Objectives: The purpose of this study was to compare the efficacy of medical treatment with
percutaneous closure of patent foramen ovale (PFO). Background: Patients with cryptogenic …

Foramen ovale is an embryonic defect in the interatrial septum which allows passage of
oxygenated blood from the right atrium to the left atrium. 1, 2 In about 75% of the population …

Background The efficacy of closure of a patent foramen ovale (PFO) in the prevention of
recurrent stroke after cryptogenic stroke is uncertain. We investigated the effect of PFO …

Objectives: The present study was conducted to determine the safety of the transcatheter
closure of a patent foramen ovale (PFO) in patients with cryptogenic cerebral ischemia and …

This article has been corrected. The original version (PDF) is appended to this article as a
Supplement. Background: The optimal strategy for preventing recurrent stroke in patients …

Background The comparative effectiveness of percutaneous closure of patent foramen ovale
(PFO) plus medical therapy versus medical therapy alone for cryptogenic stroke is uncertain …

Nearly one-half of patients with cryptogenic stroke have a patent foramen ovale (PFO). The
dilemma of whether to close these PFOs percutaneously, in an effort to reduce the risk of …

Context The role of percutaneous closure of patent foramen oval (PFO) in patients with
cryptogenic stroke has been very controversial for years due to a lack of clear evidence …

Background: Recent reports showing the favorable role of patent foramen ovale (PFO)
closure in patients with cryptogenic stroke have raised the issue of selecting optimal …

Background In patients with cryptogenic stroke, transcatheter (TC) closure of a patent
foramen ovale (PFO) has not been shown to better prevent recurrent vascular events than …