Abstract:
:Evidence is emerging that the contribution of atherosclerosis to the development of abdominal aortic aneurysm may differ from that of other manifestations of arterial disease. B-mode ultrasound may be helpful in understanding the characteristics and factors that contribute to the development of different manifestations of arterial disease. We examined whether there is a difference in common carotid intima-media thickness (IMT), an indicator of generalized atherosclerosis, in patients with peripheral arterial disease (PAD) and abdominal aortic aneurysm (AAA). IMT of the left and right common carotid artery was measured in the first 172 patients (123 PAD and 49 AAA) enrolled in the Second Manifestations of ARTerial disease (SMART) study, a cohort study among patients with a manifestation of atherosclerotic vascular disease or risk factors for atherosclerosis. Mean IMT was 0.98 +/- 0.34 mm in patients with PAD and 0.91 +/- 0.20 mm in patients with AAA, with an age and sex adjusted mean difference of 0.18 mm (95% CI 0.08; 0.28). After additional adjustments for cardiovascular risk factors, the difference remained 0.11 mm (95% Cl 0.01; 0.21). Common carotid IMT in patients with AAA is on average smaller than in patients with PAD, independent of other determinants of IMT. These findings support the view that the development of AAA cannot completely be explained by atherosclerosis and is in part due to other pathophysiological mechanisms.
journal_name
Atherosclerosisjournal_title
Atherosclerosisauthors
Simons PC,Algra A,Bots ML,Banga JD,Grobbee DE,van der Graaf Ydoi
10.1016/s0021-9150(99)00142-2keywords:
subject
Has Abstractpub_date
1999-10-01 00:00:00pages
243-8issue
2eissn
0021-9150issn
1879-1484pii
S0021-9150(99)00142-2journal_volume
146pub_type
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