Migraine trigger point deactivation surgery is a treatment option for patients with chronic migraine. The International Headache Society defines chronic migraine as those patients who during a period of at least 3 months have more than 15 days of headache, of which at least 8 days have migraine characteristics. [zh] 偏头痛停用触发点手术是慢性偏头痛患者的治疗选择。国际头痛协会将慢性偏头痛定义为那些在至少三个月的时间内头痛超过15天，这其中至少8天具有偏头痛特征的患者
