Abstract
To evaluate the short- and long-term clinical and echocardiographic outcomes of the percutaneous closure of the patent foramen ovale (PFO) with an atrial septal aneurysm (ASA) using 2 different devices. We enrolled 100 patients with PFO and ASA. Fifty consecutive patients had transcatheter closure of the PFO with the Gore Cardioform septal occluder (GSO) (Gore Medical) and a second group of 50 consecutive patients with the Amplatzer PFO occluder (APO) (Abbott). A clinical and transthoracic echocardiographic follow-up was performed at 1, 3, 6, and 12 months after the implant procedure. The primary endpoint was the incidence of moderate-to-severe residual right-to-left shunting (rRLS) at the 6-month follow-up. The procedural results and the recurrence of embolic events at 1 year were also investigated. The procedure was successful in all patients. The immediate postprocedural moderate-to-severe rRLS incidence was similar between the 2 groups (GSO 14% vs APO 12%; P=NS) as well as the incidence of moderate-to-severe rRLS at the 6-month follow-up (GSO 4% vs APO 4%; P=non-significant). In only 1 patient of the GSO group, there was a persistent moderate rRLS at the 1-year follow-up. The 6-month and 1-year complete occlusion rate for all subjects was 93% and 96%, respectively. No devices embolized and no death or recurrent embolic events were observed during hospitalization through the 1-year follow-up. GSO and APO devices appear to be safe and effective devices for the percutaneous closure of a PFO with ASA, showing similar results for the presence of rRLS at the 6-month follow-up, complete occlusion rate, and clinical embolic recurrences.
Published Version
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