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Effect of ivabradine on major adverse cardiovascular events and mortality in critically ill patients: a systematic review and meta-analyses of randomised controlled trials with trial sequential analyses.

Abstract：

BACKGROUND:Ivabradine lowers heart rate (HR) without affecting contractility or vascular tone. It is licensed for HR control in chronic heart diseases. We performed a systematic review and meta-analyses to examine whether ivabradine could decrease major adverse cardiovascular events (MACE) and mortality in critically ill patients. METHODS:We searched Medline, Embase, Cochrane Library, and Web of Science for RCTs. Trial quality was assessed using the Cochrane risk of bias tool. Random-effects meta-analyses were performed if at least three trials or 100 patients were available. Results are reported as weighted mean difference (WMD), odds ratio (OR), and 95% confidence intervals (CIs). Trial sequential analyses were performed to estimate the sample size needed to reach definitive conclusions of efficacy or futility. RESULTS:We included 13 RCTs (n=1497 patients). We found no evidence of an impact of ivabradine on MACE (three RCTs, 819 patients; OR=0.77; 95% CI, 0.53-1.11) or mortality (10 RCTs, 1356 patients; OR=1.07; 95% CI, 0.63-1.82), but sample sizes were not reached to allow definitive conclusions. Compared with placebo or standard care, ivabradine reduced HR (eight RCTs, 464 patients; WMD, -9.5 beats min-1; 95% CI, -13.3 to -5.8). Risk of bradycardia was not different between ivabradine and control (five RCTs, 434 patients; OR=1.2; 95% CI, 0.60-2.38). Risk of bias was overall high or unclear. CONCLUSIONS:Ivabradine reduces HR compared with placebo or standard care. The effect on MACE or mortality in acute care remains unclear. Further RCTs powered to detect changes in clinically relevant outcomes are warranted. CLINICAL TRIAL REGISTRATION:Prospero CRD42018086109.

journal_name

Br J Anaesth

journal_title

British journal of anaesthesia

authors

Chen A,Elia N,Dunaiceva J,Rudiger A,Walder B,Bollen Pinto B

doi

10.1016/j.bja.2020.01.027

subject

Has Abstract

pub_date

2020-06-01 00:00:00

pages

726-738

issue

eissn

0007-0912

issn

1471-6771

pii

S0007-0912(20)30096-9

journal_volume

124

pub_type

杂志文章,meta分析

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Effect of ivabradine on major adverse cardiovascular events and mortality in critically ill patients: a systematic review and meta-analyses of randomised controlled trials with trial sequential analyses.