Altered regional homogeneity in spontaneous cluster headache attacks: a resting-state functional magnetic resonance imaging study.

Background: Functional neuroimaging study has opened an avenue for exploring the pathophysiology of cluster headache (CH). The aim of our study was to assess the changes in brain activity in CH patients by the regional homogeneity method using resting-state functional magnetic resonance imaging technique.

Methods: The functional magnetic resonance imaging scans were obtained for 12 male CH patients with spontaneous right-sided headache attacks during "in attack" and "out of attack" periods and 12 age- and sex-matched normal controls.

[Effect of electroacupuncture on cortical spreading depression and plasma CGRP and substance P contents in migraine rats].

Objective: To observe the effect of electroacupuncture (EA) on cortical spreading depression (CSD) and contents of plasma calcitonin gene-related peptide (CGRP) and substance P (SP) in migraine rats.

Methods: Thirty male SD rats were equally randomized into control, model and EA groups. Migraine model was established by topical application of KCI (3 mol/L) immersed in a piece of filter paper to the cerebral cortex (parietal lobe, 6 mm posterior to the Bregma and 5 mm to the sagital fissure) after exposure of the skull (in reference to Michael' method).

[A retrospective study of clinical features of migraine].

Objective: To observe the clinical features of migraine based on out-patient clinic data and provide help for the diagnosis and treatment of migraine.

Methods: In a retrospective study of 309 patients with migraine, we investigated the clinical characteristics of migraine of both genders and different types, and the risk factors for MOH transformed from migraine.

Results: The female to male ratio was about 3:1, 76.