（２１．９％）。病程中出现头痛老年组２５例（６５．８％）非老年组３０例（９３．８％）。昏迷起病老年组１１例（２８．９％），非老年组６例（１８．８％），前者其中死亡７例（６３．６％），后者１例（１６．７％）。老年组并发症多达３５例次，非老年组１４例次。前者死亡１９例（５０％），后组７例（２１．９％）。复发率老年组３例（７．９％），低于非老年组６例（１８．８％），但复发后的死亡率高于非老年组，预后差。结论老年蛛网膜下腔出血发生率高于中青年，头痛症状发生少，意识障碍多见，并发病多，死亡率高，复发低，一旦发生，死亡率高，预后差。
Objective To analyze the characteristics of elderly patients with subarachnoid hemorrhage by two age groups. Methods The clinical data of 38 elderly patients (54.3%) and 32 non-elderly patients (45.7%) were analyzed and compared. Results 70 cases of patients in the age of more than 60 to 69 years old, 30 to 49 years old. Elderly group of 20 patients (52.6%) had a history of hypertension, non-elderly group of 7 patients (21.9%). Headache in the course of the disease in 25 elderly patients (65.8%) non-elderly group of 30 patients (93.8%). Eleven patients (28.9%) were in the comatose onset and 6 (18.8%) patients in the non-elderly group, of whom 7 (63.6%) died and 1 (16.7%) died. There were 35 cases of complications in the elderly group and 14 cases in the non-elderly group. The former died in 19 cases (50%), the latter group in 7 cases (21.9%). The relapse rate was lower in the elderly group (7.9%) than in the non-elderly group (6) (18.8%), but the mortality after the relapse was higher than that in the non-elderly group and the prognosis was poor. Conclusions The incidence of subarachnoid hemorrhage in elderly patients is higher than that in middle-aged and young people. There are few headache symptoms, more common disturbance of consciousness, high incidence of death, high recurrence rate, high incidence of death and poor prognosis.