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  • Patent foramen ovale and unexplained ischemic cerebrovascular events in children
    Perković-Benedik, Mirjana ...
    Objectives: To consider the role of patent foramen ovale (PFO) in ischemic cerebrovascular event of unknown cause in children. Background: Data regardingthe possibility of paradoxical embolism in ... unexplained ischemic cerebrovascular event in children are lacking. Methods: Between January 2005 and March 2007, all consecutive children evaluated due to ischemic cerebrovascular event were included in the retrospective study. In addition tothe standard diagnostic protocol, a contrast transcranial Doppler (TCD) withValsalva maneuver (VM) was performed in patients with unexplained events. Percutaneous PFO closure was offered to all patients with ischemic cerebrovascular event of unknown cause and presumed paradoxical embolism. Results: Eighteen patients aged between 2 and 17 years (median 11.5 years) were included in the study: 12 patients suffered ischemic stroke and six with transient ischemic attack (TIA). In six patients, ischemic stroke was of unknown cause and contrast TCD with VM was positive in four of them. In addition, TCD study was positive in five patients evaluated because of TIA. Nine patients with presumed paradoxical embolism underwent an attempt at the percutaneous PFO closure. Conclusiona: It appears that the role of PFO in ischemic cerebrovascular event of unknown cause in children may be underestimated. Contrast TCD with VM is a sensitive, noninvasive method for PFO detection, proved in our experience particularly suitable for children. Inchildren with unexplained ischemic cerebrovascular event and presumed paradoxical embolism, percutaneous PFO closure should be considered.
    Vir: Catheterization and cardiovascular interventions. - ISSN 1522-1946 (Letn. 70, št. 7, 2007, str. 999-1007)
    Vrsta gradiva - članek, sestavni del
    Leto - 2007
    Jezik - angleški
    COBISS.SI-ID - 26227161
    DOI

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