XXXX model of abdominal aortic aneurysm treated by endovascular graft implantation.

@entity235 @entity82 @entity439 @entity449
The purpose of this study was to monitor the effects of endovascular graft implantation on a @entity235 model of @entity449 . @entity439 were created in 10 @entity235 by fascial patch angioplasty of the infrarenal aorta. In five @entity235 , @entity439 creation was immediately followed by insertion of an endovascular graft. Central aortic and @entity439 sac pressures were then measured by needle puncture. The remaining five @entity235 were left untreated, as controls. Angiography was performed after @entity439 creation, after endovascular graft implantation, and at 1 month and 3 months. Following insertion of an endovascular graft, mean (s.d.) systolic pressure was lower in the @entity439 sac (82.9 (20.20) mmHg) than in the adjacent aorta (113.4 (25.9) mmHg; P < 0.002) in all the treatment group. The effects on diastolic pressure and mean pressure were less pronounced. @entity439 size was increased in all controls (25.2 (9.55)%) and decreased in all of the treated group (22.5 (11.7)%; P < 0.001). In conclusion this model of @entity449 has two important characteristics' it has multiple collateral branches, and it grows. Insertion of an endovascular graft was associated with a reduction in @entity439 sac pressure, reduced @entity439 growth, and @entity82 of the space between the @entity439 sac and the graft.
