PMID: 18431340Apr 24, 2008Paper

Abdominal aortic aneurysm sac behavior following Cook Zenith graft implantation: a five-year follow-up assessment of 212 cases

The Journal of Cardiovascular Surgery
J P BecqueminH Kobeiter

Abstract

Aneurysm shrinkage is an expected outcome after stent-grafting for abdominal aortic aneurysm (AAA). A worrying problem following repair is progressive enlargement indicating persistent sac pressurization: in this setting not all grafts are equal. The Cook Zenith device (CZ) became available on the European market in 1999. While multicenter studies on the device have shown favorable clinical results at mid-term follow-up, few have focused on sac behavior. This study evaluated AAA sac behavior and predictive factors of its evolution by assessing the five-year results obtained with the CZ graft in a single-institution experience. All consecutive elective surgery patients treated with a CZ graft for infrarenal aortic or aortoiliac aneurysm repair from January 2000 to November 2004 in our institution were included prospectively in the study and followed at 1, 6, 12, 18, 24 months and yearly thereafter. Pre-, intra- and postoperative data were recorded in a computerized database. Computed tomography (CT) scans were reviewed by a senior radiologist to identify any abnormalities including endoleak and graft malfunction. Pre- and postoperative maximum sac diameters were derived from measurements of CT findings and then compared. A chang...Continue Reading

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