PMID: 8951756Nov 1, 1996Paper

Experimental evaluation of a new self-expanding patent ductus arteriosus occluder in a canine model

Journal of Vascular and Interventional Radiology : JVIR
M J SharafuddinK Amplatz

Abstract

A new self-expanding patent ductus arteriosus (PDA) occluder was designed. Percutaneous closure of surgically created aortopulmonary shunts was attempted in 19 dogs. The occlusion device consisted of a nitinol wire frame tightly woven into a cylinder with a flat retention disc. A polyester-filled frame was used in the last six procedures. A 6-F introducing sheath was advanced across the aortopulmonary conduit into the descending thoracic aorta. The prosthesis (attached on a stiff delivery cable) was advanced through the introducing sheath. The retention disc was first released in the descending thoracic aorta, then the cylindrical device frame was expanded within the conduit by withdrawing the sheath. Subtotal misplacement into the descending aorta occurred in one procedure (overall technical success rate, 95%), and one animal died before the 1-week follow-up. Complete angiographic shunt closure was achieved in seven of 18 (39%) animals at 30 minutes, 12 of 17 (71%) animals at 1 week, 14 of 17 (82%) animals at 1 month, and 11 of 12 (92%) animals at 3 months. Significantly higher 30-minute closure rates occurred with polyester-filled occluders compared with nonfilled occluders (five of five [100%] vs one of 13 [15%]; P = .002). ...Continue Reading

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Citations

Mar 21, 1998·Journal of the American College of Cardiology·R G GrabitzG von Bernuth
Jun 11, 2002·Journal of Interventional Cardiology·R G Grifka
Dec 20, 2002·The Journal of Small Animal Practice·T M GlausD Sisson
May 9, 2009·Scandinavian Cardiovascular Journal : SCJ·Per G BjørnstadGunther Fischer
Nov 20, 2013·Journal of Veterinary Cardiology : the Official Journal of the European Society of Veterinary Cardiology·Justin A CarlsonMatthew W Miller
May 1, 2003·Journal of Veterinary Cardiology : the Official Journal of the European Society of Veterinary Cardiology·Tony M GlausMagdi Tofeig
Nov 1, 2003·Journal of Veterinary Cardiology : the Official Journal of the European Society of Veterinary Cardiology·Matthias SchneiderMartin Wehner
May 23, 2014·Journal of the Mechanical Behavior of Biomedical Materials·Yingying HuangSubbu S Venkatraman
Dec 18, 2013·Acta Biomaterialia·Yingying HuangSubbu S Venkatraman
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Aug 22, 2001·Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions·H KongD W Hunter
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Jan 29, 2003·Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions·Jozef MasuraTomaz Podnar

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