Key result
Following endoluminal repair, 88% of AAAs without contrast extravasation decreased in diameter, whereas all AAAs with a leak progressively increased in size (p=0.001).
Why the study?
Does the presence of contrast extravasation (leak) after endoluminal repair of abdominal aortic aneurysms affect the postoperative size of the aneurysm?
Population
30 patients undergoing endoluminal repair of abdominal aortic aneurysms available for follow-up at 6 months…
Comparison
Endoluminal repair of AAA with no contrast… vs Endoluminal repair of AAA with contrast…
Design
Cohort
Follow-up
12 months
Authors
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Endoleak after EVAR may warrant intensified surveillance; leaves open whether intervention alters long-term outcomes.
Cohort (n=30)
Does the presence of contrast extravasation (leak) after endoluminal repair of abdominal aortic aneurysms affect the postoperative size of the aneurysm?
Absolute Event Rate: 88% vs 0%
p-value: p=0.001
Following endoluminal repair of abdominal aortic aneurysms, an increase in aneurysm size is strongly associated with an undetected endoleak, whereas successfully excluded aneurysms progressively decrease in size.
May et al. (1995) conducted a cohort in Abdominal aortic aneurysms (AAA) (n=30). Absence of contrast extravasation (no leak) vs. Contrast extravasation (leak) was evaluated on Decrease in AAA diameter (p=0.001). Following endoluminal repair, 88% of AAAs without contrast extravasation decreased in diameter, whereas all AAAs with a leak progressively increased in size (p=0.001).
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