Evidence map›Paper›PMID 30935810›Full record

ArticleJournal of stroke and cerebrovascular diseases : the official journal of National Stroke Association2019

Reduced Ischemic Lesion Growth with Heparin in Acute Ischemic Stroke.

Eva A Rocha, Ruijun Ji, Hakan Ay, Zixiao Li, Ethem Murat Arsava, Gisele S Silva, Alma Gregory Sorensen, Ona Wu, Aneesh B Singhal

Open access · greenAbstract read
In one paragraph

Article in Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed, 1 pooled it
0.5field-weighted citation impact, top 34% 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

5 citing papers in PubMed, 1 synthesis or guideline pooled it, 6 citations in OpenAlex.

  1. Pooled it
  2. Emergent endovascular treatment versus medical treatment for acute large vessel occlusions with nondisabling symptoms.Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences · 2024
    Observational
  3. Article
  4. Review
  5. 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

9 authors at 5 institutions in 4 countries.

Eva A RochaDepartment of Neurology, Massachusetts General Hospital, Boston, Massachusetts; Department of Neurology, Universidade Federal de Sao Paulo, Sao Paulo, SP, Brazil.
Ruijun JiDepartment of Neurology, Massachusetts General Hospital, Boston, Massachusetts; Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
Hakan AyDepartment of Neurology, Massachusetts General Hospital, Boston, Massachusetts; Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, Massachusetts.
Zixiao LiDepartment of Neurology, Massachusetts General Hospital, Boston, Massachusetts; Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
Ethem Murat ArsavaDepartment of Neurology, Hacettepe University, Ankara, Turkey.
Gisele S SilvaDepartment of Neurology, Universidade Federal de Sao Paulo, Sao Paulo, SP, Brazil; Hospital Israelita Albert Einstein, Sao Paulo, SP, Brazil.
Alma Gregory SorensenIMRIS, Minnetonka, Minnesota.
Ona WuDepartment of Neurology, Massachusetts General Hospital, Boston, Massachusetts.
Aneesh B SinghalDepartment of Neurology, Massachusetts General Hospital, Boston, Massachusetts. Electronic address: asinghal@partners.org.
Massachusetts General Hospital · USCapital Medical University · CNHacettepe University · TRHospital Israelita Albert Einstein · BRIMRIS (United States) · US

Funding

AtRial Cardiopathy and Antithrombotic Drugs In prevention After cryptogenicstroke (ARCADIA)U01NS095869 · NINDS · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI BRODERICK, JOSEPH PAUL, KAMEL, HOOMAN · 2017 to 2022
$22.0M
Specialized Programs of Translational Research in Acute Stroke at the PartnersP50NS051343 · NINDS · MASSACHUSETTS GENERAL HOSPITAL · PI GREENBERG, STEVEN M · 2006 to 2013
$17.5M
MRI DIFFUSION/PERFUSION MISMATCH IN HUMAN ACUTE STROKER01NS038477 · NINDS · MASSACHUSETTS GENERAL HOSPITAL · PI SORENSEN, A. GREGORY · 1999 to 2008
$6.1M
New England Regional Coordinating Center for the NINDS Stroke Trials Network (StrokeNet)U24NS107243 · NINDS · MASSACHUSETTS GENERAL HOSPITAL · PI ANEESH B SINGHAL · 2018 to 2026
$3.3M
New England Regional Coordinating Center for the NINDS Stroke Trials NetworkU10NS086729 · NINDS · MASSACHUSETTS GENERAL HOSPITAL · PI SCHWAMM, LEE H · 2013 to 2017
$2.3M
Normobaric Hyperoxia in Acute Ischemic StrokeR01NS051412 · NINDS · MASSACHUSETTS GENERAL HOSPITAL · PI SINGHAL, ANEESH B · 2006 to 2010
$2.1M
Quantitative MRI-based metrics for multi-center stroke treatment assessmentR01NS059775 · NINDS · MASSACHUSETTS GENERAL HOSPITAL · PI WU, ONA · 2008 to 2012
$2.0M
Sharing canonical human stroke dataR01NS063925 · NINDS · MASSACHUSETTS GENERAL HOSPITAL · PI WU, ONA · 2009 to 2010
$1.4M
Development of kurtosis MRI to image acute stroke patientsR21NS085574 · NINDS · MASSACHUSETTS GENERAL HOSPITAL · PI SUN, PHILLIP ZHE · 2013 to 2014
$475k
Indo-US Collaborative Stroke Registry and Infrastructure DevelopmentR21NS077442 · NINDS · MASSACHUSETTS GENERAL HOSPITAL · PI SINGHAL, ANEESH B · 2011 to 2013
$475k
NINDS NIH HHS P50 NS051343NINDS NIH HHS R01 NS038477NINDS NIH HHS R01 NS051412NINDS NIH HHS R01 NS059775NINDS NIH HHS R01 NS063925NINDS NIH HHS R21 NS077442NINDS NIH HHS R21 NS085574NINDS NIH HHS U01 NS095869NINDS NIH HHS U10 NS086729NINDS NIH HHS U24 NS107243
6 · The paper itself

Abstract

objectiveThe role of heparin in acute ischemic stroke is controversial. We investigated the effect of heparin on ischemic lesion growth.

methodsData were analyzed on nonthrombolyzed ischemic stroke patients in whom diffusion-weighted imaging (DWI)/perfusion-weighted imaging (PWI) MRI was performed less than 12 hours of last known well and showed a PWI-DWI lesion mismatch, and who underwent follow-up neuroimaging at least 4 days after admission. Lesion growth was assessed by (1) absolute lesion growth and (2) percentage mismatch lost (PML). Univariate and multivariate regression analysis, and propensity score matching, were used to determine the effects of heparin on ischemic lesion growth.

resultsOf the 113 patients meeting study criteria, 59 received heparin within 24 hours. Heparin use was associated with ∼5-fold reductions in PML (3.5% versus 19.2%, P = .002) and absolute lesion growth (4.7 versus 20.5 mL, P = .009). In multivariate regression models, heparin independently predicted reduced PML (P = .04) and absolute lesion growth (P = .04) in the entire cohort, and in multiple subgroups (patients with and without proximal artery occlusion; DWI volume greater than 5 mL; cardio-embolic mechanism; DEFUSE-3 target mismatch). In propensity score matching analysis where patients were matched by admission NIHSS, DWI volume and proximal artery occlusion, heparin remained an independent predictor of PML (P = .048) and tended to predict absolute lesion growth (P = .06). Heparin treatment did not predict functional outcome at discharge or 90 days.

conclusionEarly heparin treatment in acute ischemic stroke patients with PWI-DWI mismatch attenuates ischemic lesion growth. Clinical trials with careful patient selection are warranted to investigate the potential ischemic protective effects of heparin.

Indexed as

AgedAged, 80 and overAnticoagulantsBrain IschemiaDiffusion Magnetic Resonance ImagingDrug Administration ScheduleFemaleHeparinHumansMaleMiddle AgedNeuroprotective AgentsProspective StudiesRetrospective StudiesStrokeTime FactorsAnticoagulantsHeparinNeuroprotective Agentsacute strokeanticoagulationdiffusion-weighted MRIHeparinischemic lesion growthneuroprotectionperfusion-weighted MRI

Identifiers

PMID30935810
PMCPMC6544494
OpenAlexW2928343742

What OpenQuestion holds

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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.