Evidence map›Paper›PMID 42433305›Full record

ArticleJournal of diabetes and metabolic disorders2026

Triglyceride-glucose index as a predictor of body composition changes in patients undergoing bariatric surgery.

Mojgan Mirabdolhagh Hazaveh, Shayan Shojaei, Asma Mousavi, Diar Zooravar, Sama Aghamohamadpour, Shaygan Yousefifar, Mohammad Talebpour, Hanieh Radkhah

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Article in Journal of diabetes and metabolic disorders, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

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8 authors.

Mojgan Mirabdolhagh HazavehDepartment of Endocrinology, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran.
Shayan ShojaeiTehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran.
Asma MousaviTehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran.
Diar ZooravarSchool of Medicine, Iran University of Medical Sciences, Tehran, Iran.
Sama AghamohamadpourDepartment of Internal Medicine, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran.
Shaygan YousefifarDepartment of Internal Medicine, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran.
Mohammad TalebpourDepartment of Surgery, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran.
Hanieh RadkhahDepartment of Internal Medicine, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: The triglyceride-glucose index (TyG) is a practical marker for assessing insulin resistance. This study evaluates the ability of the TyG index to predict body composition changes in patients following bariatric surgery. Methods: A retrospective cohort study of 190 participants (45 diabetics, 89 pre-diabetics, and 56 normal glycemic) undergoing bariatric surgery at Sina Hospital from 2024 to 2025 was conducted. Body composition was measured via bioelectrical impedance analysis (BIA) at baseline, 3- and 6-months post-surgery. The main outcome was the association between baseline TyG levels and changes in body composition. Subgroup analyses were performed based on glycemic status. Results: Among diabetics, baseline TyG negatively correlated with free fat mass (rho=-0.427, Conclusion: The TyG index appears to be a useful predictor of body composition changes after bariatric surgery, particularly among patients with diabetes. The significant alterations observed in the TyG index within the first 3- and 6- months post-surgery suggest its potential as a marker of metabolic health in bariatric interventions. Supplementary Information: The online version contains supplementary material available at 10.1007/s40200-026-02001-7.

Indexed as

Bariatric surgeryBody compositionInsulin resistanceTriglyceride-glucose index

Identifiers

PMID42433305
PMCPMC13350601

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