• In 1996 Nitecki et al. [36] presented a series of 29 consecutive patients with an inflammatory aneurysm, who were matched in a case-control fashion to a group of 58 patients with noninflammatory aneurysms.

• The two groups had comparable characteristics of age, gender and cardiovascular risk factors.

Fig. 5.3.4 Spiral CT indicating inflammatory aortic aneurysm with contained rupture at the posterior site (arrow)

• Patients with inflammatory aneurysms were significantly more symptomatic than those with noninflammatory aneurysms (93% vs. 9%, P<0.001), were more likely to have a family history of aneurysms (17% vs. 1.5%, P=0.007) and tended to be current smokers (45% vs. 24%, P=0.049).

• An elevated erythrocyte sedimentation rate was documented in 89% of the inflammatory series, compared with only 11% in the noninflammatory series (P<0.00001).

• In addition, inflammatory aneurysms were significantly larger than noninflammatory aneurysms at presentation (6.8 cm vs. 5.9 cm, P<0.05).

• The same findings were reported in a second case-control study, presented by Bonamigo et al. [6].

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Diabetes 2

Diabetes 2

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