Factors predictive of early or late aneurysm sac size change following endovascular repair

Journal of Vascular Surgery
Ronald M FairmanZenith Investigators

Abstract

The purpose of this study was to determine the relationship between aneurysm sac size change at 1, 6, 12, and 24 months and a set of 10 independent "predictive" variables by using a general linear model analysis. In a multicenter trial, 351 patients received the Zenith tri-modular bifurcated endograft. The predictive variables used for this analysis were endoleak by type, age, gender, smoking status, and the preprocedure variables of maximum aneurysm major diameter, minor neck diameter, proximal neck length, neck plaque/thrombus, and neck shape; and patent inferior mesenteric artery at predischarge. The aneurysm change was calculated as the difference from the predischarge (< or = 7 days of implant) maximum aneurysm major diameter measurement to the maximum aneurysm major diameter measurement at follow-up examination periods of 1, 6, 12, and 24 months. The same 10 predictive variables were used to assess the absolute change in maximum aneurysm minor diameter and aneurysm area. Additionally, the percent change from predischarge was also assessed for the major diameter, minor diameter, and aneurysm area. None of the independent variables were predictive of absolute sac size change or percent change at 1 month. At 6 months, the pr...Continue Reading

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Citations

Dec 24, 2013·Journal of Vascular Surgery·Wei ZhouJin Hyun Joh
Oct 12, 2010·Annals of Vascular Surgery·Jean-Marc AlsacJean-Noël Fabiani
Feb 5, 2014·Annals of Thoracic and Cardiovascular Surgery : Official Journal of the Association of Thoracic and Cardiovascular Surgeons of Asia·Yoshiaki TsuyukiAtsushi Amano
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Sep 11, 2021·Journal of Vascular Surgery·Ming LiJason T Lee

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