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Title: Study of coronary artery perforation during percutaneous coronary intervention in the Cangzhou Chinese population
Author(s): Y. Liu , Z. Xu , W. Peng , Z. Song , Z. Ma , B. Wang , J. Zhang , S. Dai , T. Geng , Y. Yuan
Journal: Acta Cardiologica
Volume: 69    Issue: 2   Date: 2014   
Pages: 139-143
DOI: 10.2143/AC.69.2.3017294

Abstract :
Objective: Coronary artery perforation (CAP) is a rare, serious complication of percutaneous coronary intervention (PCI). Many studies have addressed the incidence, risk factors, and management of CAP in different countries except China. The aim of this study is to determine the risk factors and types of treatment for coronary perforation occurring in patients undergoing PCI and living in the Cangzhou Chinese population.
Methods and results: A retrospective cohort of 12,113 patients who underwent PCI was used: 64 patients with CAP and 192 case-control patients were evaluated. Clinical data and findings from coronary arteriography and PCI were analysed. Logistic regression was used to evaluate candidate risk factors for CAP. The treatments were also evaluated. The incidence of CAP in patients undergoing PCI was 0.53%, and the mortality was 7.8% (5/64). Risk factors included female gender, hypertension, non-ST-elevation acute coronary syndrome (NSTE-ACS), right coronary artery (RCA) lesion, calcified lesion, and chronic total occlusion (CTO) (all P < 0.05, all OR > 1). CTO had the highest risk (OR = 5.077, P < 0.001). Patients with class I CAP underwent conservative treatment. Patients with class II CAP underwent conservative treatment or low-pressure balloon dilatation (61.1% and 22.2%, respectively). Patients with class III CAP underwent low-pressure balloon dilatation, coated-stent implantation, and emergency surgery (40.9%, 27.3%, and 22.7%, respectively).
Conclusions: CAP risk factors in Cangzhou Chinese patients undergoing PCI included CTO, NSTE-ACS, hypertension, calcified and RCA lesions, and female gender. Different treatment methods should be used according to the different classes of CAP.

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