Resolution of migraine headaches after transcatheter closure of patent foramen ovale
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Several studies have demonstrated a strong association between patent foramen ovale (PFO) and migraine headache with aura (MHA). Preliminary data have shown substantial improvements in MHA severity after transcatheter PFO closure. Giardini and colleagues, from Bologna University in Italy, sought to establish which factors lead to MHA in patients with PFO and assess the mechanisms through which MHA is resolved after PFO closure.
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