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- Jonathon M White, Andrew G Veale, and Peter N Ruygrok.
- Green Lane Cardiovascular Service, Level 3, Auckland City Hospital, Private Bag 92024, Auckland 1030, New Zealand. jonathonw@adhb.govt.nz
- J Invasive Cardiol. 2013 Aug 1; 25 (8): E169-71.
AbstractObstructive sleep apnea (OSA) and patent foramen ovale (PFO) are common conditions and may coexist. In patients with OSA, increases in right-to-left shunting across a PFO may result in increased burden of hypoxia, although the effect of this is unknown. We report the cases of 3 patients with highly symptomatic OSA and PFO who underwent percutaneous closure with the Coherex FlatStent PFO Closure System. Although PFO closure can be achieved with minimally invasive techniques and low rates of adverse events, its importance in reducing hypoxia in this population is unknown. PFO closure may result in improvement in apneas and symptoms in selected OSA patients and may impact cardiovascular events in this group through hypoxia-mediated or other unrecognized mechanisms.
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