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  • Title: Patent foramen ovale in children with migraine headaches.
    Author: McCandless RT, Arrington CB, Nielsen DC, Bale JF, Minich LL.
    Journal: J Pediatr; 2011 Aug; 159(2):243-7.e1. PubMed ID: 21450305.
    Abstract:
    OBJECTIVE: To determine the prevalence of patent foramen ovale (PFO) in children with migraine. STUDY DESIGN: Children aged 6.0 to 18.0 years with migraine headache were evaluated for PFO and right-to-left shunting with color-flow Doppler scanning, saline solution contrast transthoracic echocardiography, and contrast transcranial Doppler scanning. RESULTS: The population consisted of 109 children with migraine; 38 (35%) with aura and 71 (65%) without aura. The overall PFO prevalence was 35%, similar to the general population (35% vs 25%; P = .13). However, compared with the general population (25%), the PFO prevalence was significantly greater in subjects with aura (50%, P = .0004) but similar in those without aura (27%, P = .73). Atrial shunt size was not associated with the presence or absence of aura. CONCLUSION: Children with migraine with aura have a significantly higher prevalence of PFO compared with those without aura or the general population. These data suggest that PFO may contribute to the pathogenesis of migraine with aura in children and have implications for clinical decision making.
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