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Journal of Cardio-Thoracic Medicine. 2015; 3 (3): 340-343
en Inglés | IMEMR | ID: emr-184845

RESUMEN

Introduction: This study aimed to evaluate the effects of four-time inflation of the stent balloon at nominal pressure on optimal stent expansion in resistant lesions


Materials and Methods: This interventional study was conducted on 39 patients with coronary artery lesions, in whom Zotarolimus-eluting stents [N=20], Paclitaxel-eluting stents [N=11] and other stents [N=8] were deployed four times at nominal inflation pressure and increased inflation times [5, 15, 30 and 45 seconds]. After the deployments, enhanced stent visualization imaging technique [IC stent] was used to assess stent placement and artery expansion


Results: In this study, early success rate was estimated at 79.5% using the enhanced stent visualization imaging technique. In addition, major adverse cardiac event [MACE] was determined at 2.6%. Also, conventional methods resulted in lower success rate and higher MACE in resistant lesions


Conclusion: According to the results of this study, four-time stent balloon inflation at nominal pressure could allow adequate stent expansion in resistant lesions leading to lower MACE

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