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We report our initial experience with a new 18 mm Amplatzer PFO device for the closure of small PFO. Patients were selected by a semiquantitative sizing procedure using the circle of a diagnostic pigtail catheter instead of a sizing balloon. In all eight patients, the device was easy to implant without problems. Due to its size, it has the potential to minimize the risk of inadvertent atrial erosion or perforation after deployment and thus will enhance the safety of interventional PFO closure.
Ewert et al. (Fri,) studied this question.