Splanchnic Artery Aneurysms. Katherine B. Harrington Vascular Surgery Conference May 15, 2006. Splanchnic Artery Aneurysms. Uncommon, but clinically important 22% present emergently, with an overall mortality of 8.5%.
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Katherine B. Harrington
Vascular Surgery Conference
May 15, 2006
-Study 1: 92% early success rate, 4% mortality at 1 month, and only 1 recurrence at 4 years.
-Study 2: 57% early success rate, convert to open in 20%.
-Necropsy series vary between
0.098% to 10.4%.
-0.78% on review of abdominal
-Female to male ratio of 4:1.
-Saccular macroaneurysms secondary to acquired derangements of vessel wall: elastic fiber fragmentation, loss of smooth muscle, and internal elastic lamina disruption.
-Occur most often at bifurcations.
-Multiple in 20% of patients.