‘Side Locked’ Migraine and Trigeminal Autonomic Cephalgias: Evidence for Clinical Overlap

This paper will discuss evidence which supports a link between ‘side locked’ migraine (SLM) and the trigeminal autonomic cephalgias (TACs). Recent papers brought strictly unilateral primary headaches into focus, proposing new classification and discussing pathophysiological mechanisms. We reviewed t...

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Bibliographic Details
Published in:Cephalalgia 2003-02, Vol.23 (1), p.43-49
Main Authors: Kaup, AO, Mathew, NT, Levyman, C, Kailasam, J, Meadors, LA, Villarreal, SS
Format: Article
Language:English
Subjects:
Animals
Autonomic Nervous System Diseases - classification
Autonomic Nervous System Diseases - diagnosis
Autonomic Nervous System Diseases - physiopathology
Brain - blood supply
hemicrania continua
Humans
Migraine Disorders - classification
Migraine Disorders - diagnosis
Migraine Disorders - physiopathology
migraine with autonomic features
Reflex, Abnormal - physiology
Side locked migraine
trigeminal autonomic cephalgias
Trigeminal Neuralgia - classification
Trigeminal Neuralgia - diagnosis
Trigeminal Neuralgia - physiopathology
Vasodilation - physiology
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Summary:This paper will discuss evidence which supports a link between ‘side locked’ migraine (SLM) and the trigeminal autonomic cephalgias (TACs). Recent papers brought strictly unilateral primary headaches into focus, proposing new classification and discussing pathophysiological mechanisms. We reviewed those proposals and present evidence that SLM falls in between the well-defined TACs and side shifting migraine (SSM). It is difficult to differentiate SLM from the recently proposed headache subtype called hemicrania generis incerti (i.e. hemicrania continua unresponsive to indomethacin). We also present cases that may exemplify the considerations made in the paper.
ISSN:0333-1024
1468-2982
DOI:10.1046/j.1468-2982.2003.00451.x