Clinical Efficacy of Acupuncture in the Treatment of Migraine Without Aura Patients with Patent Foramen Ovale

INTERVENTION: Control Group:Sham acupuncture;Observation Group:acupuncture; CONDITION: G43.009/Q21.1 Migraine Without Aura Patients with Patent Foramen Ovale PRIMARY OUTCOME: Numeric Rating Scale;Number of headache episodes;Average duration of headache episodes; SECONDARY OUTCOME: Visual Analog Scale;Migraine‐Specific Quality of Life Questionnaire;Self‐Rating Anxiety Scale; INCLUSION CRITERIA: (1) Meet the diagnostic criteria for migraine without aura; (2) Meet the diagnostic criteria for patent foramen ovale; (3) Migraine attacks occur at least twice a month; (4) Headache severity, NRS score = 4 points; (5) First migraine attack occurs before the age of 50 years; (6) Regardless of gender, age range 18 to 65 years; (7) Patients who refuse foramen ovale closure; (8) Voluntary participants in the study, signed the informed consent form and were able to complete the treatment as planned.