偏头痛和丛集性头痛是血管型头痛。
俄亥俄州的克里夫兰医院说丛集性头痛比偏头痛更频繁疼痛的。
The Cleveland Clinic in Ohio says the cluster headache can be many times more intense than a migraine.
询问任何一个丛集性头痛的患者，他们都会告诉你这种疼痛是很可怕的。
Ask anyone with a cluster headache, and they will tell you that the pain is terrible.
方法：本研究前瞻性连续观察头痛门诊的偏头痛患者和丛集性头痛患者。
METHODS: This study prospectively recruited consecutive migraine and ch patients treated at a headache clinic.
偏头痛，即严格意义上的单侧头痛，脑自主神经症状的出现会造成与丛集性头痛诊断的混乱。
For migraine with strictly unilateral headache, the presence of CAS might cause diagnostic confusion with ch.
结论：目前有一半的偏头痛患者的有脑自主神经症状，这一临床特征可能有助于区分偏头痛和丛集性偏头痛。
CONCLUSIONS: CAS were present in half of our migraine patients and the clinical features may help differentiate migraine from CH.
结论：目前有一半的偏头痛患者的有脑自主神经症状，这一临床特征可能有助于区分偏头痛和丛集性偏头痛。
CONCLUSIONS: CAS were present in half of our migraine patients and the clinical features may help differentiate migraine from CH.
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