Abstract
Plasma samples were assessed from 103 women with chronic migraine, 31 controls, 43 women with episodic migraine, and 14 patients with episodic cluster headache. Increased CGRP level measured in peripheral blood outside migraine attacks and in the absence of symptomatic medication could be a biomarker aiding the diagnosis of chronic migraine. See p. 1191; Editorial, p. 1184 The authors performed a clinicoserologic study of 163 patients with neuromyelitis optica. Cell-based assays were most sensitive for AQP4-IgG detection; further, the timing of blood draws and immunosuppressant therapy influenced serostatus. Disability outcome was more favorable for patients in the …
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