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Rigshospitalet - a part of Copenhagen University Hospital
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Prevalence of right-to-left shunts on transcranial Doppler in chronic migraine and medication-overuse headache

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It was suggested that right-to-left shunt (RLS) may be highly prevalent in chronic migraine (CM) patients, indicating that patent foramen ovale (PFO) might be an aggravating and chronifying factor of migraine. Since a high proportion of chronic migraineurs also have medication-overuse headache (MOH), one may wonder if they have a more severe form of the disorder and more frequently a PFO.
Original languageEnglish
JournalCephalalgia : an international journal of headache
Volume34
Issue number1
Pages (from-to)37-41
Number of pages4
ISSN0333-1024
DOIs
Publication statusPublished - Jan 2014

ID: 39400330