Evidence map›Paper›PMID 21031524›Full record

ArticleJournal of magnetic resonance imaging : JMRI2010

Combined off-resonance imaging and T2 relaxation in the rotating frame for positive contrast MR imaging of infection in a murine burn model.

Ovidiu C Andronesi, Dionyssios Mintzopoulos, Valeria Righi, Nikolaos Psychogios, Meenu Kesarwani, Jianxin He, Shingo Yasuhara, George Dai, Laurence G Rahme, Aria A Tzika

Erratum issuedOpen access · bronzeAbstract read
In one paragraph

Article in Journal of magnetic resonance imaging : JMRI, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
1.5field-weighted citation impact, top 17% 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, 14 citations in OpenAlex.

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4 · The record

Corrections and comments

  • Erratum issued
    Righi, Valeria [added]
5 · Who and what money

Authors and funding

10 authors at 3 institutions in 2 countries.

Ovidiu C AndronesiDepartment of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02114, USA.
Dionyssios Mintzopoulos
Valeria Righi
Nikolaos Psychogios
Meenu Kesarwani
Jianxin He
Shingo Yasuhara
George Dai
Laurence G Rahme
Aria A Tzika
Massachusetts General Hospital · USBurn Institute · USHarvard University · US

Funding

Evaluation of brain recovery of stroke patients using a novel magnetic resonance compatible hand induced robotic device combined with magnetic resonance imagingR01NS105875 · NINDS · MASSACHUSETTS GENERAL HOSPITAL · PI TZIKA, A ARIA · 2018 to 2022
$3.4M
Function of MVFR in Pseudomonas aeruginosa virulenceR01AI063433 · NIAID · MASSACHUSETTS GENERAL HOSPITAL · PI RAHME, LAURENCE G · 2006 to 2010
$1.9M
Feasibility of Rehabilitation Robots and fMRI in StrokeR21EB004665 · NIBIB · MASSACHUSETTS GENERAL HOSPITAL · PI TZIKA, A ARIA · 2005 to 2006
$413k
NIAID NIH HHS R01 AI063433NIAID NIH HHS R01AI063433NIBIB NIH HHS R21 EB004665NINDS NIH HHS R01 NS105875
6 · The paper itself

Abstract

purposeTo develop novel magnetic resonance (MR) imaging methods to monitor accumulation of macrophages in inflammation and infection. Positive-contrast MR imaging provides an alternative to negative-contrast MRI, exploiting the chemical shift induced by ultra-small superparamagnetic iron-oxide (USPIO) nanoparticles to nearby water molecules. We introduce a novel combination of off-resonance (ORI) positive-contrast MRI and T(2ρ) relaxation in the rotating frame (ORI-T(2ρ)) for positive-contrast MR imaging of USPIO. MATERIALS AND

methodsWe tested ORI-T(2ρ) in phantoms and imaged in vivo the accumulation of USPIO-labeled macrophages at the infection site in a mouse model of burn trauma and infection with Pseudomonas aeruginosa (PA). PA infection is clinically important. The USPIO nanoparticles were injected directly in the animals in solution, and macrophage labeling occurred in vivo in the animal model.

resultsWe observed a significant difference between ORI-T(2ρ) and ORI, which leads us to suggest that ORI-T(2ρ) is more sensitive in detecting USPIO signal. To this end, the ORI-T(2ρ) positive contrast method may prove to be of higher utility in future research.

conclusionOur results may have direct implications in the longitudinal monitoring of infection, and open perspectives for testing novel anti-infective compounds.

Indexed as

Contrast MediaDextransMagnetite NanoparticlesAnimalsBurnsMacrophagesMagnetic Resonance ImagingMiceMice, Inbred StrainsPhantoms, ImagingPseudomonas InfectionsWound InfectionContrast MediaDextransferumoxtran-10Magnetite Nanoparticles

Identifiers

PMID21031524
PMCPMC2975424
OpenAlexW2136102538

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.