The Influence of Neck Thrombus…

The Influence of Neck Thrombus on Clinical Outcome and Aneurysm Morphology After Endovascular Aneurysm Repair

Suitability of the aneurysm neck anatomy remains an important factor in planning EVAR. This study investigates the effect of aneurysm neck thrombus on morphological and clinical outcomes. The study was conducted from 2004-2008 in two centres in Netherlands and included a total of 389 patients. Patients were divided into 2 groups: those with significant thrombus in the neck (>2 mm in thickness in at least >25% of circumference) and compared to those without neck thrombus. The estimated 5-year clinical success rate was 74% for the thrombus group and 62% for the no-thrombus group (P = 0.23). Endograft migration was more frequent in the thrombus group (P = .02). Multivariable analysis showed a significant association between migration and use of a device without active fixation (hazard ratio, 4.9; 95% confidence interval, 1.31-18.23; P = .018) but not with the presence of neck thrombus (P = .063).
The authors conclude that the presence of aneurysm neck thrombus has no significant influence on short-term and midterm EVAR results.
Journal of Vascular Surgery 2012;56(1):36-44

Headline: Presence of aneurysm neck thrombus has no significant influence on short-term and midterm EVAR results

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