Nonsurgical Closure of Oversized Patent Ductus Arteriosus with Pulmonary Hypertension

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Abstract
Safe and permanent closure of patent ductus arteriosus (PDA) can be accomplished with an ivalon plug introduced by catheterization from the femoral artery. The authors' experience thus far obtained from treating more than a hundred patients suggests that the technique described in this paper is a feasible alternative to the surgical approach. A prerequisite has been the size and shape of the PDA, the lumen of which had to be conical in shape and smaller than the lumen of the femoral artery. Now safe closure of oversized PDA complicated by pulmonary hypertension has become possible, using a plug designed with a special mechanism for anchorage to the PDA. The technique of this closure is described in detail in this report of its successful use in a 50-year-old woman patient with an oversized, calcified PDA complicated by pulmonary and systemic hypertension and cystic lung disease. Treating such high-risk cases with transfemoral closure means real improvement in therapy over surgical treatment.

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