Evidence map›Paper›PMID 38336370›Full record

ArticleStroke and vascular neurology2024

Intracerebral haemorrhage in patients taking different types of oral anticoagulants: a pooled individual patient data analysis from two national stroke registries.

Bernhard M Siepen, Elisabeth Forfang, Mattia Branca, Boudewijn Drop, Madlaine Mueller, Martina B Goeldlin, Mira Katan, Patrik Michel, Carlo Cereda, Friedrich Medlin and 26 more

Abstract readComparative StudyMulticenter Study
In one paragraph

Article in Stroke and vascular neurology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing 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

13 citing papers in PubMed.

  1. Article
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  10. Thromboelastography may assess the effect of anticoagulation reversal in intracranial hemorrhage.Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association · 2025
    Article
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  12. Review
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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

36 authors.

Bernhard M SiepenDepartment of Neurology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.ORCID 0000-0003-0240-4191
Elisabeth ForfangInstitute of Clinical Medicine, University of Oslo, Oslo, Norway.
Mattia BrancaCTU Bern, Department of Clinical Research, University of Bern, Bern, Switzerland.
Boudewijn DropDepartment of Neurology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.ORCID 0000-0002-3415-6834
Madlaine MuellerDepartment of Neurology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.ORCID 0000-0002-1142-9633
Martina B GoeldlinDepartment of Neurology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.ORCID 0000-0001-5800-116X
Mira KatanDepartment of Neurology, University Hospital Basel, University of Basel, Basel, Switzerland.
Patrik MichelService of Neurology, Department of Clinical Neurosciences, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland.
Carlo CeredaStroke Center EOC, Neurocenter of Southern Switzerland, Lugano, Switzerland.
Friedrich MedlinStroke Unit and Division of Neurology, HFR Fribourg-Cantonal Hospital, Fribourg, Switzerland.ORCID 0000-0002-8477-899X
Nils PetersStroke Center Hirslanden, Klinik Hirslanden Zurich, Zurich, Switzerland.
Susanne RenaudDivision of Neurology, Pourtalès Hospital, Neuchatel, Switzerland.
Julien NiederhauserStroke Unit, GHOL, Hospital Nyon, Nyon, Switzerland.
Emmanuel CarreraStroke Research Group, Department of Clinical Neurosciences, Geneva University Hospital, Faculty of Medicine, University of Geneva, Geneva, Switzerland.
Timo KahlesDepartment of Neurology, Cantonal Hospital Aarau, Aarau, Switzerland.
Georg KägiDepartment of Neurology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
Manuel BologneseNeurology Department, Lucerne Cantonal Hospital (LUKS), Luzern, Switzerland.
Stephan SalmenStroke Unit, Department of Neurology, Hospital Biel, Biel, Switzerland.
Marie-Luise MonoDepartment of Neurology, Stadtspitäler Triemli und Waid, Zurich, Switzerland.
Alexandros A PolymerisDepartment of Neurology, University Hospital Basel, University of Basel, Basel, Switzerland.ORCID 0000-0002-9475-2208
Susanne WegenerDepartment of Neurology and Stroke Center, University Hospital Zurich, University of Zurich, Zurich, Switzerland.ORCID 0000-0003-4369-7023
Werner Z'GraggenDepartment of Neurology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.ORCID 0000-0002-5684-4419
Johannes KaesmacherUniversity Institute of Diagnostic and Interventional Neuroradiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
Michael SchaererDepartment of Neurology, Bürgerspital Solothurn, Solothurn, Switzerland.
Biljana RodicStroke Unit, Department of Neurology, Cantonal Hospital Winterthur, Winterthur, Switzerland.
Espen Saxhaug KristoffersenDepartment of Neurology, Division of Medicine, Akershus University Hospital, Lørenskog, Norway.ORCID 0000-0002-8999-5424
Kristin T LarsenInstitute of Clinical Medicine, University of Oslo, Oslo, Norway.ORCID 0000-0002-1310-8243
Torgeir Bruun WyllerInstitute of Clinical Medicine, University of Oslo, Oslo, Norway.
Bastian VolbersDepartment of Neurology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
Thomas R MeinelDepartment of Neurology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.ORCID 0000-0002-0647-9273
Marcel ArnoldDepartment of Neurology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
Stefan T EngelterDepartment of Neurology, University Hospital Basel, University of Basel, Basel, Switzerland.
Leo H BonatiDepartment of Neurology, University Hospital Basel, University of Basel, Basel, Switzerland.
Urs FischerDepartment of Neurology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
Ole Morten RønningInstitute of Clinical Medicine, University of Oslo, Oslo, Norway.ORCID 0000-0001-5080-5788
David J SeiffgeDepartment of Neurology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland david.seiffge@insel.ch.ORCID 0000-0003-3890-3849

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundWe investigated outcomes in patients with intracerebral haemorrhage (ICH) according to prior anticoagulation treatment with Vitamin K antagonists (VKAs), direct oral anticoagulants (DOACs) or no anticoagulation.

methodsThis is an individual patient data study combining two prospective national stroke registries from Switzerland and Norway (2013-2019). We included all consecutive patients with ICH from both registries. The main outcomes were favourable functional outcome (modified Rankin Scale 0-2) and mortality at 3 months.

resultsAmong 11 349 patients with ICH (mean age 73.6 years; 47.6% women), 1491 (13.1%) were taking VKAs and 1205 (10.6%) DOACs (95.2% factor Xa inhibitors). The median percentage of patients on prior anticoagulation was 23.7 (IQR 22.6-25.1) with VKAs decreasing (from 18.3% to 7.6%) and DOACs increasing (from 3.0% to 18.0%) over time. Prior VKA therapy (n=209 (22.3%); adjusted ORs (aOR), 0.64; 95% CI, 0.49 to 0.84) and prior DOAC therapy (n=184 (25.7%); aOR, 0.64; 95% CI, 0.47 to 0.87) were independently associated with lower odds of favourable outcome compared with patients without anticoagulation (n=2037 (38.8%)). Prior VKA therapy (n=720 (49.4%); aOR, 1.71; 95% CI, 1.41 to 2.08) and prior DOAC therapy (n=460 (39.7%); aOR, 1.28; 95% CI, 1.02 to 1.60) were independently associated with higher odds of mortality compared with patients without anticoagulation (n=2512 (30.2%)).

conclusionsThe spectrum of anticoagulation-associated ICH changed over time. Compared with patients without prior anticoagulation, prior VKA treatment and prior DOAC treatment were independently associated with lower odds of favourable outcome and higher odds of mortality at 3 months. Specific reversal agents unavailable during the study period might improve outcomes of DOAC-associated ICH in the future.

Indexed as

AnticoagulantsCerebral HemorrhageFactor Xa InhibitorsRegistriesAdministration, OralAgedAged, 80 and overFemaleFunctional StatusHumansMaleMiddle AgedNorwayRecovery of FunctionRisk AssessmentRisk FactorsAnticoagulantsFactor Xa InhibitorsVitamin KAnticoagulantsHemorrhageStroke

Identifiers

PMID38336370
PMCPMC11791643

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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.