Cardiovascular Intervention Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, IR Iran.
Abstract
Background: The size of the coronary stent has an important role in the efficacy of stenting and its complications. The present study focused on the clinical outcomes of undersized, normal-sized, and oversized stenting.
Methods: This historical cohort study, conducted from April 2016 to March 2017 at Rajaie Cardiovascular Medical and Research Center, analyzed the results of elective percutaneous coronary intervention (PCI) and angiography on patients who met the inclusion criteria. Based on the ratio between the stent and the reference vessel, the patients were divided into 3 groups: undersized stenting (stent diameter/reference vessel diameter <0.9), normal-sized stenting (ratio=0.9–1), and oversized stenting (ratio>1). Data on demographic characteristics, procedural characteristics, underlying diseases, the hospital length of stay, major adverse cardiac events (MACE), post- PCI restenosis, stent thrombosis, and post-PCI cerebrovascular accident were extracted from the patients’ files and entered into a checklist.
Results: Oversized stenting significantly reduced the incidence of MACE 1 year after PCI compared with undersized and normal-sized stenting. The incidence of rehospitalization for acute coronary syndrome was 7.5 times lower in oversized stenting than in undersized stenting (P=0.002). The incidence of re-PCI on the involved vessel decreased significantly with an increase in the stent size (P=0.017). Additionally, there was no incidence of stent restenosis in oversized stenting (P=0.001). The other outcomes had no significant correlation with the stent size.
Conclusions: Based on the results of our study, oversized stenting could improve clinical outcomes. (Iranian Heart Journal 2021; 22(2): 44-50)
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Alemzadeh-Ansari, M. J., Kyavar, M., Khalesi, S., Dalouchi, S., Noohi, F., Maleki, M., Peighambari, M. M., Firouzi, A., Mohebbi, B., Zadehmehr, A., Rashidinejad, A., Shakerian, F., Kiani, R., & Khalili, Y. (2021). Outcomes of Oversized Coronary Stenting in Patients Undergoing Elective Percutaneous Coronary Intervention. Iranian Heart Journal, 22(2), 44-50.
MLA
Mohammad Javad Alemzadeh-Ansari; Majid Kyavar; Somayeh Khalesi; Saeid Dalouchi; Feridoun Noohi; Majid Maleki; Mohammad Mehdi Peighambari; Ata Firouzi; Bahram Mohebbi; Ali Zadehmehr; Alireza Rashidinejad; Farshad Shakerian; Reza Kiani; Yasaman Khalili. "Outcomes of Oversized Coronary Stenting in Patients Undergoing Elective Percutaneous Coronary Intervention". Iranian Heart Journal, 22, 2, 2021, 44-50.
HARVARD
Alemzadeh-Ansari, M. J., Kyavar, M., Khalesi, S., Dalouchi, S., Noohi, F., Maleki, M., Peighambari, M. M., Firouzi, A., Mohebbi, B., Zadehmehr, A., Rashidinejad, A., Shakerian, F., Kiani, R., Khalili, Y. (2021). 'Outcomes of Oversized Coronary Stenting in Patients Undergoing Elective Percutaneous Coronary Intervention', Iranian Heart Journal, 22(2), pp. 44-50.
VANCOUVER
Alemzadeh-Ansari, M. J., Kyavar, M., Khalesi, S., Dalouchi, S., Noohi, F., Maleki, M., Peighambari, M. M., Firouzi, A., Mohebbi, B., Zadehmehr, A., Rashidinejad, A., Shakerian, F., Kiani, R., Khalili, Y. Outcomes of Oversized Coronary Stenting in Patients Undergoing Elective Percutaneous Coronary Intervention. Iranian Heart Journal, 2021; 22(2): 44-50.
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