Most common splanchnic aneurysm :
Superior Aery Aneurysms MC site of Intra-abdominal aneurysm : Aoa > Splenic aery MC causes: Aeriosclerosis Usually saccular, multiple aneurysm is 20% Calcification is present in one-third, and mostly situated in the distal third of the splenic aery Four times more common in women (possible factors include multipay, poal hypeension, aerial fibrodysplasia, pancreatitis, and less commonly, trauma, aeritis and septic embolic Aneurysmal rupture in pregnancy usually occurs during the third trimester Factors increasing the risk of rupture Young age Presence of hypeension Absence of aneurysmal calcification Aneurysm diameter >1.5 cm Management : Documented aneurysmal enlargement and symptoms caused by aneurysm are indications of operation An aneurysm detected in a female who anticipate pregnancy should be removed and one detected during pregnancy should be removed before the third trimester Proximal aneurysm are excised after proximal and distal ligations Mid-splenic aneurysms are excluded by proximal and distal ligations of splenic aery and all collateral vessels Distal or hilar aneurysms is the most common and is treated with aneurysmectomy and splenectomy Ref :Sabiston 20th edition Pgno : 1788
Splenic aery
Hepatic aery
Gastroduodenal aery
Superior mesenteric aery
G.I.T