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  • Title: Early and midterm results of kissing stent technique in the management of aortoiliac obstructive disease.
    Author: Pulli R, Dorigo W, Fargion A, Angiletta D, Azas L, Pratesi G, Alessi Innocenti A, Pratesi C.
    Journal: Ann Vasc Surg; 2015 Apr; 29(3):543-50. PubMed ID: 25595108.
    Abstract:
    BACKGROUND: To retrospectively analyze the early and the midterm results of endovascular management of aortoiliac obstructive disease with the kissing stent technique. METHODS: From January 2005 to September 2012, 229 consecutive endovascular interventions for aortoiliac obstructive disease were performed; data from all the interventions were prospectively collected in a dedicated database. In 41 patients, the kissing stent technique at the level of aortic bifurcation was performed (group 1), whereas in the remaining 188 it was not (group 2). Perioperative results were compared with chi-squared test. Follow-up results were analyzed with Kaplan-Meier curves and compared with log-rank test. RESULTS: Trans-Atlantic Inter-Society Consensus II C and D lesions were present in 66% of patients in group 1 and in 28.5% in group 2 (P < 0.001), whereas iliac occlusion rather than stenosis was detected in 78% of patients in group 1 and in 50% in group 2 (P = 0.001). The mean number of placed stents was 2.5 in group 1 and 1.4 in group 2 (P < 0.001). Technical success was 100% in group 1 and 98% in group 2 (P = 0.3). The rate of perioperative complications was 7.3% in group 1 and 4.2% in group 2 (P = 0.4). At 30 days, neither deaths nor major cardiovascular complications occurred. There was no thrombosis or significant restenosis at the early postoperative follow-up visit. Mean duration of follow-up was 22 months. Primary patency rates at 4 years were 70.5% (standard error [SE], 0.09) in group 1 and 75.5% (SE, 0.06) in group 2 (P = 0.7). At the same interval, assisted primary and secondary patency and survival rates were also similar; reintervention rates were 15.5% in group 1 (SE, 0.1) and 19.5% in group 2 (SE, 0.06; P = 0.6). CONCLUSIONS: The kissing stent technique provided satisfactory results in patients with obstructive aortoiliac diseases, without an increase in immediate and midterm complications, representing an effective solution in complex anatomies.
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