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THE JOURNAL OF CARDIOVASCULAR SURGERY
Rivista di Chirurgia Cardiaca, Vascolare e Toracica
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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NEW DEVELOPMENTS IN THE MANAGEMENT OF POPLITEAL ANEURYSMS
The Journal of Cardiovascular Surgery 2007 Giugno;48(3):267-74
Endovascular treatment of asymptomatic popliteal aneurysms: 8-year concurrent comparison with open repair
Antonello M., Frigatti P., Battocchio P., Lepidi S., Dall’Antonia A., Deriu G. P., Grego F.
Vascular and Endovascular Section Department of Cardiac, Thoracic and Vascular Sciences University of Padua, Padua, Italy
Aim. The aim of this prospective comparative study was to compare the results of 8-years experience of endovascular treatment (ET) of popliteal aneurysms (PAs) using the Hemobahn/Viabahn endograft with those achieved with open repair (OR). Endpoints were primary and secondary patency rate.
Methods. The study was a prospective randomized clinical trial from January 1999 to December 2003 and a prospective comparative study from January 2004 to December 2006. Patients with an asymptomatic aneurismal lesion in the popliteal artery 2 cm at angio-computed tomography were included in the study. Indication for ET was PA (proximal and distal neck length >1 cm); contraindications were: 1) age <50 years; 2) poor distal run-off; 3) contraindication to antiplatelet, anticoagulant or thrombolytic therapy.
Results. Between January 1999 and December 2006, of a total of 42 patients with 48 PA, 27 were treated with OR (group A) and 21 with ET (group B). The primary patency rate was 100% in group A and 80.9% in group B at 12 months and 71.4% and 88.1%, respectively, at 72 months; the secondary patency rate at 72 months was 88.15% and 85.9% in groups A and B, respectively. No statistical differences were observed at the log-rank test. During the entire study period, 3 (14.3%) patients in group B required conversion to open surgery because of endograft occlusion.
Conclusion. Within the power limitations of this study, ET for asymptomatic PA in patients with suitable anatomy can be considered safe, with long-term results comparable with those of OR.