The PFO closure procedure will take place in a heart catheterization laboratory, where minimally invasive procedures are performed. Print, sign, and fax the form to the Medical Examiner's Office.Please review each form for directions and fax information. The surgeons at our adult congenital heart center perform patent foramen ovale closures and actively research innovative techniques to treat the condition. Patent foramen ovale closure is a procedure to close a hole in the heart. We use minimally invasive approaches to treat PFO without open-chest surgery. PFO closure is done with cardiac catheterization. A PFO closure is a procedure that can help lower the risk of a stroke for some people. Clinical differentiation of patent foramen ovale and secundum atrial septal defect: a survey of pediatric cardiologists in Dallas,. Introduction: Fat embolism (FE) is frequently seen several hours to days following trauma, especially long bone and pelvic fractures, though it can.