Journal of Cardio-Thoracic Medicine

Journal of Cardio-Thoracic Medicine

Optimal Stent Expansion by Stent Balloon Multiple Inflation at Nominal Pressure in Resistant Lesions: A New Technique

Document Type : Original Article

Authors
Amir Hossein Khosh Nasab 1
Mahmoud Mohammadzadeh Shabestri 2
Ali Eshraghi 2
Majid Jalalyazdi 3
1 Resident of Cardiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
2 Cardiologist,Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
3 Cardiologist, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
10.22038/jctm.2015.4753
Abstract
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.
Keywords
Coronary Artery Disease
Interventional Cardiology
Stent
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Journal of Cardio-Thoracic Medicine
Volume 3, Issue 3 - Serial Number 3
Summer 2015
Pages 340-343