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  • Title: [Long iliac artery occlusions: Feasibility, short- and mid-term outcome].
    Author: Müller-Leisse C, Janssen R, Hajeck KL, Korsten F, Kippels A, Kamphausen U.
    Journal: Rofo; 2001 Dec; 173(12):1079-85. PubMed ID: 11740667.
    Abstract:
    PURPOSE: It was the aim of the following study to determine the feasibility of the recanalization of long occlusions in iliac arteries and to establish its patency rate. MATERIAL AND METHODS: We retrospectively evaluated the data of 23 patients (15 male and 8 female) with occlusions of the iliac arteries with a mean length of 12 cm (range: 9-15 cm). The occlusions were situated either in the common iliac artery (CIA) (n = 3), in the external iliac artery (EIA) (n = 12) or in both CIA and EIA (n = 7). In one patient three vessels, the common femoral artery included, were involved. The recanalization procedure was performed with wire and catheter from retrograde and, in case of a failure, from antegrade in a cross-over technique. RESULTS: Recanalization succeeded in all patients. Technical success defined as residual stenosis < 30 % was seen in 20 of 23 patients. Early reocclusions were seen in four patients, in three of whom, the stent dilatation had been incomplete. Late reocclusions were observed in three patients, one of whom had already had early reocclusion. The reason was stent breakage in one, stent dehiscence in the second and restenosis in the third patient. All of the patients with reocclusion either early or late, had received covered stents. In four patients restenosis developed within 30 months: It was successfully treated by ballon dilatation or stent. Embolism during the recanalization procedure was observed in six patients. Embolism was observed on the ipsilateral side in five, and on the contralateral side in one patient. In each patient who had experienced embolism, balloon dilatation had been performed before stent implantation. CONCLUSION: 1) There is some evidence that the recanalization of long iliac artery occlusions is feasible. 2) The main reason for early and late reocclusions is either rest stenosis or restenosis. 3) Covered stents should only be used in selected cases. 4) Primary stenting is the treatment of choice in order to prevent embolism.
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