Transcatheter closure of secundum atrial septal defects and fenestrated Fontan using the Amplatzer septal occluder: Initial prospective study
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.
| Main Authors: | , , , , , |
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| Format: | Digital revista |
| Language: | English |
| Published: |
Instituto Nacional de Cardiología Ignacio Chávez
2003
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| Online Access: | http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1405-99402003000300003 |
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| Summary: | 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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