Abstract

A patent foramen ovale (PFO) is a common variant in cardiac anatomy found in 25% to 30% of U.S. adults. While PFOs are a normal part of fetal development and commonly seen in asymptomatic adults, they have been implicated in a variety of pathophysiologic conditions. The most clinically important of these is paradoxical embolization of venous thrombus resulting in stroke or systemic embolism. Various devices can be used to close PFOs via a transcatheter approach to prevent recurrent stroke. Data regarding the safety and effectiveness of these devices is rapidly evolving, with recent long-term results suggesting efficacy in preventing secondary stroke in carefully selected patients. This review discusses historical data on PFO occurrence and treatment, a risk score that can assess the likelihood of a stroke being attributable to a PFO, a variety of other conditions that may be linked to PFOs, and current research regarding the role transcatheter closure plays in their treatment.

Original languageEnglish (US)
Pages (from-to)152-159
Number of pages8
JournalMethodist DeBakey cardiovascular journal
Volume13
Issue number3
DOIs
StatePublished - Jul 1 2017

Keywords

  • cryptogenic stroke
  • intracardiac shunt
  • patent foramen ovale
  • transcatheter PFO closure

ASJC Scopus subject areas

  • Medicine(all)

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