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2003, Number 3

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Arch Cardiol Mex 2003; 73 (3)

Transcatheter closure of secundum atrial septal defects and fenestrated Fontan using the Amplatzer septal occluder. Initial prospective study

C Alva, F David, J Ortegón, A Sánchez, D López, M Ledesma

Language: English
References: 16
Page: 185-189
PDF size: 68.11 Kb.


ABSTRACT

Objective: To evaluate the safety and efficacy of transcatheter closure of secundum atrial septal defects and fenestrated Fontan with the Amplatzer septal occluder. Methods: Fifteen consecutive patients, with a significant interatrial communications, were considered for the procedure; four patients with defects that were too large or with deficient margins were excluded after initial transesophageal echocardiography. Results: Eleven procedures were performed in 11 patients (10 atrial septal defects and 1 fenestrated Fontan) aged 9 to 38 years, mean 17.7 ± 9 years; body weight 30 to 87 kg, mean 51.4 ± 16. The stretched balloon diameter of the defects ranged from 8 to 28 mm, mean 18.8 ± 6.9; the diameter of the devices ranged from 10 to 30 mm, mean 20.8 ± 6. Immediate total occlusion rate was 18.1%, rising to 63.6% after 24 hours. Total occlusion rate at one month reached 100%. Severe transient sinus bradycardia in one (9%) was the only complications. At follow-up (10 to 26 months, mean 13.2 ± 5.0) all patients remain asymptomatic with no residual shunt. Conclusions: The Amplatzer septal occluder is very efficient and offered interventional interatrial communications closure in 100% of our group of consecutive patients with excellent intermediate results.


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