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Chonnam Med J. 2007 Aug;43(2):123-128. Korean. Original Article.
Lee SU , Yeo CY , Cho YK , Choi IS , Chung HY , Ma JS .
Department of Pediatrics, Chonnam National University Medical School, Gwangju, Korea.
Chonnam National University Research Institute of Medical Sciences, Gwangju, Korea.

Percutanous closure with occluding coils has been recentely described as a method of nonsurgical treatment of the small patent ductus arteriosus (PDA). Several different devices were evaluated for the percutaneous closure of patent ductus arteriosus, and important drawbacks were found in all of them. To overcome these drawbacks, both detachable Cook coils (Cook coils) and Amplatzer duct occluders (ADO) were used for the percutaneous closure of PDA. The purpose of this study is to discuss our experience with percutaneous closure of the patent ductus arteriosus by Cook coils. Between January 2005 and Febrary 2007, 22 patients underwent transcatheter occlusion of PDA at a median age of 5 year 5 months and at a median weight of 23.2 kg. Cook coils were used in all patients. A median PDA diameter is 2.02 mm (range 0.8~3.5 mm). Devices were successfully implanted in all 22 patients. Complete closure was achieved in 19 of 22 patients (8% closure rate). Of the three patients with trivial residual leak, two patients had spontanous closure after 3-month follow-up. One patient had residual shunt during 6-month follow-up periods. Another two patients had trivial shunt but it was anticipated that the shunt could be closed after long term follow-up. According to our experience, the complementary use of Cook coils for the percutaneous closure of PDA is safe procedure and can be recommended to small children.

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