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Eur J Vasc Endovasc Surg. 2000 Nov;20(5):466-9.

Growth of thrombus may be a better predictor of rupture than diameter in patients with abdominal aortic aneurysms.

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  • 1Department of Vascular Surgery, Karolinska Hospital, Stockholm, Sweden.

Abstract

OBJECTIVES:

to investigate the relationships between diameter, surface and thrombus area in abdominal aortic aneurysms (AAAs) <5 cm.

METHODS AND MATERIAL:

sixty-seven patients with AAA underwent at least 2 CT examinations. At the point of maximal diameter, surface area and thrombus area were calculated and related to rupture, or impending rupture, during follow-up.

RESULTS:

the mean increase in measured diameter, surface area and thrombus area were 3.4 mm, 1.9 cm(2)and 1.7 cm(2)per year respectively. Patients with AAA >4 cm and whose thrombus area increased >1.5 cm(2)/year were more likely to rupture (6/24 vs 1/23).

CONCLUSIONS:

a rapid increase of thrombus area may be a better predictor of AAA rupture than increase in maximal diameter.

Copyright 2000 Harcourt Publishers Ltd.

PMID:
11112467
[PubMed - indexed for MEDLINE]
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