Article Abstract

Efficacy of tranexamic acid in reducing blood loss and blood transfusion in idiopathic scoliosis: a systematic review and metaanalysis

Authors: Turki Alajmi, Halah Saeed, Khalid Alfaryan, Ahmed Alakeel, Thamer Alfaryan

Abstract

Background: Tranexamic acid is a synthetic lysine-analogue antifibrinolytic that competitively inhibits the activation of plasminogen to plasmin, it is a well-documented blood sparing agent. However, its routine use in idiopathic scoliosis surgery is poorly documented. The objective of this meta-analysis was to determine TXA’s efficacy in reducing blood loss and blood transfusion in idiopathic scoliosis surgery.
Methods: Five databases (Medline, PubMed, Web of Science, Embase and The Cochrane Central Register of Controlled Trials) were searched to identify the relevant randomized controlled trials (RCTs), prospective cohort control (PCC), and retrospective controlled trails regarding the TXA efficacy in idiopathic scoliosis surgery. Mean differences (MDs) of blood loss and blood transfusions in TXA-treated group compared to control and/or placebo group were extracted and combined using random-effect meta-analysis model.
Results: A total of seven studies comprising 426 patients were included in the meta-analysis according to the pre-defined selection criteria. TXA-treated group had an overall significantly (P<0.005) less volume of blood loss [ES (MD) =727.71 mL; CI, 281.86–1,173.56 mL]. Six studies comprising 346 patients TXAtreated group had an overall significantly {P<0.001 less transfusion volume [ES (MD) =268.30 mL; CI, 105.19–431.44 mL]}.
Conclusions: Patients treated with TXA had a significantly lower blood loss and lower rates of allogeneic blood transfusion than the control group. Further investigation is required regarding the safety of TXA before it can be generalized in the use of idiopathic scoliosis surgery.

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