Evidence map›Paper›PMID 18157529›Full record

ArticleEuropean journal of nuclear medicine and molecular imaging2008

Temporal relation between temperature change and FDG uptake in brown adipose tissue.

Sunhee Kim, Borys R Krynyckyi, Josef Machac, Chun K Kim

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Article in European journal of nuclear medicine and molecular imaging, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing 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

21 citing papers in PubMed.

  1. Trial
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  9. Molecular imaging of brown adipose tissue in health and disease.European journal of nuclear medicine and molecular imaging · 2014
    Review
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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Sunhee KimDivision of Nuclear Medicine, Department of Radiology, Mount Sinai School of Medicine, New York, NY, USA. ckim@umm.edu
Borys R Krynyckyi
Josef Machac
Chun K Kim

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesIt has been reported that the prevalence of (18)F fluorodeoxyglucose (FDG) uptake in brown adipose tissue (BAT) is related to outdoor temperature, i.e., more frequent during the colder periods of the year. The purpose of this study was to assess the temporal relationship between BAT FDG uptake and temperature. We correlated the prevalence of BAT with average temperatures (divided into five temperature ranges) of seven different durations.

methodsOne thousand four hundred ninety-five consecutive FDG Positron emission tomography (PET) studies in 1,159 patients (566 male and 593 female, mean age = 60.4 years) were retrospectively reviewed. FDG uptake with distinct patterns compatible with BAT was identified by a consensus of two readers. The local daily average temperature from January 2000 to November 2003 (beginning 60 days before the date of first PET scan) were obtained, and 2-, 3-, 7-, 14-, 30-, and 60-day average temperatures before the date of a PET study were calculated. The prevalence of BAT FDG uptake was correlated with these various average temperatures.

resultsThe daily, 2-day, 3-day, and 7-day average temperature had an inverse relation with the prevalence of BAT, i.e., the lower the temperature, the higher prevalence of BAT. When the temperature was averaged over 14 days or longer, this inverse relationship between the temperature and the prevalence of BAT was no longer preserved.

conclusionsOur data suggest that increased FDG uptake in BAT occurs more often as an acute response to cold weather (1-7 days) rather than to prolonged periods of average cold weather.

Indexed as

Adipose Tissue, BrownAdolescentAdultAged, 80 and overChildChild, PreschoolFemaleFluorodeoxyglucose F18HumansInfantMaleMiddle AgedRadionuclide ImagingRadiopharmaceuticalsTemperatureTime FactorsFluorodeoxyglucose F18Radiopharmaceuticals

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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.