Clinical guidelines agree that preventive treatment should be considered in patients with uncontrolled migraine despite acute medications or patients with ≥4 migraine days per month. However, the criteria to define the effectiveness of treatment and the factors that inform the decision to (dis)continue it are not clearly defined in clinical practice.

中文翻译：

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神经科医生确定偏头痛预防药物的有效性并做出治疗决定的相关因素。My-LIFE 欧洲德尔福调查

临床指南一致认为，对于尽管使用急性药物治疗仍无法控制的偏头痛患者或每月偏头痛天数≥4 天的患者，应考虑预防性治疗。然而，定义治疗有效性的标准和决定（停止）继续治疗的因素在临床实践中没有明确定义。