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The outcomes of intravascular ultrasound-guided drug-eluting stent implantation among patients with complex coronary lesions: a comprehensive meta-analysis of 15 clinical trials and 8,084 patients [Anatol J Cardiol]
Anatol J Cardiol. 2017; 17(4): 258-268 | DOI: 10.14744/AnatolJCardiol.2016.7461  

The outcomes of intravascular ultrasound-guided drug-eluting stent implantation among patients with complex coronary lesions: a comprehensive meta-analysis of 15 clinical trials and 8,084 patients

Zhong Guo Fan1, Xiao Fei Gao2, Xiao Bo Li2, Ming- Xue Shao2, Ya Li Gao1, Shao Liang Chen2, Nai Liang Tian2
1Department of Cardiology, Nanjing First Hospital, Nanjing Medical University; Nanjing-PRC
2Department of Cardiology, Nanjing First Hospital, Nanjing Medical University; Nanjing; Department of Cardiology, Nanjing Heart Center; Nanjing-PRC

Objective: The effects of intravascular ultrasound (IVUS)-guided drug-eluting stent (DES) implantation in patients with complex coronary artery lesions remains to be controversial. This study sought to evaluate the outcomes of IVUS guidance in these patients. Methods: The EMBASE, Medline, and other internet sources were searched for relevant articles. The primary endpoint was major adverse cardiac events (MACE), including all-cause mortality, myocardial infarction (MI), and target-vessel revascularization (TVR). The incidence of definite/probable stent thrombosis (ST) was analyzed as the safety endpoint. Results: Fifteen clinical trials involving 8.084 patients were analyzed. MACE risk was significantly decreased following IVUS-guided DES implantation compared with coronary angiography (CAG) guidance (odds ratio [OR] 0.63, 95% confidence intervals [CI]: 0.530.73, p<0.001), which might mainly result from the lower all-cause mortality risk (OR 0.52, 95% CI: 0.400.67, p<0.001), MI (OR 0.70, 95% CI: 0.560.86, p=0.001), and TVR (OR 0.53, 95% CI: 0.400.70, p<0.001). The subgroup analyses indicated better outcomes of IVUS guidance in DES implantation for these patients with left main disease or bifurcation lesions. Conclusion: IVUS guidance in DES implantation is associated with a significant reduction in MACE risk in patients with complex lesions, particularly those with left main disease or bifurcation lesions. More large and powerful randomized trials are still warranted to guide stenting decision making.

Keywords: intravascular ultrasound, drug-eluting stent, complex lesions, meta-analysis


Zhong Guo Fan, Xiao Fei Gao, Xiao Bo Li, Ming- Xue Shao, Ya Li Gao, Shao Liang Chen, Nai Liang Tian. The outcomes of intravascular ultrasound-guided drug-eluting stent implantation among patients with complex coronary lesions: a comprehensive meta-analysis of 15 clinical trials and 8,084 patients. Anatol J Cardiol. 2017; 17(4): 258-268

Corresponding Author: Nai Liang Tian, China


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