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Treatment of atrial septal defects in symptomatic children aged less than 2 years of age using the Amplatzer septal occluder

Published online by Cambridge University Press:  19 August 2008

Michael Vogel
Affiliation:
Grown Up Congenital Heart Department, Middlesex HospitalLondon, UK
Felix Berger
Affiliation:
Department of Congenital Heart Disease, Deutsches Herzzentrum Berlin, Berlin, Germany
Ingo Dähnert
Affiliation:
Department of Congenital Heart Disease, Deutsches Herzzentrum Berlin, Berlin, Germany
Peter Ewert
Affiliation:
Department of Congenital Heart Disease, Deutsches Herzzentrum Berlin, Berlin, Germany
Peter E. Lange
Affiliation:
Department of Congenital Heart Disease, Deutsches Herzzentrum Berlin, Berlin, Germany

Abstract

Aims

To assess results of closure of atrial septal defects within the oval fossa by devices delivered by catheterisation in symptomatic infants and children under 2 years of age.

Methods and results

The Amplatzer septal occluder was used. Results, and complications of transcatheter device treatment in patients aged below 2 years were compared to previous results from our institution.

Patients

We attempted closure in 12 consecutive patients below the age of 2 years who presented with an atrial septal defect between May 1997 and 1999. Symptoms were failure to thrive in 6, frequent chest infections in 5, and the need for treatment of heart failure in the other. All were thought to have a defect suitable for interventional closure. The atrial defects were seen in isolation in 10 children, but 2 had associated pulmonary stenosis which had been treated by balloon dilation prior to placement of the Amplatzer occluder.

Results

The Amplatzer septal occluder was implanted at a mean age of 1.4 ± 0.4, with a range from 0.8 to 1.8 years. Ratios of pulmonaryto-systemic flow had been 2.1 ± 0.5, with a range from 1.6 and 3.2, and the defect was measured at 12 ± 4 mms. Fluoroscopy time was 12.8 ± 10.2 minutes, with a range from 5 to 43 minutes, and the time of the overall procedure was 162 ± 70 minutes, with a range from 85 to 360 minutes. It proved necessary to remove the device in 2 patients (16%) because of a residual shunt and movement after release. One of these developed transient neurological complications. Both subsequently underwent surgical treatment.

Conclusion

Symptomatic patients less than 2 years of age can undergo successful closure of an atrial septal defect using the Amplatzer device, but the rates of success are less, and procedure time longer, than in older children or adults.

Type
Original Article
Copyright
Copyright © Cambridge University Press 2000

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References

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Treatment of atrial septal defects in symptomatic children aged less than 2 years of age using the Amplatzer septal occluder
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