Evidence map›Paper›PMID 40156752›Full record

SynthesisObesity surgery2025

Is it Safe to Perform Concomitant Cholecystectomy in Patients With Confirmed Gallbladder Disease Undergoing Metabolic and Bariatric Surgery? An Updated Meta-Analysis.

Giulia Almiron da R Soares, Amanda Godoi, Pedro C A Reis, Ana Gabriela Ponte Farias, Gabriela R Brandao, Bernardo Fontel Pompeu, Mariana Pereira, Victor Kenzo Ivano, Sergio Mazzola Poli de Figueiredo

Abstract readMeta-AnalysisSystematic Review
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In one paragraph

Synthesis in Obesity surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. Article
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

9 authors.

Giulia Almiron da R SoaresUniversidade Metropolitana de Santos, Santos, Brazil. giuliaalmiron@hotmail.com.
Amanda GodoiCardiff University, Cardiff, UK.
Pedro C A ReisFederal University of Rio de Janeiro, Rio de Janeiro, Brazil.
Ana Gabriela Ponte FariasUniversidade Federal Do Ceará, Fortaleza, Brazil.
Gabriela R BrandaoBeth Israel Deaconess Medical Center, Boston, USA.
Bernardo Fontel PompeuUniversidade Municipal de São Caetano Do Sul, São Caetano Do Sul, Brazil.
Mariana PereiraEscola Bahiana de Medicina E Saúde Pública, Salvador, Brazil.
Victor Kenzo IvanoState University of Campinas, Campinas, Brazil.
Sergio Mazzola Poli de FigueiredoUniversity of North Carolina at Chapel Hill, Chapel Hill, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionObesity is a global public health issue, and metabolic and bariatric surgery (MBS) remains most effective intervention for achieving and maintaining long-term weight loss. However, rapid weight loss following MBS increases the risk of gallstone formation. Concomitant cholecystectomy (CC) during MBS has been proposed to mitigate this risk, but recent studies present conflicting evidence regarding its safety and efficacy, leaving no clear consensus.

methodsWe conducted a meta-analysis by systematically searching MEDLINE, Cochrane Central, Embase, and ClinicalTrials.gov for studies comparing CC plus BS versus BS alone. Odds ratios (ORs) and mean differences (MDs) with 95% confidence intervals (CIs) were pooled using a random-effects model. Statistical analyses were performed with Review Manager v5.4 and RStudio v4.3.3. PROSPERO ID: CRD42023480360.

resultsWe included 26 studies encompassing 656,830 patients with confirmed gallstones, among whom 34,409 (5.2%) underwent CC.The mean age was 41.5 years, and 79.2% were female. Patients undergoing CC + MBS had increased postoperative bleeding (OR 1.31; 95% CI 1.06-1.62; p = 0.01), wound complications (OR 1.61; 95% CI 1.34-1.95; p < 0.01), respiratory complications (OR 1.49; 95% CI 1.13-1.95; p < 0.01), and anastomotic complications (OR 1.86; 95% CI 1.28-2.70; p < 0.01). No significant differences in operation time, rates of postoperative mortality, length of hospital stay, and vein thrombosis were found between groups.

conclusionCC during MBS increases operative time and postoperative complications, though only anastomotic complications are clinically significant. Therefore, CC should be reserved for high-risk or symptomatic patients and avoided in bariatric procedures involving an anastomosis due to the elevated risk of complications.

Indexed as

Bariatric SurgeryCholecystectomyGallbladder DiseasesGallstonesObesity, MorbidAdultFemaleHumansMalePostoperative ComplicationsTreatment OutcomeBariatric surgeryCholecystectomyGallstonesObesityPostoperative complications

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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.