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Published on: May 14, 2020
Management of solitary iliac aneurysms
N P Sacks1, S P Huddy, T Wegner
1Department of Surgery, Royal Surrey County Hospital, Guildford, U.K.
Insights
Surgery for isolated iliac artery aneurysms had no operative mortality. However, achieving safe control of internal iliac artery aneurysms requires distal internal iliac control to prevent late vascular complications.
Area of Science:
- Vascular Surgery
- Aneurysm Management
- Iliac Artery Aneurysms
Background:
- Isolated iliac artery aneurysms are rare but can lead to rupture and significant morbidity.
- Management strategies for these aneurysms, particularly those involving the internal iliac artery, require careful consideration.
Purpose of the Study:
- To review outcomes of patients with isolated iliac artery aneurysms treated surgically.
- To evaluate the safety and efficacy of surgical techniques, focusing on internal iliac artery aneurysm control.
Main Methods:
- Retrospective review of 11 patients with isolated iliac artery aneurysms over a 10-year period.
- Analysis of surgical interventions, including proximal and distal ligation, and bypass procedures.
- Assessment of operative mortality, late vascular complications, and aneurysm rupture.
Main Results:
- Ten patients underwent surgery with no operative mortality.
- Two late deaths occurred due to vascular complications, one after ligation of an internal iliac artery aneurysm without distal control.
- Four of five patients with internal iliac artery aneurysms lacked distal control, highlighting a critical technical challenge.
Conclusions:
- Surgical management of isolated iliac artery aneurysms can be performed without operative mortality.
- Safe and effective control of internal iliac artery aneurysms necessitates achieving distal internal iliac artery control.
- Inadequate distal control is associated with significant late vascular complications.
Abstract:
Eleven patients with isolated iliac artery aneurysms, presenting over a 10 year period, have been reviewed. Ten patients underwent surgery, of whom 3 had ruptured their aneurysms. Four patients had a solitary aneurysm, while the remaining 6 had 14 aneurysms between them. There was no operative mortality but 2 patients died of late vascular complications (after 4 and 12 months), 1 after proximal ligation only of an internal iliac artery aneurysm, and 1 after proximal and distal ligation and bypass of the common/external iliac artery for an aneurysm involving both the common and internal iliac arteries. Five patients had internal iliac artery aneurysms, and in 4 of these distal control was not achieved. Four patients died from unrelated disease (after 2-6 years). Safe control of internal iliac artery aneurysms cannot be achieved without distal internal iliac control.
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