Page 36 - Virtual Vascular Vol 3
P. 36

Visceral Aneurysm                                                                                                                                                                                   Iliac Stenting






                                                                              80-year old man with an incidental                                                                            73-year old man complained of right but-
                                                                         A  finding of a 1.4 cm aneurysm at the                                                                        A ock intermittent claudication.  CT showed
                                                                                                                                                                                            t
                                                                         junction of the common hepatic artery                                                                          a tight stenosis and calcifications at his distal
                                                                         and gastroduodenal artery.  He is com-                                                                         right common iliac artery and the proximal
                                                                         pletely asymptomatic.                                                                                          common iliac origin.  His internal iliacs are
                                                                                                                                                                                        patent.  This was treated with a balloon an-
                                                                         With liberal use of imaging such as ab-                                                                        gioplasty and stenting via the left femoral
                                                                         dominal CT scans, we see an increase                                                                           crossover route (He had previous right femoral
                                                                         in the detection of visceral aneruysms.                                                                        surgery)

                                                                         These are thought to be rare and mainly
                                                                         affecting renal or splenic arteries.                                                                           Angioplasty and stenting is usually the first
                                                                                                                                                                                        choice treating for atherosclerotic disease of
                                                                         GDA/hepatic aneurysms are very rare,                                                                           the iliac arteries with good long term results.
                                                                         and may be associated with previous
                                                                         pancreatitis, autoimmune diseases, and
                                                                         trauma.


                                                                         Small (<2cm) aneurysms rarely rupture
                                                                         and can be managed conservatively.
                                                                         Large (>2-3cm), symptomatic, or pseu-

                                                                         doaneurysms, or those in pregnancy
                                                                         may require more aggressive treatment.
                                                                         First choice is usually coil embolization.




































        36                                                                                                                                                                                                                            37
   31   32   33   34   35   36   37   38   39   40   41