Evidence map›Paper›PMID 24174588›Full record

Trial reportNeurology2013

Total cerebral blood flow and mortality in old age: a 12-year follow-up study.

Behnam Sabayan, Jeroen van der Grond, Rudi G Westendorp, J Wouter Jukema, Ian Ford, Brendan M Buckley, Naveed Sattar, Matthias J P van Osch, Mark A van Buchem, Anton J M de Craen

Abstract readRandomized Controlled Trial
In one paragraph

Trial report in Neurology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing 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

16 citing papers in PubMed.

  1. Higher physiological vulnerability to hypoxic exposure with advancing age in the human brain.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2020
    Trial
  2. Observational
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  7. Early-Frame [Journal of nuclear medicine : official publication, Society of Nuclear Medicine · 2024
    Article
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  9. Reduced parenchymal cerebral blood flow is associated with greater progression of brain atrophy: The SMART-MR study.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2021
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  15. Kidney Function and Cerebral Blood Flow: The Rotterdam Study.Journal of the American Society of Nephrology : JASN · 2016
    Article
  16. Blood flow distribution in cerebral arteries.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2015
    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

10 authors.

Behnam SabayanFrom the Departments of Radiology (B.S., J.v.d.G., M.J.P.v.O., M.A.v.B.), Gerontology and Geriatrics (B.S., R.G.W., A.J.M.d.C.), and Cardiology (J.W.J.), Leiden University Medical Center; Netherlands Consortium for Healthy Ageing (R.G.W., A.J.M.d.C.), Leiden, the Netherlands; Robertson Center for Biostatistics (I.F.), and Glasgow Cardiovascular Research Centre (N.S.), University of Glasgow, UK; and Department of Pharmacology and Therapeutics (B.M.B.), University College Cork, Ireland.
Jeroen van der Grond
Rudi G Westendorp
J Wouter Jukema
Ian Ford
Brendan M Buckley
Naveed Sattar
Matthias J P van Osch
Mark A van Buchem
Anton J M de Craen

Funding

Chief Scientist Office CZH/4/637
6 · The paper itself

Abstract

objectiveTo examine the association of total cerebral blood flow (CBF) with all-cause, noncardiovascular, and cardiovascular mortality in older subjects at risk of cardiovascular disease.

methodsWe included 411 subjects with a mean age of 74.5 years from the MRI substudy of the Prospective Study of Pravastatin in the Elderly at Risk. Total CBF was measured at baseline, and occurrence of death was recorded in an average follow-up period of 11.8 years. For each participant, total CBF was standardized for brain parenchymal volume. Cox regression models were used to estimate risk of all-cause, noncardiovascular, and cardiovascular mortality in relation to CBF.

resultsMortality rates among participants in low, middle, and high thirds of total CBF were 52.1, 41.5, and 28.7 per 1,000 person-years, respectively. Compared with participants in the high third of CBF, participants in the low third had 1.88-fold (95% confidence interval [CI]: 1.30-2.72) higher risk of all-cause mortality, 1.66-fold (95% CI: 1.06-2.59) higher risk of noncardiovascular mortality, and 2.50-fold (95% CI: 1.28-4.91) higher risk of cardiovascular mortality. Likewise, compared with participants in the high third of CBF, participants in the middle third had 1.44-fold (95% CI: 0.98-2.11) higher risk of all-cause mortality, 1.29-fold (95% CI: 0.82-2.04) higher risk of noncardiovascular mortality, and 1.86-fold (95% CI: 0.93-3.74) higher risk of cardiovascular mortality. These associations were independent of prevalent vascular status and risk factors.

conclusionsLow total CBF is linked with higher risk of all-cause, noncardiovascular, and cardiovascular mortality in older people independent of clinical cardiovascular status.

Indexed as

AgedAged, 80 and overAnticholesteremic AgentsBrainCardiovascular DiseasesCerebrovascular CirculationChi-Square DistributionFemaleHumansImage Processing, Computer-AssistedLongitudinal StudiesMagnetic Resonance ImagingMalePravastatinRisk FactorsAnticholesteremic AgentsPravastatin

Identifiers

PMID24174588
PMCPMC3843381

What OpenQuestion holds

Texttitle and abstract
Read underepoch 390

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.