Evidence map›Paper›PMID 41891705›Full record

ArticleNeurosurgery2026

ABO-Incompatible Platelet Transfusions and Mortality Risk in Patients With Intracranial Hemorrhage.

David Roh, Jonathan M Davis, Deborah B Bookwalter, Travis Lee, Patrick Mitchell, Elizabeth Stone, Matthew Karafin, Melissa Cushing, Grant Sinson, Claude Hemphill and 7 more

Abstract read
In one paragraph

Article in Neurosurgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing 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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

17 authors.

David RohDepartment of Neurology, Vagelos College of Physicians and Surgeons, Columbia University, New York, New York, USA.ORCID 0000-0003-1927-7686
Jonathan M DavisWestat, Rockville, Maryland, USA.
Deborah B BookwalterWestat, Rockville, Maryland, USA.
Travis LeeWestat, Rockville, Maryland, USA.
Patrick MitchellWestat, Rockville, Maryland, USA.
Elizabeth StoneDepartment of Pathology and Cell Biology, Vagelos College of Physicians and Surgeons, Columbia University, New York, New York, USA.
Matthew KarafinDepartment of Pathology and Lab Medicine, University of North Carolina, Chapel Hill, North Carolina, USA.
Melissa CushingDepartment of Pathology, Weill Cornell Medical Center, New York, New York, USA.
Grant SinsonDepartment of Neurological Surgery, Froedtert Hospital, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.
Claude HemphillDepartment of Neurology, University of California San Francisco, San Francisco, California, USA.
Emily J GilmoreDepartment of Neurology, Yale New Haven Hospital, New Haven, Connecticut, USA.
Bryan SpencerAmerican Red Cross, Dedham, Massachusetts, USA.
Jerome GottschallDepartment of Pathology, Versiti Blood Research Institute, Milwaukee, Wisconsin, USA.
Alan E MastDepartment of Pathology, Versiti Blood Research Institute, Milwaukee, Wisconsin, USA.
Ritchard CableAmerican Red Cross, Farmington, Connecticut, USA.
Steven KleinmanUniversity of British Columbia, Victoria, British Columbia, Canada.
Eldad A HodDepartment of Pathology and Cell Biology, Vagelos College of Physicians and Surgeons, Columbia University, New York, New York, USA.

Funding

(REDS-IV-P) RECIPIENT EPIDEMIOLOGY AND DONOR EVALUATION STUDY IV-DATA75N92019D00032 · NHLBI · WESTAT, INC. · PI CHAPMAN, KATHY · 2019 to 2025
$19.6M
(REDS-IV-P) RECIPIENT EPIDEMIOLOGY AND DONOR EVALUATION STUDY IV75N92019D00036 · NHLBI · YALE UNIVERSITY · PI HENDRICKSON, JEANNE E · 2019 to 2024
$6.7M
REDS-IV-P DOMESTIC HUBS PHASE 275N92019D00035 · NHLBI · VERSITI WISCONSIN, INC. · PI MAST, ALAN E · 2019 to 2024
$6.6M
REDS-IV-P DOMESTIC HUBS PHASE 275N92019D00037 · NHLBI · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI HOD, ELDAD ARIE · 2019 to 2024
$6.6M
(REDS-IV-P) RECIPIENT EPIDEMIOLOGY AND DONOR EVALUATION STUDY IV-DOMESTIC HUBS75N92019D00034 · NHLBI · VITALANT · PI CUSTER, BRIAN · 2020 to 2024
$5.3M
FunctIonal coaGulation and HemosTasis after IntraCerebral Hemorrhage (FIGHT-ICH)R01HL173606 · NHLBI · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI David Roh · 2025 to 2026
$1.6M
Erythrocyte contribution to coagulopathy and cerebral oxygenation after intracerebral hemorrhageK23HL151901 · NHLBI · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI ROH, DAVID · 2021 to 2025
$950k
NHLBI Division of Intramural Research K23HL151901NHLBI Division of Intramural Research R01HL173606NHLBI NIH HHS 75N92019D00032NHLBI NIH HHS 75N92019D00034NHLBI NIH HHS 75N92019D00035NHLBI NIH HHS 75N92019D00036NHLBI NIH HHS 75N92019D00037NHLBI NIH HHS K23 HL151901NHLBI NIH HHS R01 HL173606NINDS NIH HHS L30 NS103293
6 · The paper itself

Abstract

BACKGROUND AND

objectivesBest platelet transfusion practices are unclear across intracranial hemorrhage (ICH) types, given the mortality risk. Reasons for this risk are unknown, but ABO-incompatible platelet transfusions may confer risk in certain populations. We assessed contemporary ICH platelet transfusion practices and whether ABO-incompatible platelet transfusions increase ICH mortality risk.

methodsAdult patients with spontaneous intracerebral hemorrhage (sICH), traumatic ICH, and aneurysmal subarachnoid hemorrhage hospitalizations between 2019 and 2024 were assessed from a multicenter transfusion network. Relationships of platelet transfusions with 30-day mortality were assessed using logistic regression models adjusting for demographics, ICH type/severity, comorbidities, and other hemorrhage control therapies/transfusions. Among those receiving platelet transfusions, relationships of major ABO-incompatible platelet units with mortality risk were investigated using Cox models adjusting for similar covariates. Analyses were performed across the cohort and stratified by ICH subtype.

resultsAmong 13 068 patients with ICH, 60% were male individuals, mean age was 66 (±19) years, 23% were from sICH, 69% from traumatic ICH, and 8% from aneurysmal subarachnoid hemorrhage cohorts. Acute platelet transfusions were given to 12% of the patients. Thrombocytopenia (<100 000 platelets/μL) and neurosurgical procedures, seen in 6% and 18% of the patients, respectively, were largest factors for platelet transfusions. In regression analyses, platelet transfusions themselves did not associate with mortality (adjusted hazard ratio [HR]: 1.14 [0.96-1.35]). However, among patients with ICH receiving platelet transfusions, ABO-incompatible units were common (37%) and had dose-dependent relationships with mortality (adjusted HR ≥2 exposures: 1.78 [1.18-2.70]). Stratified analyses revealed that patients with sICH were particularly vulnerable to mortality from even single exposures of ABO-incompatible units (adjusted HR 1 exposure: 1.97 [1.13-3.45]; ≥2 exposures: 2.78 [0.98-7.87]) compared with other ICH subtypes.

conclusionAcute platelet transfusion practice remains prevalent in ICH, and platelet transfusion-related 30-day mortality risk may be influenced by ABO-incompatible platelet units. Clinical trials are needed to assess whether transfusion practice changes in providing ABO-matched platelets can improve outcomes in certain patients with ICH.

Indexed as

ABO incompatibilityAneurysmal subarachnoid hemorrhageIntracranial hemorrhageMortalityPlatelet transfusionSpontaneous intracerebral hemorrhageTraumatic intracranial hemorrhage

Identifiers

PMID41891705
PMCPMC13485070

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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.