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Title: Complications in the endovascular repair of abdominal aortic aneurysms: a risk factor analysis
Authors: Cuypers, P ×
Nevelsteen, André
Buth, J
Hamming, J
Stockx, L
Lacroix, Hendrik
Tielbeek, A #
Issue Date: Sep-1999
Series Title: European journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery vol:18 issue:3 pages:245-52
Abstract: OBJECTIVES: to identify risk factors for complications following endovascular repair of abdominal aortic aneurysms (AAAs). MATERIALS AND METHODS: endovascular AAA exclusion was attempted in 64 patients. Patient characteristics, anatomic features of the aneurysm, operative technical aspects, and the experience of the teams were correlated with mortality, occurrence of endoleak, and other complications. Perioperative complications were graded following the recommendations of the Ad Hoc Committee on reporting standards. For the assessment of correlation between risk factors and outcomes a logistic regression analysis was used. RESULTS: complications were observed in 43% of the procedures and were classified as mild (24%), moderate (55%) or severe (21%). American Society of Anaesthesiology (ASA) risk class 3 or 4, and advanced age were independent risk factors for perioperative death and complications. Adjuvant procedures or overstenting of the renal arteries with the uncovered part of the stent were not associated with increased risk of complications. Nevertheless, in four of 24 overstented renal orifices, a renal infarction or ischaemia of the kidney was observed on a postoperative CT scan. Advanced experience was associated with less complications, less endoleaks, and shorter operating time. CONCLUSIONS: high age and medical co-morbidity were associated with increased risk for perioperative complications and death. Additional perioperative procedures are usually well tolerated. With greater experience in endovascular AAA grafting the incidence of complications and endoleaks decreased.
ISSN: 1078-5884
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Vascular Surgery
× corresponding author
# (joint) last author

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