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Utilization and Outcomes of Measuring Fractional Flow Reserve in Patients With Stable Ischemic Heart Disease Medical Therapy for CTEPH: Is There Still Space for More? Diagnostic Performance of Angiogram-Derived Fractional Flow Reserve: A Pooled Analysis of 5 Prospective Cohort Studies Local Low Shear Stress and Endothelial Dysfunction in Patients With Nonobstructive Coronary Atherosclerosis Circulating Plasma microRNAs In Systemic Sclerosis-Associated Pulmonary Arterial Hypertension The Impact of Coronary Physiology on Contemporary Clinical Decision Making Randomized trial of simple versus complex drug-eluting stenting for bifurcation lesions: the British Bifurcation Coronary Study: old, new, and evolving strategies Impact of low tissue backscattering by optical coherence tomography on endothelial function after drug-eluting stent implantation Genetic analyses in a cohort of 191 pulmonary arterial hypertension patients Coronary Artery Intraplaque Microvessels by Optical Coherence Tomography Correlate With Vulnerable Plaque and Predict Clinical Outcomes in Patients With Ischemic Angina

Review ArticleVolume 74, Issue 25, December 2019

JOURNAL:J Am Coll Cardiol. Article Link

Limitations of Repeat Revascularization as an Outcome Measure

P Lamelas, J Belardi, R Whitlock et al. Keywords: CABG; coronary artery disease; PCI; revascularization

ABSTRACT

Repeat revascularization is a commonly used outcome measure in trials comparing percutaneous coronary intervention and coronary artery bypass graft surgery, and differences in this outcome often drive the relative risk for the primary endpoint. However, repeat revascularization as an outcome measure has important limitations that complicates its meaningful interpretation, including confounding by indication (driven by varying use of stress testing and thresholds for invasive angiography), differential likelihood of revascularization after graft versus stent failure, uncertainty of the prognostic impact of repeat revascularization, and patient preferences and appraisal of the import of repeat revascularization. Knowledge of these issues will result in better appreciation of the utility of repeat revascularization as a clinically meaningful outcome measure. The authors describe these issues and provide recommendations for the use and assessment of repeat revascularization as an endpoint when comparing different revascularization modalities.