Key Points There are approximately 47% of patients with drug‐resistant epilepsy (DRE) having right‐to‐left shunt (RLS), with a nonsignificant trend toward higher prevalence than non‐DRE.
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Key Points There are approximately 47% of patients with drug‐resistant epilepsy (DRE) having right‐to‐left shunt (RLS), with a nonsignificant trend toward higher prevalence than non‐DRE.