Catheterization and cardiovascular diagnosis
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Cathet Cardiovasc Diagn · Apr 1990
Case ReportsPlatypnea-orthodeoxia as a cause of unexplained hypoxemia in an 82-yr-old female.
We describe an 82-yr-old patient with platypnea-orthodeoxia without identifiable lung disease in whom the diagnosis was suspected because of clinical history, echocardiography, and orthostatic measurement of arterial blood gases. Recumbent and upright cardiac catheterization techniques confirmed the presence of orthostatic variation in the degree of right to left shunt across the fossa ovalis. This was successfully treated by surgical closure of the interatrial communication in the region of the fossa ovalis.
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We report three patients who had intravascular catheter fragments removed using an easily made snare device fashioned from a 0.038 inch movable-core J-wire and a multi-purpose catheter. The device is easily manipulated and facilitates safe removal of embolized catheters.