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THE JOURNAL OF CARDIOVASCULAR SURGERY

Rivista di Chirurgia Cardiaca, Vascolare e Toracica


Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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The Journal of Cardiovascular Surgery 2017 August;58(4):633-41

DOI: 10.23736/S0021-9509.17.09877-9

Copyright © 2017 EDIZIONI MINERVA MEDICA

lingua: Inglese

Seizures associated with tranexamic acid for cardiac surgery: a meta-analysis of randomized and non-randomized studies

Hisato TAKAGI 1 , Tomo ANDO 2, Takuya UMEMOTO 1, on behalf of All-Literature Investigation of Cardiovascular Evidence (ALICE) group 

1 Department of Cardiovascular Surgery, Shizuoka Medical Center, Shizuoka, Japan; 2 Department of Cardiology, Detroit Medical Center, Detroit, MI, USA


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INTRODUCTION: The aim of this meta-analysis was to assess whether tranexamic acid (TXA) therapy for adult cardiac surgery is associated with an increase in the risk of seizures, and we performed a meta-analysis of randomized controlled trials (RCTs) and non-randomized observational studies.
EVIDENCE ACQUISITION: MEDLINE and EMBASE were searched through December 2016 using PubMed and OVID. Eligible studies were RCTs and non-randomized observational studies on TXA versus control (no TXA, placebo, or active control such as low-dose TXA, aprotinin, and epsilon aminocaproic acid) enrolling adult patients undergoing cardiac surgery and reporting the postoperative incidence of seizures as an outcome. Study-specific estimates were combined using inverse variance-weighted averages of logarithmic odds ratios (ORs) in the random-effects model.
EVIDENCE SYNTHESIS: Of 90 potentially relevant articles screened initially, 16 reports of eligible studies were identified and included. A pooled analysis of all 16 studies (enrolling 45,235 patients) demonstrated that TXA therapy was associated with a statistically significant increase in the seizures incidence (OR=4.13; 95% CI: 2.59 to 6.57; P<0.00001). A subgroup analysis indicated a statistically significant increase in the seizures incidence with TXA therapy in all subgroups of 5 RCTs, 5 adjusted observational studies, and 6 unadjusted observational studies with no statistically significant subgroup differences (P=0.36; I2=1.5%).
CONCLUSIONS: The results of the present meta-analysis of 16 studies enrolling 45,235 patients confirmed that TXA therapy for adult cardiac surgery is associated with a 4.1-fold increase in the risk of seizure.


KEY WORDS: Cardiac surgical procedures - Meta-analysis - Seizures - Tranexamic acid

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Publication History

Issue published online: June 5, 2017
Article first published online: March 6, 2017
Manuscript accepted: February 28, 2017
Manuscript received: January 17, 2017

Per citare questo articolo

Takagi H, Ando T, Umemoto T; All-Literature Investigation of Cardiovascular Evidence (ALICE) group. Seizures associated with tranexamic acid for cardiac surgery: a meta-analysis of randomized and non-randomized studies. J Cardiovasc Surg 2017;58:633-41. DOI: 10.23736/S0021-9509.17.09877-9

All-Literature Investigation of Cardiovascular Evidence (ALICE) group

Corresponding author e-mail

kfgth973@ybb.ne.jp