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Migraine headache relief after transcatheter closure of patent foramen ovale

Mark Reisman, MD^*, Ryan D. Christofferson, MD^*, Jill Jesurum, PhD^*,*, John V. Olsen, MD, FACC^*, Merrill P. Spencer, MD, Kimberly A. Krabill, MD^*, Lance Diehl, MD^*, Sheena Aurora, MD^* and William A. Gray, MD^*

^* Cardiovascular Research, Swedish Medical Center
Spencer Vascular Laboratories, Seattle, Washington

View larger version (20K): [in a new window]   Figure 1 Migraine headache relief by migraine subtype according to presence or absence of aura. Significant relief (Significant) = 50% reduction in monthly migraine frequency. No relief (None) = <50% reduction in monthly migraine frequency. Chi-square test = 0.40, p = 0.82 for the comparison between groups. Solid bars = migraine with aura (n = 38); ruled bars = migraine without aura (n = 12).