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PFO Closure

Patent foramen ovale (PFO) is an embryonic defect, seen in up to 25% of adults¹, that has been associated with increased risk of ischemic, cryptogenic stroke. It is defined as an opening in the septum between the atria that acts as a conduit for emboli from the deep veins of the pelvis or legs to the brain. Closure of a PFO may prevent paradoxical embolus from passing through a PFO and thereby reduce the risk of recurrent stroke.

Amplatzer 2x

PFO closure is a same-day, out-patient procedure performed under general anesthesia or conscious sedation in a heart catheterization laboratory. The catheter-based procedure involves making a very small skin incision, guided by fluoroscopy and intracardiac echocardiography, typically in the right groin area, and inserting a catheter to guide the Amplatzer™ PFO Occluder through the blood vessels to close the PFO within the patient’s heart.

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Over 130,000 patients treated worldwide²

Patients were first treated with the Amplatzer™ PFO Occluder in 1997. Over two decades later, over 130,000 patients have been treated worldwide.²

  1. Kent, D.M and Thaler, D.E. Is Patent Foramen Ovale a Modifiable Risk Factor for Stroke Recurrence? Stroke, 2010. DOI:10.1161/STROKEAHA.110.595140.
  2. Internal data. Data on-file at Abbott.
MAT-2003153 v2.0 | Item approved for U.S. use only.

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