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False anastomotic aneurysms.

Dragan M Marković1, Lazar B Davidović, Dusan M Kostić

  • 1Department for Vascular Surgery, Clinical Center of Serbia, Belgrade, Serbia. markovicdr@yahoo.com

Vascular
|June 19, 2007
PubMed
Summary
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False anastomotic aneurysms occurred in 2.4% of patients after aortoiliac and femoropopliteal surgery. Infection significantly increased mortality, but graft type did not impact early outcomes.

Area of Science:

  • Vascular Surgery
  • Surgical Complications
  • Graft Patency

Background:

  • False anastomotic aneurysms are a potential complication following vascular reconstruction.
  • Aortoiliac and femoropopliteal occlusive and aneurysmal diseases require surgical intervention, often involving bypass grafts.

Purpose of the Study:

  • To investigate the incidence, causes, treatment, and outcomes of false anastomotic aneurysms.
  • To identify factors influencing mortality after reoperation for false anastomotic aneurysms.

Main Methods:

  • Retrospective analysis of 3,623 patients undergoing surgery for aortoiliac and femoropopliteal disease between 1991 and 2002.
  • Detailed review of cases with false anastomotic aneurysms, including etiology, surgical repair methods, and follow-up data.
  • Statistical analysis to determine factors affecting reoperation outcomes.

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Main Results:

  • A total of 87 patients (2.4%) developed false anastomotic aneurysms.
  • Infection was the cause in 24.7% of cases; aortobifemoral bypass for occlusive disease was the most common preceding procedure.
  • Reoperation involved various grafts (Dacron, PTFE, vein) and techniques, with 85.5% achieving good early results.
  • Infection and comorbidity significantly increased mortality post-reoperation, while graft type showed no influence on early outcomes.

Conclusions:

  • False anastomotic aneurysms represent a significant complication requiring surgical management.
  • Prompt diagnosis and treatment are crucial, with infection being a critical factor influencing outcomes.
  • While various reconstructive methods exist, addressing underlying infection and patient comorbidities is paramount for improving survival.