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SAFETY AND EFFICACY OF TRANSCATHETER CLOSURE OF ATRIAL SEPTAL DEFECT FOR PATIENTS WITH DEFICIENT AORTIC RIM UNDER INTRACARDIAC ECHOCARDIOGRAPHIC GUIDANCE
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Abstract
Background: Although transcatheter closure of atrial septal defect is safe and effective for patients with sufficient rim, atrial septal defect patients with deficient aortic rim have higher risks of device embolization and cardiac erosion. Now, with the development of intracardiac echocardiography, it helps to avoid such serious complications during the procedure. However, efficacy and safety remain unclear. Objective: Evaluating the safety and efficacy of transcatheter closure of atrial septal defect for patients with deficient aortic rim under intracardiac echocardiographic guidance. Subjectives and method: 37 patients with atrial septal defect with deficient aortic were treated at the cardiovascular centre, Cho Ray Hospital. The prospective, open label, non-randomized, longitudinal study. Result: 37 patients had mean age of 41.27 ± 11.34 years old (23 – 62 years), female 81.08%. The mean diameters of the atrial septal defect were 23.51 ± 4.64 mm (transesophageal echocardiography) and 27.45 ± 4.81 mm (intra-chamber echocardiography) with P<0.001. The mean diameter of the device is 29.81 ± 4.92 mm (18 – 39 mm). All patients were evaluated after the procedure, 1 month and 6 months, recording 100% of the cases technically successful. We followed up in-hospital patients and recorded 01 case of atrial fibrillation (1.82%) who were successfully converted and maintained sinus rhythm during follow-up; In addition, no other adverse events were recorded at 3 months. After a 3-month follow-up period, we recorded patients with improved dyspnea according to NYHA class as well as the right ventricular diameter and pulmonary artery pressure on echocardiography. Conclusion: Transcatheter closure of atrial septal defect for patients with deficient aortic rim under intracardiac echocardiographic guidance is probably safe and effective
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Keywords
atrial septal defect, deficient aortic rim, intracardiac echocardiography
References
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