Grade* | Description of injury |
I | Non-named superior mesenteric artery or superior mesenteric vein branches |
Non-named inferior mesenteric artery or inferior mesenteric vein branches |
Phrenic artery or vein |
Lumbar artery or vein |
Gonadal artery or vein |
Ovarian artery or vein |
Other non-named small arterial or venous structures requiring ligation |
II | Right, left, or common hepatic artery |
Splenic artery or vein |
Right or left gastric arteries |
Gastroduodenal artery |
Inferior mesenteric artery, or inferior mesenteric vein, trunk |
Primary named branches of mesenteric artery (eg, ileocolic artery) or mesenteric vein |
Other named abdominal vessels requiring ligation or repair |
III | Superior mesenteric vein, trunk |
Renal artery or vein |
Iliac artery or vein |
Hypogastric artery or vein |
Vena cava, infrarenal |
IV | Superior mesenteric artery, trunk |
Celiac axis proper |
Vena cava, suprarenal and infrahepatic |
Aorta, infrarenal |
V | Portal vein |
Extraparenchymal hepatic vein |
Vena cava, retrohepatic or suprahepatic |
Aorta, suprarenal, subdiaphragmatic |