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Clinical value of post–percutaneous coronary intervention fractional flow reserve value: A systematic review and meta-analysis
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Clinical value of post–percutaneous coronary intervention fractional flow reserve value: A systematic review and meta-analysis
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Journal Article
Clinical value of post–percutaneous coronary intervention fractional flow reserve value: A systematic review and meta-analysis
2017
Overview
Fractional flow reserve (FFR) prior to percutaneous coronary intervention (PCI) is useful to guide treatment. Whether post-PCI FFR assessment might have clinical impact is controversial. The aim of this study is to evaluate the range of post-PCI FFR values and analyze the relationship between post-PCI FFR and clinical outcomes.
We systematically searched the PubMed, EMBASE, and Cochrane Library databases with cross-referencing of articles reporting post-PCI FFR and correlating post-PCI FFR values and clinical outcomes. The outcomes of interest were the immediate post-PCI FFR values and the correlations between post-PCI FFR and the incidence of repeat intervention and major adverse cardiac events (MACE).
From 1995 to 2015, a total of 105 studies (n = 7470) were included, with 46 studies reporting post-PCI FFR and 59 studies evaluating relationship between post-PCI and clinical outcomes up to 30 months after PCI. Overall, post-PCI FFR values demonstrated a normal distribution with a mean value of 0.90 ± 0.04. There was a positive correlation between the percentage of stent use and post-PCI FFR (P < .0001). Meta-regression analysis indicated that higher post-PCI FFR values were associated with reduced rates of repeat intervention (P < .0001) and MACE (P = .0013). A post-PCI FFR ≥0.90 was associated with significantly lower risk of repeat PCI (odds ratio 0.43, 95% CI 0.34-0.56, P < .0001) and MACE (odds ratio 0.71, 95% CI 0.59-0.85, P = .0003).
FFR measurement after PCI was associated with prognostic significance. Further investigation is required to assess the role of post-PCI FFR and validate cutoff values in contemporary clinical practice.
Publisher
Elsevier Inc,Elsevier Limited
Subject
