• Eur J Cardiothorac Surg · Jun 2008

    Intraoperative device closure of large secundum atrial septal defects; a safe alternative to transcatheter closure.

    • Li Hongxin, Sheng Lijun, Zheng-jun Wang, Jie Zi, Wen-long Zhang, Hai-zhou Zhang, Guo Wenbin, and Cheng-wei Zou.
    • Department of Cardiovascular Surgery, Provincial Hospital Affiliated to Shandong University, No. 324 Jingwu Road, Jinan 250021, China.
    • Eur J Cardiothorac Surg. 2008 Jun 1; 33 (6): 1055-60.

    ObjectiveThe aim of this study is to report our short and mid-term results of intraoperative device closure (IODC) in large secundum atrial septal defects (ASD), to evaluate its safety and to determine the impact of 'short' rim on the results.MethodsSixty-eight patients with an ASD underwent IODC through a right minithoracotomy. Patients were divided into two groups: 37 patients in group I with one short rim (< or =5 mm) and 31 in group II with sufficient rims. A 2.5-3 cm parasternal incision was made in the right third or fourth intercostal space. A specially designed plastic sheath loaded with the device was inserted through the purse-string sutures placed on the right atrium. Under transesophageal echocardiographic guidance, it was advanced through the ASD into the left atrium and the device was deployed in place.ResultsThe procedure was successful in all patients. The maximum diameter of the ASD ranged from 20 to 37 mm (mean 25+/-5 mm). There were 16 patients with the diameter of ASD more than 30 mm. The mean size of implanted devices was 29+/-4mm. Redeployment with larger device occurred in seven patients in group I and three in group II (p>0.05). Intracardiac manipulation time was 22+/-10 min in group I and 16+/-11 min in group II (p<0.01). The total occlusion rate was 84% immediately after operation, 97% at 3 months, 98% at 1 year, and 100% at 2-, 3-, 4-year follow-up. There were no other late complications during the follow-up period of 3-63 months (mean 27+/-18 months).ConclusionsIODC is a safe and feasible technique in closing large ASDs. It has the advantages of cost savings, cosmetic results, and less trauma. Early and mid-term results are encouraging. In patients with ASD of a short rim, a larger device is recommended which does not influence the success rate of IODC.

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