Evidence map›Paper›PMID 23793862›Full record

Observational studyNeuroradiology2013

Relationship between thrombus attenuation and different stroke subtypes.

J M Niesten, I C van der Schaaf, G J Biessels, A E van Otterloo, T van Seeters, A D Horsch, M J A Luitse, Y van der Graaf, L J Kappelle, W P T M Mali and 2 more

Abstract readMulticenter StudyObservational Study
PubMed Publisher
In one paragraph

Observational study in Neuroradiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 1 pooled it
2.8field-weighted citation impact, top 9% 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

19 citing papers in PubMed, 1 synthesis or guideline pooled it, 37 citations in OpenAlex.

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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

12 authors at 3 institutions in 2 countries.

J M NiestenDepartment of Radiology, University Medical Center Utrecht, Heidelberglaan 100, HP 01.132, 3584, CX, Utrecht, The Netherlands. jmniesten@gmail.com
I C van der Schaaf
G J Biessels
A E van Otterloo
T van Seeters
A D Horsch
M J A Luitse
Y van der Graaf
L J Kappelle
W P T M Mali
B K Velthuis
DUtch acute Stroke Trial (DUST)
Heidelberg University · DEUniversity Medical Center Utrecht · NLUtrecht University · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionMore insights in the etiopathogenesis of thrombi could be helpful in the treatment of patients with acute ischemic stroke. The aim of our study was to determine the relationship between presence of a hyperdense vessel sign and thrombus density with different stroke subtypes.

methodsWe included 123 patients with acute ischemic anterior circulation stroke and a visible occlusion on CT-angiography caused by cardioembolism (n = 53), large artery atherosclerosis (n = 55), or dissection (n = 15). Presence or absence of a hyperdense vessel sign was assessed and thrombus density was measured in Hounsfield Units (HU) on non-contrast 1 mm thin slices CT. Subsequently, occurrence of hyperdense vessel sign and thrombus density (absolute HU and rHU (=HU thrombus/HU contralateral)) were related with stroke subtypes.

resultsThe presence of hyperdense vessel signs differed significantly among subtypes and was found in 45, 64 and 93 % of patients with cardioembolism, large artery atherosclerosis and dissection, respectively (p = 0.003). The mean HU and rHU (+95 % CI) of the thrombi in all vessels were respectively 56.1 (53.2-59.0) and 1.39 (1.33-1.45) in cardioembolism, 64.6 (62.2-66.9) and 1.59 (1.54-1.64) in large artery atherosclerosis and 76.4 (73.0-79.8) and 1.88 (1.79-1.97) in dissection (p < 0.0001). We found the same significant ranking order in the density of thrombi with hyperdense vessel signs (mean HU and rHU (+95 % CI), respectively): cardioembolism 61.3 (57.4-65.3) and 1.49 (57.4-65.3); large artery atherosclerosis 67.3 (64.9-69.7) and 1.65 (1.58-1.71); dissection 76.4 (72.6-80.1) and 1.89 (1.79-1.99, p < 0.0001).

conclusionPresence of a hyperdense vessel sign and thrombus density are related to stroke subtype.

Indexed as

AgedAtherosclerosisCausalityCerebral AngiographyCohort StudiesComorbidityDiagnosis, DifferentialFemaleHumansIncidenceIntracranial ThrombosisMaleMiddle AgedNetherlandsReproducibility of ResultsRisk Factors

Identifiers

PMID23793862
OpenAlexW2004971895

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.