Evidence map›Paper›PMID 19306414›Full record

ArticleJournal of magnetic resonance imaging : JMRI2009

Respiratory self-gating for free-breathing abdominal phase-contrast blood flow measurements.

Ning Jin, Robert J Lewandowski, Reed A Omary, Andrew C Larson

Abstract read
In one paragraph

Article in Journal of magnetic resonance imaging : JMRI, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed, 1 pooled it
–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

11 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  4. Surveillance of abdominal aortic aneurysm using accelerated 3D non-contrast black-blood cardiovascular magnetic resonance with compressed sensing (CS-DANTE-SPACE).Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance · 2019
    Article
  5. Sorted Golden-step phase encoding: an improved Golden-step imaging technique for cardiac and respiratory self-gated cine cardiovascular magnetic resonance imaging.Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance · 2019
    Article
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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

4 authors.

Ning JinDepartment of Biomedical Engineering, Northwestern University, Chicago, Illinois, USA.
Robert J Lewandowski
Reed A Omary
Andrew C Larson

Funding

Self-Gated Cardiac MRIR01HL079148 · NHLBI · NORTHWESTERN UNIVERSITY AT CHICAGO · PI LARSON, ANDREW CHRISTIAN · 2005 to 2008
$1.3M
Functional MRI Monitoring of Hepatic ChemoembolizationR01CA126809 · NCI · NORTHWESTERN UNIVERSITY AT CHICAGO · PI LARSON, ANDREW CHRISTIAN · 2008 to 2011
$1.2M
NCI NIH HHS R01 CA126809NHLBI NIH HHS HL076148NHLBI NIH HHS R01 HL079148
6 · The paper itself

Abstract

purposeTo demonstrate the feasibility of using a free-breathing (FB) respiratory self-gated (RSG) approach for abdominal phase-contrast (PC) blood flow measurements. MATERIALS AND

methodsPC-magnetic resonance imaging (MRI) flow measurements were performed within the right renal artery, common hepatic artery, and main portal vein during breath-hold (BH) and FB with both signal averaging and RSG in eight healthy volunteers. The resultant images were qualitatively scored by two independent reviewers blinded to acquisition techniques. Blood flow volume and cross-sectional vessel size measurements were compared for three techniques.

resultsThe overall efficiency for the RSG-PC sequence was 38.9% +/- 4.7%. Images acquired with RSG effectively mitigated respiratory motion artifacts, which were clearly evident within FB signal-averaged images. RSG produced similar image quality to that of BH techniques (P > 0.146) and resulted in similar vessel size measurements (P = 0.694). Flow results for both FB RSG and signal-averaged reconstructions correlated well with BH flow measurements (r = 0.97 and 0.92, P < 0.001). However, only the RSG methods demonstrated excellent absolute agreement with BH-PC flow measurements (P = 0.600), with signal-averaged methods resulting in significant overestimations.

conclusionRSG methods can limit respiratory motion artifacts to reduce flow measurement inaccuracies during free-breathing PC measurements in the abdomen.

Indexed as

AbdomenAlgorithmsBlood Flow VelocityHumansImage EnhancementImage Processing, Computer-AssistedLinear ModelsMagnetic Resonance ImagingRespiratory-Gated Imaging Techniques

Identifiers

PMID19306414
PMCPMC2727873

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Registered trials

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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.