SelectioQ of Coil for Transcatheter Closure of Small Patent
Ductus Arteriosus
PORNTHEP LERTSAPCHAROEN, MD*, SUNTHORN MUANGMINGSUK, MD*,
PAIRO J CHOTTIVITTA Y A TA RAKORN, MD*, APICHAI KHONGPHATTA NA YOTHIN, MD*,
CHULE THISYAKORN, MD*, VIR OJ SUEBLINVONG, MD*
Affiliation : * Division of Pediatric Cardiology, Department of Pediatrics, Faculty of Medicine, Chulalongkom University, Bangkok
10330, Thailand.
AbstractThe authors reported the results in transcatheter coil occlusion of patent ductus arteriosus
(PDA) Jess than 4 mm, based on a policy in selection of the appropriate type and number of coils for
size of PDA. The authors used one 0.035 inch detachable coil, 5 mm in diameter, in PDA less than
or equal to 2 mm, and two 0.035 inch detachable coils or one controlled release 0.052 inch Gianturco
coil in PDA larger than 2 mm. The present study included 32 pediatric patients. There were 31 cases of
successful coil implantation and 1 case failed. Of the 31 successful cases, PDA size varied from 1.4
to 4.0 mm (mean of 2.7 ± 0.9 mm). Ten patients had a PDA size of Jess than or equal to 2 mm (group
A), while the other 21 patients had a PDA size of larger than 2 mm (group B). In group A, 9 cases
had single-detachable-coil occlusion and one case had double-detachable-coil occlusion. In group B,
double-detachable-coil occlusion was performed in 17 cases and controlled release 0.052 inch coil in
4 cases. There were no cases of coil migration or other serious complications. The immediate complete
occlusion rate was 58 per cent ( 18 of 31 cases), which rose to 97 per cent (30 of 31 cases) at the mean
follow-up of 2.6 ± 2.5 months (range from 1 day to 9 months).
Transcatheter coil occlusion is an alternative to surgical closure of small PDA (Jess than 4
mm). Selection of type and number of coils appropriate to the size of PDA will allow safe and excellent
results.
Keywords : Patent Ductus Arteriosus, Coil Occlusion
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