Evidence map›Paper›PMID 27263497›Full record

ArticleAmerican journal of hematology2016

Determinants of resting cerebral blood flow in sickle cell disease.

Adam M Bush, Matthew T Borzage, Soyoung Choi, Lena Václavů, Benita Tamrazi, Aart J Nederveen, Thomas D Coates, John C Wood

Open access · bronzeAbstract read
In one paragraph

Article in American journal of hematology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 69 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
69citing papers in PubMed, 2 pooled it
6.7field-weighted citation impact, top 3% 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

69 citing papers in PubMed, 2 syntheses or guidelines pooled it, 93 citations in OpenAlex.

  1. Profiling cerebrovascular function in migraine: A systematic review and meta-analysis.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2021
    Pooled it
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  8. Cerebral Blood Transit in Sickle Cell Anemia.Journal of magnetic resonance imaging : JMRI · 2026
    Article
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  11. Observational
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  15. Article
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  19. VICTR: Venous transit time imaging by changes in TMagnetic resonance in medicine · 2024
    Article
  20. Article

9 more citing papers are in PubMed but not listed here.

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

8 authors at 3 institutions in 2 countries.

Adam M BushDepartment of Biomedical Engineering, University of Southern California, California.
Matthew T BorzageDivision of Neonatology and Radiology, Children's Hospital Los Angeles, California.
Soyoung ChoiNeurosciences Program, University of Southern California, California.
Lena VáclavůDepartment of Radiology, Academic Medical Center, Amsterdam.ORCID 0000-0001-8617-7752
Benita TamraziDepartment of Radiology, Children's Hospital Los Angeles, California.
Aart J NederveenDepartment of Radiology, Academic Medical Center, Amsterdam.
Thomas D CoatesSection of Hematology, Children's Hospital Los Angeles, California.
John C WoodDepartment of Radiology, Children's Hospital Los Angeles, California.
Children's Hospital of Los Angeles · USAmsterdam UMC Location University of Amsterdam · NLUniversity of Southern California · US

Funding

Southern California Clinical and Translational Science InstituteUL1TR000130 · NCATS · UNIVERSITY OF SOUTHERN CALIFORNIA · PI BUCHANAN, THOMAS A · 2012 to 2015
$36.0M
Neuromodulatory Mechanisms and Regional Autonomic Dysregulation in the Development of Pain in Sickle Cell Disease PatientsU01HL117718 · NHLBI · CHILDREN'S HOSPITAL OF LOS ANGELES · PI COATES, THOMAS DUANE, KHOO, MICHAEL C K · 2013 to 2017
$9.6M
Los Angeles Basin Clinical and Translational Science InstituteTL1RR031992 · NCRR · UNIVERSITY OF SOUTHERN CALIFORNIA · PI BUCHANAN, THOMAS A · 2010 to 2011
$327k
NCATS NIH HHS UL1 TR000130NCRR NIH HHS TL1 RR031992NHLBI NIH HHS U01 HL117718
6 · The paper itself

Abstract

Stroke is common in children with sickle cell disease and results from an imbalance in oxygen supply and demand. Cerebral blood flow (CBF) is increased in patients with sickle cell disease to compensate for their anemia, but adequacy of their oxygen delivery has not been systematically demonstrated. This study examined the physiological determinants of CBF in 37 patients with sickle cell disease, 38 ethnicity matched control subjects and 16 patients with anemia of non-sickle origin. Cerebral blood flow was measured using phase contrast MRI of the carotid and vertebral arteries. CBF increased inversely to oxygen content (r(2)  = 0.69, P < 0.0001). Brain oxygen delivery, the product of CBF and oxygen content, was normal in all groups. Brain composition, specifically the relative amounts of grey and white matter, was the next strongest CBF predictor, presumably by influencing cerebral metabolic rate. Grey matter/white matter ratio and CBF declined monotonically until the age of 25 in all subjects, consistent with known maturational changes in brain composition. Further CBF reductions were observed with age in subjects older than 35 years of age, likely reflecting microvascular aging. On multivariate regression, CBF was independent of disease state, hemoglobin S, hemoglobin F, reticulocyte count and cell free hemoglobin, suggesting that it is regulated similarly in patients and control subjects. In conclusion, sickle cell disease patients had sufficient oxygen delivery at rest, but accomplish this only by marked increases in their resting CBF, potentially limiting their ability to further augment flow in response to stress. Am. J. Hematol. 91:912-917, 2016. © 2016 Wiley Periodicals, Inc.

Indexed as

Cerebrovascular CirculationAdolescentAdultAge FactorsAnemiaAnemia, Sickle CellBrainCase-Control StudiesFemaleHumansMagnetic Resonance ImagingMaleOxygenYoung AdultOxygen

Identifiers

PMID27263497
PMCPMC4987198
OpenAlexW2409143647

What OpenQuestion holds

Textmetadata
LicenceTDM
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.