Evidence map›Paper›PMID 34759629›Full record

ArticleJournal of emergencies, trauma, and shock

Acute and Delayed Intracranial Hemorrhage in Head-Injured Patients on Warfarin versus Direct Oral Anticoagulant Therapy.

Patrick G Hughes, Scott M Alter, Spencer W Greaves, Benjamin A Mazer, Joshua J Solano, Richard D Shih, Lisa M Clayton, Nhat Q Trinh, Lawrence Lottenberg, Mary J Hughes

Open access · goldAbstract read
In one paragraph

Article in Journal of emergencies, trauma, and shock. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
0.7field-weighted citation impact, top 28% of its field
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

6 citing papers in PubMed, 8 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Higher risk of traumatic intracranial hemorrhage with antiplatelet therapy compared to oral anticoagulation-a single-center experience.European journal of trauma and emergency surgery : official publication of the European Trauma Society · 2024
    Article
  5. Article
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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

10 authors at 2 institutions in 1 country.

Patrick G HughesDivision of Emergency Medicine, Florida Atlantic University, Charles E. Schmidt College of Medicine, Boca Raton, FL, USA.
Scott M AlterDivision of Emergency Medicine, Florida Atlantic University, Charles E. Schmidt College of Medicine, Boca Raton, FL, USA.
Spencer W GreavesDivision of Emergency Medicine, Florida Atlantic University, Charles E. Schmidt College of Medicine, Boca Raton, FL, USA.
Benjamin A MazerDivision of Emergency Medicine, Florida Atlantic University, Charles E. Schmidt College of Medicine, Boca Raton, FL, USA.
Joshua J SolanoDivision of Emergency Medicine, Florida Atlantic University, Charles E. Schmidt College of Medicine, Boca Raton, FL, USA.
Richard D ShihDivision of Emergency Medicine, Florida Atlantic University, Charles E. Schmidt College of Medicine, Boca Raton, FL, USA.
Lisa M ClaytonDivision of Emergency Medicine, Florida Atlantic University, Charles E. Schmidt College of Medicine, Boca Raton, FL, USA.
Nhat Q TrinhDepartment of Emergency Medicine, Sparrow Hospital, Lansing, MI, USA.
Lawrence LottenbergDepartment of Surgery, Florida Atlantic University, Charles E. Schmidt College of Medicine, Boca Raton, MI, USA.
Mary J HughesDepartment of Osteopathic Medical Specialties, Michigan State University College of Osteopathic Medicine, East Lansing, MI, USA.
Florida Atlantic University · USMichigan State University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionDirect oral anticoagulant (DOAC) use for thrombosis treatment and prophylaxis is a popular alternative to warfarin. This study compares rates of traumatic intracranial hemorrhage (ICH) for patients on anticoagulant therapies and the effect of combined anticoagulant and antiplatelet therapies.

methodsA retrospective observational study of trauma patients was conducted at two level I trauma centers. Patients aged ≥18 years with preinjury use of an anticoagulant (warfarin, rivaroxaban, apixaban, or dabigatran) who sustained a blunt head injury within the past day were included. Patients were evaluated by head CT to evaluate for ICH.

resultsThree hundred and eighty-eight patients were included (140 on warfarin, 149 on a DOAC, and 99 on combined anticoagulant and antiplatelet therapies). Seventy-nine patients (20.4%) had an acute ICH, while 16 patients (4.1%) had a delayed ICH found on routine repeat CT. Those on combination therapy were not at increased risk of acute ICH (relative risk [RR] 0.90, confidence interval [CI]: 0.56-1.44;

conclusionPatients on warfarin had a higher rate of acute ICH, but not delayed ICH, compared to those on DOACs. Given the low rate of delayed ICH with no resultant morbidity or mortality, routine observation and repeat head CT on patients with no acute ICH may not be necessary.

Indexed as

Anticoagulantsdirect oral anticoagulanthead injuryintracranial hemorrhagewarfarin

Identifiers

PMID34759629
PMCPMC8527063
OpenAlexW3201787090

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
Read underepoch 390

Registered trials

None linked

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.