Quantitative Analysis of Pulmonary Right-to-Left Shunts and Patent Foramen Ovale via Agitated Saline Contrast Transesophageal Echocardiography: Associations With Migraine, Cryptogenic Stroke, and Transient Ischemic Attack.

This research examined the relationship between specific heart conditions and migraines. It focused on two types of right-to-left shunts in the heart: patent foramen ovale (PFO) and pulmonary right-to-left shunt (P-RLS). Researchers studied 302 patients suspected of having these shunts using a special imaging method called contrast transesophageal echocardiography (cTEE). The study aimed to see how these shunts relate to migraines, cryptogenic strokes, and transient ischemic attacks. The researchers found that PFO-RLS is often associated with migraines and stroke conditions, but the role of P-RLS is less clear. Understanding these associations could help improve treatments for patients suffering from these conditions. The findings suggest a need for further research into how these heart issues may influence migraine development and treatment options for affected individuals. Clinical relevance: This study highlights the potential link between heart shunts and migraines, suggesting that addressing these shunts may improve migraine management for some patients.