Evidence map›Paper›PMID 40309164›Full record

ArticleNeurotrauma reports2025

Liberal Versus Restrictive Transfusion Trigger after Acute Brain Injury: More than Just Higher Blood Oxygen Content.

Adrienne K Ho

Abstract read
In one paragraph

Article in Neurotrauma reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

1 author.

Adrienne K HoDepartment of Public Health Sciences, Queen's University, Kingston, Ontario, Canada.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Previous studies on restrictive versus liberal blood hemoglobin transfusion triggers in critically ill or cardiac surgery patients had established a paradigm favoring restrictive triggers. In contrast, the hemoglobin transfusion threshold in traumatic brain injury optimization and transfusion strategy in patients with acute brain injury trials (2024) suggest that a liberal hemoglobin (90-100 g/L) transfusion trigger is associated with better neuro-outcomes than a restrictive (70 g/L) trigger in anemic patients with acute brain injury. Increased blood oxygen content is one obvious possible reason for the observed superior neuro-outcomes with more liberal red blood cell transfusion. In this author's opinion, another plausible reason is that in replacing extracranial blood loss, which most of the patients in both trials had, avoidance of blood alternatives that could worsen intracranial hypertension might also have benefitted the liberal transfusion cohorts.

Indexed as

brain injurytransfusion

Identifiers

PMID40309164
PMCPMC12040524

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.