Prevalence of patent foramen ovale in a large series of patients with migraine with aura, migraine without aura and cluster headache, and relationship with clinical phenotype

@inproceedings{Volta2005PrevalenceOP,
  title={Prevalence of patent foramen ovale in a large series of patients with migraine with aura, migraine without aura and cluster headache, and relationship with clinical phenotype},
  author={Giorgio Dalla Volta and Michele Guindani and Paola Zavarise and Simona Griffini and Alessandro Pezzini and Andrew Padovani},
  booktitle={The Journal of Headache and Pain},
  year={2005}
}
A relationship between migraine and patent foramen ovale (PFO) has been observed in relatively small series of patients so far. Furthermore, the exact mechanism underlying such an association remains unknown. In the present study we determined the prevalence of PFO by contrast–enhanced transcranial Doppler (TCD) in a group of 260 patients with migraine with aura (MA+), 74 patients with migraine without aura (MA–), and 38 patients with cluster headache (CH). One–hundred–sixty–one MA+subjects (61… CONTINUE READING

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