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Rotation of the umbrella, an important factor for residual patency of arterial ducts closed with the Rashkind device

Published online by Cambridge University Press:  19 August 2008

Per G. Bjørnstad  and
Knut-Haakon Stensæth
Per G. Bjørnstad*
Affiliation:
From the Sections of Pediatric Cardiology, Department of Radiology, Rikshospitalet, The National Hospital, University of Oslo, Oslo
Knut-Haakon Stensæth
Affiliation:
Pediatric Clinic and Pediatric Radiology, Department of Radiology, Rikshospitalet, The National Hospital, University of Oslo, Oslo
*
Dr. Per G. Bjørnstad, Pediatric Cardiology, Pediatric Clinic, Rikshospitalet, The National Hospital, N-0027 Oslo, Norway. Tel. 47-228 690 92; Fax. 47-228 691 01.
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Abstract

To check a possible mechanism for residual patency of arterial ducts closed with umbrellas, we studied retrospectively all 25 implantations of the Rashkind device carried out in our institution. In all instances, the smaller umbrella had been used. Residual patency occurred in 40%. There was a significant correlation (p<0.001) between the way the umbrella was rotated and the rate of residual patency. In the larger subgroup, the residual patency was 75% when two arms were pointing towards the aortic blood stream. In contrast, when only one arm pointed upwards, there was only one patient (8.3%) with residual shunt. This potential precipitating mechanism should be considered when implanting the Rashkind devices in future.

Keywords

Rashkind umbrellaarterial ductcatheterizationresidual patency
Type
Original Articles
Information
Cardiology in the Young , Volume 5 , Issue 2 , April 1995 , pp. 176 - 179
Copyright
Copyright © Cambridge University Press 1995

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