Evidence map›Paper›PMID 24301134›Full record

ArticleInternational journal of obesity (2005)2014

Association of leptin and insulin with childhood obesity and retinal vessel diameters.

M Siegrist, H Hanssen, M Neidig, M Fuchs, F Lechner, M Stetten, K Blume, C Lammel, B Haller, M Vogeser and 2 more

Abstract readComparative Study
PubMed Publisher
In one paragraph

Article in International journal of obesity (2005), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed, 2 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

15 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Retinal Microvascular Calibres and Body Fat Indices in Young Adults.International journal of environmental research and public health · 2026
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  11. Assessing Microvascular Function in Humans from a Chronic Disease Perspective.Journal of the American Society of Nephrology : JASN · 2017
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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

12 authors.

M SiegristDepartment of Prevention, Rehabilitation and Sports Medicine, Technische Universität München, Klinikum rechts der Isar, Munich, Germany.
H Hanssen1] Department of Prevention, Rehabilitation and Sports Medicine, Technische Universität München, Klinikum rechts der Isar, Munich, Germany [2] Division of Sports Medicine, Institute of Exercise and Health Sciences, University of Basel, Basel, Switzerland.
M NeidigDepartment of Prevention, Rehabilitation and Sports Medicine, Technische Universität München, Klinikum rechts der Isar, Munich, Germany.
M FuchsDepartment of Prevention, Rehabilitation and Sports Medicine, Technische Universität München, Klinikum rechts der Isar, Munich, Germany.
F LechnerDepartment of Prevention, Rehabilitation and Sports Medicine, Technische Universität München, Klinikum rechts der Isar, Munich, Germany.
M StettenDepartment of Prevention, Rehabilitation and Sports Medicine, Technische Universität München, Klinikum rechts der Isar, Munich, Germany.
K BlumeDepartment of Prevention, Rehabilitation and Sports Medicine, Technische Universität München, Klinikum rechts der Isar, Munich, Germany.
C LammelDepartment of Prevention, Rehabilitation and Sports Medicine, Technische Universität München, Klinikum rechts der Isar, Munich, Germany.
B HallerInstitute of Medical Statistics and Epidemiology, Technische Universität München, Klinikum rechts der Isar, Munich, Germany.
M VogeserDepartment of Clinical Chemistry, University of Munich, Grosshadern Campus, Munich, Germany.
K G ParhoferDepartment of Internal Medicine II, University of Munich, Grosshadern Campus, Munich, Germany.
M Halle1] Department of Prevention, Rehabilitation and Sports Medicine, Technische Universität München, Klinikum rechts der Isar, Munich, Germany [2] DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany [3] Else Kröner-Fresenius-Zentrum am Klinikum rechts der Isar, Technische Universität München, Munich, Germany.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveChildhood obesity is associated with an impaired retinal microcirculation. The aim of the study was to investigate the association between specific obesity-related biomarkers, physical fitness and retinal vessel diameters in school children. DESIGN AND SUBJECTS: We studied 381 children aged 10-11 years (body mass index (BMI): 19.3±3.7 kg m(-2)) in a school-based setting. MEASUREMENTS: Anthropometric measurements and blood sampling were conducted using standard protocols for children. The serum biomarkers leptin, adiponectin, insulin as well as interleukin-6 (IL-6) were analyzed. Physical fitness was determined by a six-item-test battery and physical activity by use of a questionnaire. Central retinal arteriolar equivalent (CRAE), central retinal venular equivalent (CRVE) and the arteriolar-to-venular diameter ratio (AVR) were assessed with a non-mydriatic vessel analyzer (SVA-T) using a computer-based program.

resultsCompared with normal weight children (n=254), obese children (n=39) showed higher leptin (P<0.001), higher insulin (P<0.001), higher IL-6 (P<0.001) and lower adiponectin levels (P=0.013). Obese children demonstrated wider CRVE (P=0.041) and lower AVR (P<0.001). Higher leptin levels were associated with wider CRVE (P=0.032) and lower AVR (P=0.010), that was BMI dependent. Insulin levels were associated with arteriolar (P=0.045) and venular dilatation (P=0.034) after adjustment for BMI. No significant associations between adiponectin levels, IL-6 levels, physical fitness or physical activity and retinal vessel diameter were observed. Lower leptin levels were independently correlated with higher physical fitness (r=-0.33; P<0.001).

conclusionLeptin and insulin levels are associated with changes of the retinal microcirculation. Especially insulin seems to be a good target marker for the cardiometabolic risk assessment in children since elevated insulin levels are independently associated with microvascular end-organ alterations at an early stage. Lifestyle intervention studies are warranted to examine whether improvement of physical fitness or weight reduction can affect cardiometabolic risk markers and reverse alterations of the retinal microcirculation.

Indexed as

AdiponectinBiomarkersBlood PressureBody Mass IndexChildFemaleHumansInsulinInterleukin-6LeptinMaleMicrocirculationPediatric ObesityPrevalenceRetinal VesselsRisk AssessmentAdiponectinBiomarkersInsulinInterleukin-6Leptin

Identifiers

PMID24301134

What OpenQuestion holds

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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.