Remote Ischemic Conditioning in Percutaneous Coronary Intervention and Coronary Artery Bypass Grafting - Meta-Analysis of Randomized Trials

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Abstract

Background: Although remote ischemic conditioning (RIC) by transient limb ischemia in percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) has shown favorable effects on myocardial (ischemia-reperfusion) injury, recent trials provide inconsistent results. The aim of the present study was to assess the effect of RIC in PCI or CABG. Methods and Results: Medline/Embase/conference reports were searched for randomized RIC trials and were included if they reported on biomarkers of myocardial injury (CK-MB/troponin T/I), after which, standardized mean differences (SMDs) were calculated (Hedges g statistic). Meta-analysis of 4 studies on PCI, involving 557 patients, indicated reduced biomarkers for myocardial injury with RIC compared to control (random effects model: SMD, -0.21; 95% confidence interval [Cl]: -0.66 to 0.24). Analy Conclusions: In patients undergoing PCI or CABG, RIC with transient episodes of limb ischennia is associated with lower biomarkers of myocardial injury compared to control, but this effect failed to reach statistical significance in the overall PCI analysis. (Circ J 2012; 76: 2392-2404)
Original languageUndefined/Unknown
Pages (from-to)2392-2404
Number of pages13
JournalCirculation Journal
Volume76
Issue number10
DOIs
Publication statusPublished - 2012

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