Evidence map›Paper›PMID 37641554›Full record

Trial reportEuropean stroke journal2023

Admission blood pressure and clinical outcomes in patients with acute ischaemic stroke treated with intravenous alteplase and endovascular treatment versus endovascular treatment alone: A MR CLEAN-NO IV substudy.

Sophie A van den Berg, Simone M Uniken Venema, Natalie E LeCouffe, Alida A Postma, Geert J Lycklama À Nijeholt, Leon A Rinkel, Kilian M Treurniet, Manon Kappelhof, Agnetha E Bruggeman, Katinka R van Kranendonk and 6 more

Open access · hybridAbstract readRandomized Controlled Trial
In one paragraph

Trial report in European stroke journal, 2023. 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
1.3field-weighted citation impact, top 19% 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, 6 citations in OpenAlex.

  1. Observational
  2. Article
  3. Article
  4. Article
  5. Review
  6. 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

16 authors at 5 institutions in 1 country.

Sophie A van den BergDepartment of Neurology, Amsterdam UMC Location University of Amsterdam, Amsterdam, The Netherlands.ORCID 0000-0001-6437-6486
Simone M Uniken VenemaDepartment of Neurology and Neurosurgery, Brain Center, University Medical Center Utrecht, Utrecht, The Netherlands.ORCID 0000-0002-5374-3858
Natalie E LeCouffeDepartment of Neurology, Amsterdam UMC Location University of Amsterdam, Amsterdam, The Netherlands.ORCID 0000-0002-6668-8755
Alida A PostmaDepartment of Radiology and Nuclear Medicine, Maastricht University Medical Center, Maastricht, The Netherlands.
Geert J Lycklama À NijeholtDepartment of Radiology, Haaglanden Medical Center, Den Haag, The Netherlands.
Leon A RinkelDepartment of Neurology, Amsterdam UMC Location University of Amsterdam, Amsterdam, The Netherlands.ORCID 0000-0002-0291-8515
Kilian M TreurnietDepartment of Radiology, Haaglanden Medical Center, Den Haag, The Netherlands.
Manon KappelhofDepartment of Radiology and Nuclear Medicine, Amsterdam UMC Location University of Amsterdam, Amsterdam, The Netherlands.
Agnetha E BruggemanDepartment of Radiology and Nuclear Medicine, Amsterdam UMC Location University of Amsterdam, Amsterdam, The Netherlands.
Katinka R van KranendonkDepartment of Radiology and Nuclear Medicine, Amsterdam UMC Location University of Amsterdam, Amsterdam, The Netherlands.
Charles Blm MajoieDepartment of Radiology and Nuclear Medicine, Amsterdam UMC Location University of Amsterdam, Amsterdam, The Netherlands.
Diederik Wj DippelDepartment of Neurology, Erasmus MC - University Medical Center, Rotterdam, The Netherlands.
H Bart van der WorpDepartment of Neurology and Neurosurgery, Brain Center, University Medical Center Utrecht, Utrecht, The Netherlands.ORCID 0000-0001-9891-2136
Jonathan M CoutinhoDepartment of Neurology, Amsterdam UMC Location University of Amsterdam, Amsterdam, The Netherlands.
Paul J NederkoornDepartment of Neurology, Amsterdam UMC Location University of Amsterdam, Amsterdam, The Netherlands.
Yvo Bwem RoosDepartment of Neurology, Amsterdam UMC Location University of Amsterdam, Amsterdam, The Netherlands.ORCID 0000-0001-9205-5882
Amsterdam Neuroscience · NLMedisch Centrum Haaglanden · NLUniversity Medical Center Utrecht · NLErasmus MC · NLMaastricht University Medical Centre · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionHigh systolic blood pressure (SBP) is associated with poor functional outcome. We analysed whether the association of SBP with outcomes after endovascular treatment (EVT) is modified by prior intravenous thrombolysis (IVT). PATIENTS AND

methodsThis was a post-hoc analysis of MR CLEAN-NO IV, a randomised trial of IVT with alteplase followed by EVT versus EVT alone, within 4.5 h from stroke onset. SBP was recorded on hospital admission. The primary outcome was 90-day modified Rankin Scale (mRS) score and secondary outcomes included symptomatic intracranial haemorrhage (sICH) and successful reperfusion (eTICI 2b-3), analysed with (ordinal) logistic regression. Estimates were calculated per 10 mmHg change in SBP. We assessed whether IVT modified the associations of SBP with these outcomes using multiplicative interaction terms.

resultsOf 539 randomised patients, 266 received IVT. The association of SBP with mRS score was J-shaped, with an inflection point at 150 mmHg. Using 150 mmHg as a reference point, SBPs higher than 150 mmHg were associated with poor functional outcome (acOR: 1.23, 95% CI: 1.09-1.38), but lower SBPs were not (acOR: 1.14, 95% CI: 0.99-1.30). Higher SBP was not associated with the risk of sICH (aOR: 1.09, 95% CI: 0.93-1.27) nor with the probability of successful reperfusion (aOR: 1.00, 95% CI: 0.91-1.10). Our main result was that we found no effect modification by IVT ( DISCUSSION AND

conclusionThere was no effect modification of IVT with SBP for any of the clinical outcomes. Therefore, the level of SBP (if ⩽185/110 mmHg) should not guide IVT decisions in patients otherwise eligible for both IVT and EVT within the 4.5-h time window.

trial registrationISRCTN80619088, https://www.isrctn.com/ISRCTN80619088.

Indexed as

Brain IschemiaIschemic StrokeStrokeBlood PressureHumansIntracranial HemorrhagesTissue Plasminogen ActivatorTissue Plasminogen Activatoracute ischaemic strokealteplaseBlood pressureendovascular treatmenthypertensionintravenous thrombolysisrandomised controlled trialthrombectomy

Identifiers

PMID37641554
PMCPMC10472956
OpenAlexW4376137217

What OpenQuestion holds

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LicenceCC BY-NC
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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.