patent foramen ovale


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patent foramen ovale

PFO Cardiology An opening between the left and right atria which allows blood to bypass the lungs in utero; the FO normally closes shortly after birth, but remains open in up to 20%; a PFO is, in absence of other cardiac defects, is of no consequence

pa·tent for·a·men ova·le

(pa'tĕnt fōr-ā'mĕn ō-vā'lē)
Valvular incompetence of the patent foramen ovale of the heart; a condition contrasting with probe patency of the foramen ovale in that the valve of the foramen ovale has abnormal perforations in it, or is of insufficient size to afford adequate valvular action at the foramen ovale prenatally, or effect a complete closure postnatally.

patent foramen ovale

Persistence of the normal fetal opening in the internal wall of the heart (the FORAMEN OVALE) after birth.
References in periodicals archive ?
Echocardiographic evaluation of patent foramen ovale prior to device closure.
Henninger, "Prevalence of pelvic vein pathology in patients with cryptogenic stroke and patent foramen ovale undergoing MRV pelvis," Cerebrovascular Diseases, vol.
Thaler et al., "Closure of patent foramen ovale versus medical therapy after cryptogenic stroke," New England Journal of Medicine, vol.
Prothrombotic mutations as risk factors for cryptogenic ischemic cerebrovascular events in young subjects with patent foramen ovale. Stroke 2007; 38:2070-3.
Stroke-like symptoms may also develop from cerebral nitrogen bubble emboli in patients who have a paradoxical embolization via a patent foramen ovale or air embolization from pulmonary venous embolization after alveolar barotrauma [3].
V Franciosa, "Acute Renal Infarction With Heritable Coagulopathy and Patent Foramen Ovale," Radiology Case Reports, vol.
The diagnosis of postpneumonectomy syndrome or platypnea-orthodeoxia syndrome was ruled out in this patient (no dyspnea in the upright position and absence of a patent foramen ovale).
Structural abnormalities include atrial septal defects, ventricular septal defects, patent ductus arteriosus, and patent foramen ovale [7].
Previous research have suggested that patent ductus arteriosus and patent foramen ovale are present in 45% and 62% of full-term babies during their first 60 hours of life [11].
His transthoracic echocardiogram demonstrated a large highly mobile elongated mass consistent with thrombus (asterisk Figure 1(a)) in the right atrium which crosses the interatrial septum, presumably through a patent foramen ovale (arrow Figure 1(a)) into the left atrium.