PMID: 11917661Mar 29, 2002Paper

Isolated iliac deep venous thrombosis. Study of 48 cases seen in 7 years among 18,297 echo-Doppler evaluations of the lower limbs

Journal des maladies vasculaires
M T BarrellierJ M Monsallier

Abstract

Isolated iliac venous thrombosis (IIVT) is uncommon. Duplex ultrasonography of the iliac vessels is not recommended and not generally performed. The purpose of this study was to determine the frequency of IIVT in a hospital recruitment population and to identify characteristic features of onset which might be associated with this localization in order to better target explorations. The study included 18,297 patients referred for Duplex-ultrasonographic exploration of possible deep vein thrombosis of the lower limbs between January 1st 1994 and December 31st 2000. Selection of isolated iliac thrombosis, defined as the absence of retrograde extension to the common femoral vein, was made from the digitalized data recorded daily. The following factors were tested: sex, age, absence of clinical signs in the lower limb, presence of pulmonary signs. The raw odds ratios were calculated followed by construction of a multivariate logistic regression model. The circumstances of onset were retrieved from the patient's medical files. Isolated iliac venous thrombosis was discovered in 48 patients, i.e. 0.26% (95% CI 0.19%-0.35%) in the recruitment population and 0.82% (95% CI 0.61%-1.09%) among the 5827 patients with thrombosis. The common i...Continue Reading

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