title: TIA Caused by Contrast Echocardiography in Patient with Platypnea-Orthodeoxia.
abstract: Platypnea-orthodeoxia syndrome (POS) is a rare clinical disorder characterized by dyspnea caused by the upright position and relieved at recumbent position. Few cases of POS and stroke were reported in literature, and the association between stroke and POS with evidence of patent foramen ovale (PFO) is rare. Stroke may occur in patients with cardiac shunt who undergo contrast echocardiography. We present a patient with POS who experienced transitory ischemic attack (TIA) most likely caused by injection of agitated saline microbubbles during screen for PFO. No case report of TIA/stroke during contrast echocardiography in patients with POS has previously been published.
authors.affiliation: Institute of Cardiology, University Hospital Pitie Salpetriere, Paris, France.|Cardiology Department, Clinical Hospital Zvezdara, Belgrade, Serbia.
authors.forename: Goran
authors.initials: G
authors.lastname: Loncar
authors.affiliation: Institute of Cardiology, University Hospital Pitie Salpetriere, Paris, France.
authors.forename: Laurent
authors.initials: L
authors.lastname: Payot
authors.affiliation: Department of Pneumology, University Hospital Pitie Salpetriere, Paris, France.
authors.forename: Mathieu
authors.initials: M
authors.lastname: Dubois
mesh_terms: D004417:Dyspnea / Q000000981:diagnostic imaging*; D004452:Echocardiography / Q000009:adverse effects*; D006801:Humans; D000860:Hypoxia / Q000000981:diagnostic imaging*; D002546:Ischemic Attack, Transient / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D011187:Posture; D013577:Syndrome
keywords: PFO; TIA; contrast echocardiography; platypnea-orthodeoxia syndrome