Percutaneous Occlusion of Patent Ductus Arteriosus with Controlled-Release Coil

Abstract

We evaluated the efficacy of the controlled-release Cook coil for percutaneous patent ductus arteriosus occlusion. Between October 1994 and December 1997, 45 consecutive patients with patent ductus arteriosus underwent cardiac catheterization and coil occlusion was attempted in 41, of whom 37 had Cook coils. A single coil was deployed in 34 of these patients and 2 or more coils were deployed in 3, with successful occlusion in 36 (97%). Immediate complete angiographic closure was achieved in 15 (41%), 18 (49%) had a trivial residual shunt, and 3 had a mild residual shunt on post-occlusion aortograms. Color Doppler echocardiography 24 hours after the procedure, revealed no detectable shunt in 33/36 (92%) and only a trivial residual shunt in 3 (8%) patients. Thus, 86% of patients with residual shunts immediately after occlusion had no evidence of residual shunts by 24 hours. No evidence of residual shunt or obstruction of the left pulmonary artery or the descending aorta was present at a mean follow-up of 26 months We concluded that Cook coils are a safe and cost-effective modality for percutaneous occlusion of patent ductus arteriosus with a high success rate and favorable intermediate-term follow-up.