Atherosclerosis is a disease with a chronic-progressive course. We report on the statistic prevalence of vascular lesions in 1,500 asymptomatic patients with vascular diseases examined with Computed Tomography (CT) for different reasons. The aortoiliac arterial district was involved in 934/1,500 patients (62.3%), with simple or calcified plaques, thrombosis or dilatations. We investigated the involvement of other arterial vessels (47%) whenever feasible (57.7% of cases). The aorta was thrombosed in 107 patients (2.8%) and the thrombus associated with a calcification and a dilated vessel in 45 of them (42.1%). The aorta or the iliac arteries were enlarged in 62 patients (4.1%) and arterial diameter exceeded 4 cm in 20 patients (1.3%). Finally, the statistical significance was analyzed considering risk factors-i.e., smoking, arterial hypertension, diabetes and hypolipoproteinemia. All the patients with 2 or more risk factors had positive CT findings; the prevalence was 75% in cigarette smokers, 83% in hypertensive, 81.3% in dislipidemic and 93.5% in diabetic patients. These data demonstrate that, in agreement with international literature reports, it is possible to single out the groups of patients that, because of their age, risk factors and sex, should be considered for color Doppler screening programs and the selected cases to be submitted to CT.
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|Titolo:||Assessment of "occasional" atherosclerotic lesions identified with computerized tomography. Analysis of tomodensitrometric findings and identification of "risk" groups in 1,500 patients|
|Data di pubblicazione:||1997|
|Appare nelle tipologie:||1.1 Articolo in rivista|