Factors associated with shunt dynamic in patients with cryptogenic stroke and patent foramen ovale: an observational cohort study

摘要

BackgroundAs previously reported there is evidence for a reduction in right to left shunt (RLS) in stroke patients with patent foramen ovale (PFO). This occurs predominantly in patients with cryptogenic stroke (CS). We therefore analysed factors associated with a shunt reduction on follow-up in stroke patients suffering of CS.