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目的:观察定期无偿献血防治头痛发作的效果。方法:每间隔0.5 a定期无偿献血一次,每次献血400 ml。结果:总有效率92.15%。结论:定期无偿献血防治头痛效果显著。
Objective: To observe the effect of regular blood donation to prevent headache attack. Methods: Every 0.5 a regular blood donation once, each blood donation 400 ml. Results: The total effective rate was 92.15%. Conclusion: Regular blood donation to prevent headache has a significant effect.