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William H Ryan
Todd M Dewey
Syma L Prince
Michael J Mack
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Ann Thorac Surg 2002;75:1532-1534
© 2002 The Society of Thoracic Surgeons

Original article: cardiovascular

Safety and efficacy of minimally invasive atrial septal defect closure

William H Ryan, MDa,*, Jorge Cheirif, MDa, Todd M Dewey, MDa, Syma L Prince, RNa, Michael J Mack, MDa

a Cardiopulmonary Research Science and Technology Institute, Dallas, Texas, USA

Accepted for publication November 1, 2002.

* Address reprint requests to Dr Ryan, 8230 Walnut Hill Lane, Professional Building 3, Suite 208, Dallas, TX 75231, USA. (Email: whryanmd{at}yahoo.com).

Background: Atrial septal defects (ASDs) have been surgically closed with low mortality utilizing the conventional sternotomy approach (CSA). The technical ease of ASD closure has triggered interest in minimally invasive closure (MIC) to obviate the morbidity associated with sternotomy. Our study assesses the safety and efficacy of minimally invasive ASD closure.

Methods: Preoperative, intraoperative, and postoperative data were collected on 68 patients (39 CSA, 29 MIC) who underwent ASD closure from January 1997 to August 2002. Using univariate analysis of 17 preoperative risk factors there was no statistically significant difference between the two groups.

Results: MIC resulted in equivalent success rates in ASD closures, with similar morbidity, no mortality, and a significant difference in postoperative length of stay (3.93 ± 1.6 days versus 5.36 ± 2.51 days, p = 0.006).

Conclusions: In experienced hands, MIC is an excellent alternative to CSA in ASD closure.




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