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Transcatheter retrieval of atrial septal defect and patent ductus arteriosus occluder: a guidance for device retrieval based on comprehensive bench tests

Published online by Cambridge University Press:  12 September 2022

Takanari Fujii*
Pediatric Heart Disease and Adult Congenital Heart Disease Center, Showa University Hospital, Tokyo, Japan
Hisashi Sugiyama
Pediatric Cardiology, Seirei Hamamatsu General Hospital, Shizuoka, Japan
Hideaki Kanazawa
Department of Cardiology, Keio University School of Medicine, Tokyo, Japan
Hidehiko Hara
Division of Cardiovascular Medicine, Toho University Ohashi Medical Center, Tokyo, Japan
Jun Muneuchi
Department of Pediatrics, Japan Community Healthcare Organization, Kyushu Hospital, Fukuoka, Japan
Satoshi Yazaki
Department of Pediatric Cardiology, Sakakibara Heart Institute, Fuchu, Tokyo, Japan
Author for correspondence: Takanari Fujii, MD, PhD, Pediatric Heart Disease and Adult Congenital Heart Disease Center, Showa University Hospital, 1-5-8, Hatanodai, Shinagawa-Ku, Tokyo 142-8666, Japan. Tel: +81-3-3784-8000; Fax: +81- 3-3784-8714. E-mail:



The aim of this study is to establish a guidance for device retrieval based on comprehensive bench tests.


Device embolisation remains a major complication in transcatheter closure of atrial septal defect and patent ductus arteriosus. Although percutaneous retrieval is feasible in the majority of cases, surgical retrieval may be required in complicated circumstances. However, the methods of transcatheter device retrieval have not been completely established.


Bench tests of device retrieval were performed to verify the appropriate retrieval method according to device type/size. The devices used for testing were Amplatzer Septal Occluder (Abbott, Chicago, IL, United States of America), Figulla Flex II (Occlutech GmbH, Jena, Germany), Amplatzer Duct Occluder-I (Abbott), Amplatzer Duct Occluder-II (Abbott), and Amplatzer Vascular Plug-II (Abbott). The retrieval equipment constituted diagnostic catheters (multipurpose catheter and right Judkins catheter, 4-Fr or 5-Fr, Gadelius Medical, Tokyo, Japan), delivery sheath and cables for each device, Amplatz goose neck snares (Medtronic, Minneapolis, MN, United States of America), OSYPKA CATCHER (Osypka ag, Rheinfelden-Herten, Germany), and OSYPKA LASSOS (Osypka). We investigated the retrieval equipment and sheath sizes required for a successful retrieval procedure for variously sized devices.


For patent ductus arteriosus devices, the type of snare and the snaring position are considered important. For atrial septal defect devices, simple snare capture or a double-snare technique with a sufficiently large sheath is effective. Special care should be taken when using the OSYPKA CATCHER for device retrieval.


The results of this study may assist in the selection of both capture devices and a retrieval sheath or a catheter for complete retrieval.

Original Article
© The Author(s), 2022. Published by Cambridge University Press

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