Results of coil closure of patent ductus arteriosus using a tapered tip catheter for enhanced control

Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions
Rajiv DevanagondiLourdes Prieto

Abstract

This article describes the efficacy and embolization rates of coil delivery via modified vertebral catheter (MVC) for patent ductus arteriosus (PDA) closure. Various techniques have been devised to enhance coil control and prevent embolization during PDA closure. Since 1995, they have delivered coils via tapered vertebral catheters for improved coil control. Catheterization reports, angiograms, and echocardiograms were reviewed for patients with PDA occlusion via MVC from 2001 to 2014. Residual shunting was determined by angiography and echocardiogram within 24 hr post-procedure. Procedural success was defined as ≤ trivial angiographic and echocardiographic shunt, and no aortic nor LPA obstruction, after final coil delivery. About 125 coil occlusions were attempted in 103 patients. Minimal PDA diameter was 2 (0.6-6) mm. Four coils were removed with a snare/bioptome due to aortic/LPA obstruction following release. Seven were malpositioned while still held by the MVC of which three embolized while attempting withdrawal. Five embolized after full release from the MVC. The embolization rate was 6.4%. Embolizations were more likely in PDAs ≥ 2.5 mm (P < 0.05). Ultimately, 98/103 PDAs were occluded using the MVC. No patient had great...Continue Reading

References

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Citations

Sep 8, 2020·Annals of Thoracic and Cardiovascular Surgery : Official Journal of the Association of Thoracic and Cardiovascular Surgeons of Asia·Kai-Peng SunQiang Chen

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