Iliac artery injuries were present in 88 patients (71 external and 17 common; 72% penetrating; median Injury Severity Score, 25; mean hospital stay, 28 days). Most nonsurvivors (73%) died of refractory shock within the first 24 hours after presenting with hemodynamic instability (66%). Ligation was required in one (6%) common and 14 (20%) external iliac arteries. TIVS was used in two (12%) common and five (7%) external iliac arteries