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Individual Lesion-Level Meta-Analysis Comparing Various Doses of Intracoronary Bolus Injection of Adenosine With Intravenous Administration of Adenosine for Fractional Flow Reserve Assessment

Wijntjens GW, van Uffelen EL, Echavarría-Pinto M, Casadonte L, Stegehuis VE, Murai T, Marques KM, Yoon MH, Tahk SJ, Casella G, Leone AM, López Palop R, Schlundt C, Rivero F, Petraco R, Fearon WF, Johnson NP, Jeremias A, Koo BK, Piek JJ, van de Hoef TP (2020)

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Publication Type: Journal article

Publication year: 2020

Journal

Book Volume: 13

Pages Range: e007893-

Journal Issue: 1

DOI: 10.1161/CIRCINTERVENTIONS.119.007893

Abstract

BACKGROUND: Intravenous infusion of adenosine is considered standard practice for fractional flow reserve (FFR) assessment but is associated with adverse side-effects and is time-consuming. Intracoronary bolus injection of adenosine is better tolerated by patients, cheaper, and less time-consuming. However, current literature remains fragmented and modestly sized regarding the equivalence of intracoronary versus intravenous adenosine. We aim to investigate the relationship between intracoronary adenosine and intravenous adenosine to determine FFR. METHODS: We performed a lesion-level meta-analysis to compare intracoronary adenosine with intravenous adenosine (140 µg/kg per minute) for FFR assessment. The search was conducted in accordance to the Preferred Reporting for Systematic Reviews and Meta-Analysis statement. Lesion-level data were obtained by contacting the respective authors or by digitization of scatterplots using custom-made software. Intracoronary adenosine dose was defined as; low: <40 µg, intermediate: 40 to 99 µg, and high: ≥100 µg. RESULTS: We collected 1972 FFR measurements (1413 lesions) comparing intracoronary with intravenous adenosine from 16 studies. There was a strong correlation (correlation coefficient =0.915; P<0.001) between intracoronary-FFR and intravenous-FFR. Mean FFR was 0.81±0.11 for intracoronary adenosine and 0.81±0.11 for intravenous adenosine (P<0.001). We documented a nonclinically relevant mean difference of 0.006 (limits of agreement: -0.066 to 0.078) between the methods. When stratified by the intracoronary adenosine dose, mean differences between intracoronary and intravenous-FFR amounted to 0.004, 0.011, or 0.000 FFR units for low-dose, intermediate-dose, and high-dose intracoronary adenosine, respectively. CONCLUSIONS: The present study documents clinically irrelevant differences in FFR values obtained with intracoronary versus intravenous adenosine. Intracoronary adenosine hence confers a practical and patient-friendly alternative for intravenous adenosine for FFR assessment.

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APA:

Wijntjens, G.W., van Uffelen, E.L., Echavarría-Pinto, M., Casadonte, L., Stegehuis, V.E., Murai, T.,... van de Hoef, T.P. (2020). Individual Lesion-Level Meta-Analysis Comparing Various Doses of Intracoronary Bolus Injection of Adenosine With Intravenous Administration of Adenosine for Fractional Flow Reserve Assessment. Circulation: Cardiovascular Interventions, 13(1), e007893-. https://doi.org/10.1161/CIRCINTERVENTIONS.119.007893

MLA:

Wijntjens, Gilbert W.M., et al. "Individual Lesion-Level Meta-Analysis Comparing Various Doses of Intracoronary Bolus Injection of Adenosine With Intravenous Administration of Adenosine for Fractional Flow Reserve Assessment." Circulation: Cardiovascular Interventions 13.1 (2020): e007893-.

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