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Am Heart J. 1996 Oct;132(4):905-9.

Transcatheter occlusion of patent ductus arteriosus: which method to use and which ductus to close.


Many devices have been developed for transcatheter occlusion of PDA. Bulkiness of the device, complexity of the procedure, and significant residual complications make the majority of the devices unsuitable for routine clinical use. Although no randomized comparative clinical trials exist, on the basis of published literature and my personal experience, coil occlusion may be best suited to close small ducts (< or = 3.5 mm) and the adjustable buttoned device may be most appropriate for large PDAs (> 3.5 mm). Clinical trials on larger patient populations than are currently available and long-term follow-up are necessary to further support these recommendations. Indications for transcatheter closure should be exactly as those used for surgical closure: PDA with audible continuous murmur with echo Doppler confirmation. The so-called silent ducts need not be closed.

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