[Grafts in therapy of aortic aneurysms; case report of longitudinal traumatic rupture of abdominal aorta with pulsatile hematoma; evacuation and reconstruction of aorta on the 24th day; subsequent development of an aneurysm with femoral emboli; embolectomy followed by resection of aneurysm with restoration of abdominal aorta continuity by interposition of conserved homograft].