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01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Journal of Cardiothoracic Surgery 1/2018

Clinical outcomes of a combined transcatheter and minimally invasive atrial septal defect repair program using a 'Heart Team' approach

Journal of Cardiothoracic Surgery > Ausgabe 1/2018
Shahrukh N. Bakar, Daniel J. P. Burns, Pantelis Diamantouros, Kumar Sridhar, Bob Kiaii, Michael W. A. Chu



Contemporary transcatheter and minimally invasive approaches allow for improved cosmesis and eliminate sternotomy; however, access to a ‘Heart Team’ approach to minimally invasive atrial septal defect (ASD) repair remains limited in Canada.


Retrospective chart review of all minimally invasive atrial septal defect repairs performed between 2009 and 2017 at a quaternary cardiac care centre were included. We compared residual shunt, functional status, periprocedural complications, and hospital lengths-of-stay between patients undergoing transcatheter and minimally invasive endoscopic ASD repair.


Between 2009 and 2017, 61 consecutive patients underwent ASD repair at a single centre: 28 patients underwent transcatheter closure (64.3% female; median age 57, interquartile range 43–70.5) and 33 patients underwent minimally invasive endoscopic repair (72.7% female; median age 37, interquartile range 24–50). Patient demographics were similar between the two groups with the exception of transcatheter patients having smaller defect size (1.65 cm versus 2.35 cm, p = 0.002). Procedural success was 93% (26/28) and 100% (33/33) for transcatheter and minimally invasive groups (p = 0.21), respectively. Periprocedural complications were similarly low between the two groups with the exception of longer hospital length-of-stay in the surgical patients (5 days vs 1 day, p < 0.0001). Over a follow-up period (transcatheter: 0.5–56.5 months, surgical: 0.25–89 months), there was no difference in residual shunt (14.3% versus 6.1%, p = 0.4) or NYHA I Functional Class (88.5% versus 96.9%, p = 0.21).


Transcatheter and minimally invasive approaches to ASD repair are safe and feasible in selected patients using a ‘Heart Team’ approach and represent attractive alternatives to median sternotomy.
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