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目的：探讨脑脊液置换法治疗继发性蛛网膜下腔出血（SAH）的临床意义。方法：采用脑脊液置换法治疗继发性SAH31例和原发性SAH29例。结果：两组43例置换1l－3次头病等症状缓解，12倒置换4－5次后头痛等症状减轻好转，死亡4例。总有效率治疗组90％，对照组93％，两组差异无显著性意义（P＞0．05）。结论：两组置换血性脑脊液有同等的临床疗效，均能降低颅内压，改善脑脊液循环，清除脑血管活性物质，防止脑血管痉挛，减少蛛网膜粘连，降低病死率。
Objective: To investigate the clinical significance of cerebrospinal fluid replacement in the treatment of secondary subarachnoid hemorrhage (SAH). Methods: Thirty - one cases of secondary SAH and 29 cases of primary SAH were treated by CSF replacement. Results: Symptoms of head replacement were relieved in 43 cases in both groups, and headache and other symptoms were alleviated in 4 to 5 cases after 12 inverted replacements, with 4 deaths. The total effective rate was 90% in the treatment group and 93% in the control group, with no significant difference between the two groups (P> 0.05). Conclusion: The two groups of transfusional CSF have the same clinical curative effect. All of them can reduce intracranial pressure, improve cerebrospinal fluid circulation, clear cerebral vasoactive substances, prevent cerebral vasospasm, reduce arachnoid adhesions and reduce mortality.