The use of hybrid stents for aneurysm repair and side-branch patency seems to be effective, as per the long-term results obtained in an animal model 1).

1)
Nishi S, Nakayama Y, Ishibashi-Ueda H, Yoshida M, Yonetani H. Treatment of rabbit carotid aneurysms by hybrid stents (microporous thin polyurethane-covered stents): Preservation of side-branches. J Biomater Appl. 2014 Mar;28(7):1097-104. doi: 10.1177/0885328213498293. Epub 2013 Jul 25. PubMed PMID: 23887877.