Evidence map›Paper›PMID 35101037›Full record

SynthesisBMC medicine2022

Is metabolic syndrome a risk factor in hepatectomy? A meta-analysis with subgroup analysis for histologically confirmed hepatic manifestations.

Anastasia Murtha-Lemekhova, Juri Fuchs, Svenja Feiler, Erik Schulz, Miriam Teroerde, Eva Kalkum, Rosa Klotz, Adrian Billeter, Pascal Probst, Katrin Hoffmann

Abstract readMeta-Analysis
In one paragraph

Synthesis in BMC medicine, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
14citing 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

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

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  5. [Role of Kupffer cells in liver regeneration with metabolic associated fatty liver disease in mice].Zhonghua gan zang bing za zhi = Zhonghua ganzangbing zazhi = Chinese journal of hepatology · 2025
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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.

Anastasia Murtha-LemekhovaDepartment of General, Visceral, and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany.
Juri FuchsDepartment of General, Visceral, and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany.
Svenja FeilerDepartment of General, Visceral, and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany.
Erik SchulzDepartment of General, Visceral, and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany.
Miriam TeroerdeDepartment of General, Visceral, and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany.
Eva KalkumThe Study Center of the German Surgical Society (SDGC), Heidelberg University Hospital, Heidelberg, Germany.
Rosa KlotzDepartment of General, Visceral, and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany.
Adrian BilleterDepartment of General, Visceral, and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany.
Pascal ProbstDepartment of General, Visceral, and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany.
Katrin HoffmannDepartment of General, Visceral, and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany. katrin.hoffmann@med.uni-heidelberg.de.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundMetabolic syndrome (MetS) is a risk factor in surgery. MetS can progress to metabolic (dysfunction)-associated fatty liver disease (MAFLD), a vast-growing etiology of primary liver tumors which are major indications for liver surgery. The aim of this meta-analysis was to investigate the impact of MetS on complications and long-term outcomes after hepatectomy.

methodsThe protocol for this meta-analysis was registered at PROSPERO prior to data extraction. MEDLINE, Web of Science, and Cochrane Library were searched for publications on liver resections and MetS. Comparative studies were included. Outcomes encompassed postoperative complications, mortality, and long-term oncologic status. Data were pooled as odds ratio (OR) with a random-effects model. Risk of bias was assessed using the Quality in Prognostic Studies tool (QUIPS), and the certainty of the evidence was evaluated with GRADE. Subgroup analyses for patients with histopathologically confirmed non-alcoholic fatty liver disease (NAFLD) versus controls were performed.

resultsThe meta-analyses included fifteen comparative studies. Patients with MetS suffered significantly more overall complications (OR 1.55; 95% CI [1.05; 2.29]; p=0.03), major complications (OR 1.97 95% CI [1.13; 3.43]; p=0.02; I

conclusionPatients with MetS that undergo liver surgery suffer more complications, such as postoperative hemorrhage and infection but not liver-specific complications-PHLF and biliary leakage. Histologically confirmed NAFLD is associated with significantly higher PHLF rates, yet, survivals of these patients are similar to patients without the MetS. Further studies should focus on identifying the tipping point for increased risk in patients with MetS-associated liver disease, as well as reliable markers of MAFLD stages and early markers of PHLF.

trial registrationPROSPERO Nr: CRD42021253768.

Indexed as

Metabolic SyndromeNon-alcoholic Fatty Liver DiseaseHepatectomyHumansRisk Factorsliver surgeryMAFLDmeta-analysisMetabolic syndromeNAFLDNASHpost-hepatectomy liver failure

Identifiers

PMID35101037
PMCPMC8802506

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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.