[Carotid stenting with the new slotted tube stent--prospective multicenter study. Essen experiences]].
UNLABELLED: The indication for therapy of high degree carotid stenoses is discussed controversely in regard to new publications. Only symptomatic carotid stenoses are accepted as indication for operative therapy (arterectomy). The new method of carotid stenting was investigated in several studies and needs to be proved in controlled prospective randomized trials. The use of the self-expanding wall-stent has been established in most working groups; nevertheless some disadvantages should be considered (uncontrolled long segment stenting, covering the origin of ext. carotid artery, insufficient adaptation of struts in carotid communis). After development of a new flexible multicellular balloon-expanding stent (Jo-Carotisstent) with sufficient flexibility and compressibility and different stent lengths, the use of this stent in high degree carotid stenoses was investigated. The aim of this study was to analyze the acute and long-term quantitative stent results (angiography and duplex sonography) and clinical results periinterventionally and during follow-up (0.5-1 year). METHODS: Selective approach from femoral, 8 Fr.-guiding catheter, canalization of stenosis with coronary guide wire (0.014 inch), primary PTA with coronary balloon. RESULTS: In 47 of 48 patients with 49 carotid stenoses, successful stent implantation was achieved (97.9%). In 2 patients TIA of short duration (4.2%) and in 1 patient (2.1%) a minor stroke occurred. All stents could be implanted with optimal reference diameter. During follow up after 0.5 year no significant proliferative restenosis was observed. The quantitative analysis showed excellent stent-diameter after 0.5 year with only minimal recoil (< 5%) and no clinical event. CONCLUSION: Using a new flexible and non-deforming multicellular balloon-expanded stent, selective stenting of high degree carotid artery stenoses can be realized with an excellent procedural success rate and a complication rate comparable with the results of other publicated studies. The results after 0.5 year follow-up seem to be promising.
Jacksch, R; Schiele, TM; Knobloch, W; Niehues, R; Hauser, ER; Massalha, K
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