Abstract
BackgroundThis study describes the authors’ experience with a limited balloon atrial septostomy technique, using a median balloon size of 15 mm, as a left ventricular (LV) unloading strategy in venoarterial extracorporeal membrane oxygenation (VA-ECMO). There has been increasing use of VA-ECMO in cardiogenic shock. Although LV unloading strategies have been suggested to improve outcomes, it is unclear which strategy is optimal. Methods and ResultsWe performed a retrospective study of patients who underwent a limited balloon atrial septostomy for LV unloading in peripheral VA-ECMO at a single center. The goal of this study was to define the procedural outcomes and clinical characteristics of these patients. Of the 12 patients identified, none had complications related to the procedure. There was a significant decrease in the mean left atrial pressure and the majority of patients had radiologic improvement in pulmonary vascular congestion. Of the 12 patients, 58.3% survived to discharge. ConclusionsLimited BAS is an elegant and safe method for unloading the LV in peripheral VA-ECMO.
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