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Clinical TrialAvailable online 15 November 2017

JOURNAL：JACC Cardiovasc Interv. Article Link

Clinical Outcomes Following Intravascular Imaging-Guided Versus Coronary Angiography–Guided Percutaneous Coronary Intervention With Stent Implantation: A Systematic Review and Bayesian Network Meta-Analysis of 31 Studies and 17,882 Patients

Buccheri S, Franchina G, Capodanno D et al. Keywords: clinical outcomes; coronary angiography; intravascular ultrasound; optical coherence tomography; percutaneous coronary intervention

ABSTRACT

OBJECTIVES - The authors sought to explore the comparative clinical efficacy of different imaging modalities for guiding percutaneous coronary interventions (PCI).

BACKGROUND - Coronary angiography (CA) is the standard imaging modality for intraprocedural guidance of PCI. Intracoronary imaging techniques, including intravascular ultrasound (IVUS) and optical coherence tomography (OCT), can overcome some limitations of CA.

METHODS - Comprehensive hierarchical Bayesian network meta-analysis of randomized clinical trials and adjusted observational studies comparing clinical outcomes of PCI with stent implantation guided by CA, IVUS, or OCT.

RESULTS - A total of 31 studies encompassing 17,882 patients were included. Compared with CA guidance, the risks of all-cause death (odds ratio [OR]: 0.74, 95% credible interval [CrI]: 0.58 to 0.98), myocardial infarction (OR: 0.72, 95% CrI: 0.52 to 0.93), target lesion revascularization (OR: 0.74, 95% CrI: 0.58 to 0.90) and stent thrombosis (OR: 0.42, 95% CrI: 0.20 to 0.72) were significantly reduced by IVUS guidance. PCI guidance using either IVUS or OCT was associated with a significant reduction of major adverse cardiovascular events (OR: 0.79, 95% CrI: 0.67 to 0.91 and OR: 0.68, 95% CrI: 0.49 to 0.97, respectively) and cardiovascular death (OR: 0.47, 95% CrI: 0.32 to 0.66 and OR: 0.31, 95% CrI: 0.13 to 0.66, respectively). No differences in terms of comparative clinical efficacy were found between IVUS and OCT for all the investigated outcomes. Pooled estimates were consistent across several sensitivity analyses. However, the treatment effect of IVUS on all-cause death was neutralized in the analysis restricted to randomized clinical trials (OR: 1.03, 95% CrI: 0.41 to 2.14).

CONCLUSIONS - Compared with CA, the use of intravascular imaging techniques for PCI guidance reduces the risk of cardiovascular death and adverse events.

Click here to read the related editorial titled "Intravascular Imaging and Stent Implantation and the Elephant in the Room" by Gary S. Mintz.

科研文章

荐读文献

Clinical Outcomes Following Intravascular Imaging-Guided Versus Coronary Angiography–Guided Percutaneous Coronary Intervention With Stent Implantation: A Systematic Review and Bayesian Network Meta-Analysis of 31 Studies and 17,882 Patients

ABSTRACT