NurseJet
Back to Discover
Systematic ReviewResearchMedication Safety

Tranexamic acid did not improve outcomes across seven hemorrhagic brain-injury trials

Frontiers in neurology (PubMed)Jul 31, 2026

AI-summarized from the linked source. Educational brief, not medical advice.

Brief summary

A systematic review and meta-analysis of seven randomized trials involving more than 12,000 adults found no significant improvement in mortality or neurological outcomes with tranexamic acid across hemorrhagic acute brain injuries.

What NurseJet pulled from the source

Tranexamic acid did not significantly change short- or long-term mortality, functional independence, functional dependence or death, rebleeding, or thromboembolic events versus placebo. The rebleeding estimate was imprecise and heterogeneous, so the authors considered that outcome inconclusive rather than evidence of no possible effect.

Why this matters for nurses

Critical-care, emergency, and neurology nurses administer time-sensitive hemostatic therapy while tracking neurologic status, bleeding, and thrombotic complications. The pooled null result cautions against assuming that tranexamic acid provides a universal outcome benefit across distinct hemorrhagic brain injuries.

Bedside takeaway

Do not generalize a tranexamic-acid benefit across all hemorrhagic brain injuries; use the indication-specific protocol and monitor closely.

How This Applies in Practice

Use this when: Administering or monitoring tranexamic acid for an adult with acute hemorrhagic brain injury under an indication-specific emergency or critical-care protocol.

On your shift

  • Verify the diagnosis-specific indication, ordered dose, timing, contraindication screen, vascular access, and concurrent hemostatic plan before administration.
  • Trend neurologic findings, hemodynamics, bleeding or rebleeding indicators, and signs of venous or arterial thromboembolism through the required observation period.
  • Escalate neurologic deterioration, recurrent bleeding concern, suspected thrombosis, medication error, or uncertainty about whether the patient meets protocol criteria.
Keep in mind: This pooled null result does not replace diagnosis- and timing-specific treatment pathways or authorize withholding an ordered therapy. Follow the emergency or critical-care protocol, facility medication policy, and provider orders.

Key takeaways

  • The review included seven randomized placebo-controlled trials and more than 12,000 hospitalized adults with traumatic brain injury, intracerebral hemorrhage, or subarachnoid hemorrhage.
  • Short-term mortality was not significantly reduced, with a pooled risk ratio of 0.93 and a 95% confidence interval reaching 1.00.
  • Tranexamic acid did not improve functional independence or reduce the combined outcome of functional dependence or death.
  • Rebleeding and thromboembolic events did not differ significantly, but rebleeding results had substantial between-study heterogeneity.

Practice implications

  • Use tranexamic acid only for the protocol-defined indication and ordered regimen, verify dose and timing, and continue serial neurologic, bleeding, and thromboembolic surveillance. Do not interpret the pooled finding as a reason to delay or independently change an indication-specific treatment plan.

Limitations & cautions

  • The review pooled three clinically distinct conditions: traumatic brain injury, spontaneous intracerebral hemorrhage, and subarachnoid hemorrhage. Aggregate results may not resolve timing-dependent or diagnosis-specific effects, and rebleeding estimates were heterogeneous and inconclusive.
  • AI-summarized from the linked source. Review the original article before applying to practice.

Citations

Exact source links

Public citations are filtered to exact credible source pages. Homepage-only or invalid links stay in admin review and are not shown here.

Frontiers in neurology (PubMed)

Frontiers in neurology (PubMed). Tranexamic acid for neurological outcomes and mortality in adults with hemorrhagic acute brain injury: an updated systematic review and meta-analysis of randomized controlled trials.

Open original source

https://pubmed.ncbi.nlm.nih.gov/42602263/

Professional education only

This summary does not replace clinical judgment, facility policy, provider orders, or official guidelines. Verify practice changes against the original source and local protocol.

Related briefs

More updates for this clinical area

Back to Discover

Renal failure (PubMed)

A single-center retrospective cohort found that approximately one quarter of laboratory-defined acute kidney injury cases on internal medicine wards were not documented, particularly when maximal creatinine was lower.

Med-SurgAI summaryReview source

Pediatric emergency care (PubMed)

A double-blind randomized trial found no reduction in vomiting or faster oral tolerance with intravenous pantoprazole versus placebo in children with acute gastroenteritis and persistent vomiting after ondansetron.

PedsEmergencyAI summaryReview source

European heart journal (PubMed)

In the pragmatic TARGET-D randomized trial, vitamin D dosing titrated to a serum target did not significantly reduce the composite of death, recurrent myocardial infarction, heart-failure hospitalization, or stroke after myocardial infarction.

TelemetryMed-SurgAI summaryReview source