Tranexamic acid use to decrease blood loss in primary shoulder and elbow replacement: a systematic review and meta-analysis  

Richard L Donovan*, Jonny Varma, Michael R Whitehouse, Ashley W Blom, Setor K Kunutsor

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

Abstract

Purpose
Tranexamic acid (TXA) is an inexpensive antifibrinolytic agent that significantly reduces peri-operative blood loss and transfusion requirements after total hip and knee replacement. This meta-analysis demonstrates the effects of TXA on blood loss in total shoulder replacement (TSR) and total elbow replacement (TER).

Methods
We systematically searched MEDLINE, EMBASE and CENTRAL from inception to 03 September 2020 for randomised controlled trial (RCTs) and observational studies. Our primary outcome was blood loss. Secondary outcomes included the need for blood transfusion, and post-operative venous thromboembolic (VTE) complications. Mean differences (MD) and relative risks with 95% confidence intervals (CIs) were reported.

Results
Four RCTs and five retrospective cohort studies (RCS) met eligibility criteria for TSRs, but none for TERs. RCT data determined that TXA administration significantly decreased estimated total blood loss (MD=-358mL), post-operative blood loss (MD=-113mL), change in haemoglobin (Hb) (MD=-0.71g/dL) and total Hb loss (MD=-35.3g) when compared to placebo. RCS data demonstrated significant association between TXA administration and decreased in post-operative blood loss, change in Hb, change in Hct and length of stay. There was no significant difference in transfusion requirements or VTE complications.

Conclusion
TXA administration in safe and effective in patients undergoing primary TSR: it significantly decreases blood loss compared with placebo and is associated with shorter length of stay compared with no treatment. No significant increase in VTE complications was found. TXA administration should be routinely considered for patients undergoing TSR. Further research is needed to demonstrate the treatment effect in patients undergoing TER.
Original languageEnglish
JournalJournal of Orthopaedics
Publication statusAccepted/In press - 7 Mar 2021

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