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Int J Cardiol. 2014 Mar 1;172(1):109-14. doi: 10.1016/j.ijcard.2013.12.144. Epub 2014 Jan 8.

Long-term cost-effectiveness of transcatheter versus surgical closure of secundum atrial septal defect in adults.

Author information

1
McGill Adult Unit for Congenital Heart Disease Excellence (MAUDE Unit), McGill University Health Centre, Canada.
2
Technology Assessment Unit, McGill University Health Centre, Canada.
3
Department of Medicine, McGill University, Canada; Department of Epidemiology & Biostatistics, McGill University, Canada.
4
Division of Clinical Epidemiology, McGill University Health Centre, Canada.
5
McGill Adult Unit for Congenital Heart Disease Excellence (MAUDE Unit), McGill University Health Centre, Canada. Electronic address: ariane.marelli@mcgill.ca.

Abstract

BACKGROUND:

The most common congenital anomaly in adults is secundum, which can be closed using a surgical or transcatheter approach. Despite the growing use of transcatheter ASD closure, few studies have examined the cost-effectiveness of this strategy. We sought to compare the long-term cost effectiveness of transcatheter and surgical closure of secundum in adults.

METHODS:

A decision-analytic model was used with all clinical outcome parameter estimates obtained from the province-wide Québec Congenital Heart Disease Database. Costs were obtained from a single academic centre (Canadian dollars). A cost-effectiveness analysis using a discrete event Monte Carlo simulation model from the perspective of a single third party payer and multiple sensitivity analyses were performed. Patients were followed for a maximum of 5 years after ASD closure.

RESULTS:

Between l998 and 2005, we identified 718 adults (n=335 transcatheter; n=383 surgical) who underwent ASD closure in Quebec. The 5-year cost of surgical closure was $15,304 SD $4581 versus $11,060 SD $5169 for the transcatheter alternative. At 5 years, transcatheter closure was marginally more effective than surgery (4.683 SD 0.379 life-years versus 4.618 SD 0.638 life-years). Probabilistic sensitivity analyses demonstrated that transcatheter ASD closure was a dominant strategy with an 80% probability of cost savings and equal or greater efficacy compared to surgical treatment.

CONCLUSION:

Although definitive conclusions are limited given the observational nature of the primary data sources, transcatheter ASD closure appeared to be a cost-effective strategy associated with slightly improved clinical outcomes and reduced costs compared to surgical closure at 5-years follow-up.

KEYWORDS:

Adult congenital heart disease; Atrial septal defect; Cost-effectiveness; Surgery; Transcatheter

PMID:
24485223
DOI:
10.1016/j.ijcard.2013.12.144
[Indexed for MEDLINE]
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