BMJ case reports
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BMJ Case Rep
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Case Reports
Platypnea-orthodeoxia syndrome related to right hemidiaphragmatic elevation and a 'stretched' patent foramen ovale.
Patent foramen ovale (PFO), although frequently observed in adults, rarely causes adverse clinical consequences. The most serious among them, are cryptogenic strokes and less commonly significant hypoxia resulting from right-to-left shunt (RLS). ⋯ The RLS was associated with right hemidiaphragmatic elevation, without an increased interatrial pressure gradient. The patient was successfully weaned from the ventilator after the percutaneous closure of PFO through a catheter-deployed double-umbrella device, presenting a full recovery.