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Published on: June 2, 2014
Correlation or causation: untangling the relationship between patent foramen ovale and migraine
Eric Adler1, Barry Love, Steve Giovannone
1The Mount Sinai School of Medicine, 1 Gustave L. Levy Place, Box 1030, New York, NY 10029, USA.
Abstract:
Observational evidence from the literature has shown an association between migraine headaches and patent foramen ovale (PFO). This observation has led to hypotheses that could explain the etiology of migraines in those with a PFO, including right-to-left shunting of venous agents such as serotonin that are normally broken down in the pulmonary circulation. Further evidence suggests that closure of a PFO may improve migraine symptoms and serve as an effective treatment modality for migraines. Several randomized controlled double-blinded studies are underway that will more definitively establish the role of specific devices in PFO closure in those suffering from migraines.
Insights
Migraine headaches are linked to patent foramen ovale (PFO). Closing a PFO may improve migraine symptoms, with ongoing studies evaluating device effectiveness for this condition.
Area of Science:
- Cardiology
- Neurology
- Medical Devices
Background:
- Observational studies suggest a correlation between migraine headaches and patent foramen ovale (PFO).
- Hypotheses propose that right-to-left shunting through a PFO may contribute to migraine etiology, potentially by allowing venous agents like serotonin to bypass pulmonary circulation.
- Emerging evidence indicates that PFO closure might alleviate migraine symptoms and serve as a therapeutic intervention.
Purpose of the Study:
- To investigate the association between patent foramen ovale (PFO) and migraine headaches.
- To explore the potential of PFO closure as a treatment for migraines.
- To evaluate the efficacy of specific devices in PFO closure for migraine patients.
Main Methods:
- Review of existing observational literature.
- Formulation of etiological hypotheses regarding PFO and migraine.
- Ongoing randomized controlled double-blinded studies evaluating PFO closure devices.
Main Results:
- Literature indicates an association between migraine and PFO.
- Hypothesized mechanisms involve right-to-left shunting of substances like serotonin.
- Preliminary evidence suggests PFO closure may improve migraine symptoms.
Conclusions:
- A link exists between patent foramen ovale and migraine headaches.
- PFO closure is a potential treatment modality for migraines.
- Further research through randomized controlled trials is necessary to confirm the role of PFO closure devices in migraine management.
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