偏头痛患者血小板MAO 活性的变化是复杂而矛盾的,本文目的旨在鉴别下述两类现象:其一是偏头痛发作期可能存在过去曾观察到的一过性改变;其二是可能有某些MAO 活性持续降低的病例。本研究包括无痛期头痛病人111例,分为四组:普通偏头痛、典型偏头痛、紧张性头痛和簇性头痛,按规定的方法测定血小板MAO 活性,并予对照 The changes of platelet MAO activity in patients with migraine are complex and contradictory. The purpose of this paper is to identify two types of phenomena: one is that there may be a transient change observed in the past during migraine attack; the other is that there may be some Some MAO activity continued to decline in the case. This study included 111 cases of painless headache patients, divided into four groups: common migraine, typical migraine, tension headache and cluster headache, according to the prescribed method for determination of platelet MAO activity and control