Evidence map›Paper›PMID 31820408›Full record

ArticleObesity surgery2020

Gastric Bypass with Different Biliopancreatic Limb Lengths Results in Similar Post-absorptive Metabolomics Profiles.

Ivana Jarak, Sofia S Pereira, Rui A Carvalho, Pedro F Oliveira, Marco G Alves, Marta Guimarães, Nicolai J Wewer Albrechtsen, Jens J Holst, Mário Nora, Mariana P Monteiro

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In one paragraph

Article in Obesity surgery, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
9citing 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

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

  1. Metabolomic signatures after bariatric surgery - a systematic review.Reviews in endocrine & metabolic disorders · 2022
    Pooled it
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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

10 authors.

Ivana JarakBiology and Genetics of Reproduction, Unit for Multidisciplinary Research in Biomedicine (UMIB), University of Porto, Porto, Portugal.
Sofia S PereiraEndocrine, Cardiovascular & Metabolic Research, Unit for Multidisciplinary Research in Biomedicine (UMIB), University of Porto, Porto, Portugal.
Rui A CarvalhoDepartment of Life Sciences, Faculty of Science and Technology (FCTUC), University of Coimbra, Coimbra, Portugal.
Pedro F OliveiraBiology and Genetics of Reproduction, Unit for Multidisciplinary Research in Biomedicine (UMIB), University of Porto, Porto, Portugal.
Marco G AlvesBiology and Genetics of Reproduction, Unit for Multidisciplinary Research in Biomedicine (UMIB), University of Porto, Porto, Portugal.
Marta GuimarãesEndocrine, Cardiovascular & Metabolic Research, Unit for Multidisciplinary Research in Biomedicine (UMIB), University of Porto, Porto, Portugal.
Nicolai J Wewer AlbrechtsenDepartment of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
Jens J HolstDepartment of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
Mário NoraDepartment of General Surgery, Centro Hospitalar de Entre o Douro e Vouga, Santa Maria da Feira, Portugal.
Mariana P MonteiroEndocrine, Cardiovascular & Metabolic Research, Unit for Multidisciplinary Research in Biomedicine (UMIB), University of Porto, Porto, Portugal. mpmonteiro@icbas.up.pt.ORCID 0000-0002-0662-1831

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND/

aimRoux-en-Y gastric bypass (RYGB) with a long biliopancreatic limb (BPL) was demonstrated to further improve type 2 diabetes (T2D) outcomes. Whether benefits occur at the cost of a negative impact on nutrient absorption is a matter of debate. Our aim was to evaluate the impact of RYGB BPL length on short-term nutrient absorption.

methodsSubjects (N = 20) submitted to RYGB with a 2 m BPL (n = 11) or standard BPL (60-100 cm) (n = 9) 4.2 ± 0.4 years earlier underwent a mixed meal tolerance test. Plasma metabolites were analyzed at baseline and after meal by nuclear magnetic resonance (NMR) spectroscopy. Spectra were subject to multivariate analysis (MVA). Partial least square discriminant analysis (PLS-DA) was used to identify metabolites responsible for group discrimination.

resultsPrincipal component analysis and PLS-DA showed a clear separation between plasma metabolites before and 30 min after meal intake in both groups. The metabolites responsible for differences between time points were glucose and branched-chain amino acids. A complete overlap in metabolite species and concentrations was observed at 0 and 30 min time points for both groups, while acetate levels 120 min after the meal intake were significantly higher in subjects submitted to RYGB with a 2-m-long BPL as compared to the group submitted to the standard RYGB procedure.

conclusionsPost-prandial plasma metabolomics profiles suggest that a 2-m-long BLP RYGB does not have a negative impact on acute metabolite absorption. RYGB BPL length seems to influence post-prandial acetate levels, which could contribute to the additional positive metabolic outcomes.

Indexed as

Diabetes Mellitus, Type 2Gastric BypassObesity, MorbidHumansMetabolomicsWeight LossBariatric surgeryGastric bypassMetabolomics profiles

Identifiers

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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.