PURPOSE: To develop a new technique to treat wide-necked side-wall aneurysms, combining the implantation of intraarterial stents with the endosaccular placement of coils. METHODS: Bilateral side-wall aneurysms were surgically created on the carotid arteries of four dogs. In each animal, Guglielmi detachable coils were introduced into one of the aneurysms after implantation of a balloon-expandable Strecker stent within the parent artery, adjacent to the aneurysm orifice. The contralateral aneurysms were treated with coils alone. RESULTS: In two dogs, one of the stented and both nonstented aneurysms remained partially open for 4 weeks after subtotal packing with coils. In another two dogs, tight aneurysm packing with coils resulted in complete occlusion of all four aneurysms. Bulging of the coil mass resulted in 30% to 75% narrowing of the nonstented parent arteries. At 4 and 5 weeks, significant stenosis resulting from reactive hyperplasia was observed in all stented carotid arteries. CONCLUSION: Based on these preliminary results, we conclude that Guglielmi detachable coils can be introduced into an aneurysm cavity through Strecker stents. The stents allow tighter packing of wide-necked aneurysms by preventing coils from migrating or bulging into the parent arteries.
PURPOSE: To develop a new technique to treat wide-necked side-wall aneurysms, combining the implantation of intraarterial stents with the endosaccular placement of coils. METHODS: Bilateral side-wall aneurysms were surgically created on the carotid arteries of four dogs. In each animal, Guglielmi detachable coils were introduced into one of the aneurysms after implantation of a balloon-expandable Strecker stent within the parent artery, adjacent to the aneurysm orifice. The contralateral aneurysms were treated with coils alone. RESULTS: In two dogs, one of the stented and both nonstented aneurysms remained partially open for 4 weeks after subtotal packing with coils. In another two dogs, tight aneurysm packing with coils resulted in complete occlusion of all four aneurysms. Bulging of the coil mass resulted in 30% to 75% narrowing of the nonstented parent arteries. At 4 and 5 weeks, significant stenosis resulting from reactive hyperplasia was observed in all stented carotid arteries. CONCLUSION: Based on these preliminary results, we conclude that Guglielmi detachable coils can be introduced into an aneurysm cavity through Strecker stents. The stents allow tighter packing of wide-necked aneurysms by preventing coils from migrating or bulging into the parent arteries.
Authors: Arnd Doerfler; Wolfgang P H Becker; Isabel Wanke; Sophia L Goericke; K M Mueller; Nina Blechschmid; Achim Flesser; Hermann Monstadt; Michael Forsting Journal: AJNR Am J Neuroradiol Date: 2005-04 Impact factor: 3.825
Authors: Zhou Wang; Ciprian Ionita; Stephen Rudin; Kenneth R Hoffmann; Adam B Paxton; Daniel R Bednarek Journal: Proc SPIE Int Soc Opt Eng Date: 2004-04
Authors: Guilherme Cabral de Andrade; Helvercio P Alves; Valter Clímaco; Eduardo Pereira; Alexandre Lesczynsky; Michel E Frudit Journal: Interv Neuroradiol Date: 2016-07-11 Impact factor: 1.610
Authors: Randall T Higashida; Van V Halbach; Christopher F Dowd; Louis Juravsky; Sean Meagher Journal: AJNR Am J Neuroradiol Date: 2005-08 Impact factor: 3.825