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Late complications after ligation and bypass for popliteal aneurysm

U J Kirkpatrick1, R G McWilliams, J Martin

  • 1Regional Vascular Unit, Royal Liverpool University Hospital, Liverpool, UK. ujkirkpatrick@doctors.net.uk

The British Journal of Surgery
|February 5, 2004
PubMed

Insights

Ligation and bypass surgery for popliteal aneurysms may not fully close the aneurysm sac, potentially leading to continued expansion and rupture. Further monitoring is essential for long-term patient outcomes.

Area of Science:

  • Vascular Surgery
  • Medical Imaging
  • Clinical Outcomes

Background:

  • Ligation and bypass is a standard treatment for popliteal aneurysms.
  • This technique may not eliminate collateral circulation, risking aneurysm expansion or rupture.
  • Assessing the long-term fate of the aneurysm sac after surgery is crucial.

Purpose of the Study:

  • To determine if popliteal aneurysm sacs achieve complete thrombosis after ligation and bypass.
  • To evaluate the long-term clinical outcomes associated with persistent intrasac blood flow.

Main Methods:

  • Retrospective review of patients undergoing popliteal aneurysm repair over 10 years.
  • Recall of patients for clinical and ultrasonographic examination to assess aneurysm sac status.
  • Duplex ultrasonography to detect intrasac blood flow.

Main Results:

  • Persistent blood flow in the aneurysm sac was observed in 12 of 36 legs at a median of 48 months post-operation.
  • Six patients experienced symptomatic aneurysm enlargement, associated with persistent intrasac flow.
  • Lower incidence of sac enlargement was noted in bypassed aneurysms without intrasac flow.

Conclusions:

  • Ligation and bypass surgery does not consistently achieve complete thrombosis of the popliteal aneurysm sac.
  • Persistent intrasac blood flow can be linked to aneurysm expansion and late complications.
  • Further research into optimizing aneurysm sac management post-bypass is warranted.
Abstract

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