The parallel wire technique for atrial septal defect closure

The parallel wire technique for atrial septal defect closure.

Chiam Paul, CohenHA, Ruiz CE

Catheterization and Cardiovascular Interventions 2008; 71: 564-7.


Percutaneous closure of sedundum atrial septal defects (ASD) has been shown to be safe and effective. Usually crossing the defect is relatively straightforward. Occasionally, with fenestrated ASDs, trying to cross the defect(s) may be challenging. We report the use of a “parallel wire” (0.018 or 0.014 inch wiretechnique to maintain access and be able to recross the same defect easily in case of misplacement until just before the device was secured and released. This technique could be used also as a “body wire” for large ASDs with deficient rims to reduce the incidence of device prolapse, and for patent foramen ovale and ventricular septal defect closures. This is a simple and easily reproducible method with the equipment readily available in virtually all catheterization laboratories.


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