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Background <p>Cardiovascular disease (CVD) is the leading cause of morbidity and mortality in individuals with type 1 diabetes mellitus (T1DM), with insulin resistance (IR) increasingly recognized as a key contributor. The estimated glucose disposal rate (eGDR), a surrogate marker of insulin sensitivity, has been proposed as a predictor of adverse cardiovascular outcomes in T1DM. This systematic review and meta-analysis aimed to assess the association between eGDR and adverse cardiovascular outcomes.</p> Methods <p>A systematic search of PubMed, Embase, Scopus, and Cochrane Library was conducted through March 6, 2025, to identify studies reporting multivariable-adjusted risk estimates linking eGDR with cardiovascular outcomes in individuals with T1DM. Pooled hazard ratios (HRs) were estimated using random-effects models with the Paule–Mandel method and Knapp–Hartung adjustment. Subgroup and meta-regression analyses were conducted to explore potential effect modifiers, and leave-one-out (LOO) sensitivity analyses were performed to assess the robustness of findings.</p> Results <p>Sixteen studies comprising 29,075 individuals with T1DM were included. Higher eGDR was significantly associated with lower risk of MACE and all-cause mortality, with hazard ratios per unit increase of 0.79 (95% CI: 0.72–0.87; I² = 63%) and 0.84 (95% CI: 0.82–0.86; I² = 0%), respectively. Lower eGDR was also associated with increased risk of CAD (low vs. high eGDR: HR 3.61; 95% CI: 2.83–4.62; I² = 0%). Subgroup analyses suggested a stronger protective association between eGDR and MACE among older individuals (≥ 40 years), those with BMI &lt; 25&#xa0;kg/m², and those with longer diabetes duration (≥ 20 years). LOO sensitivity analyses showed that CAD was the only outcome influenced by exclusion of the largest study.</p> Conclusions <p>Lower eGDR is consistently associated with increased risk of MACE, CAD, and all-cause mortality in individuals with T1DM. These findings support the utility of eGDR as a practical, non-invasive marker for cardiovascular risk stratification in this high-risk population.</p> Graphical Abstract <p></p>

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Estimated glucose disposal rate and risk of cardiovascular events in type 1 diabetes: a systematic review and meta-analysis

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月21日

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  • Parham Dastjerdi,
  • Negin Sadat Hosseini Mohammadi,
  • Nazanin Anaraki,
  • Soheil Rahmati,
  • Reza Nikfar,
  • Saghar Momeni,
  • Sahar Zafarmandi,
  • Sahar Saeidi,
  • Mani Askari,
  • Sajjad Hosseini,
  • Hamidreza Soleimani

摘要

Background

Cardiovascular disease (CVD) is the leading cause of morbidity and mortality in individuals with type 1 diabetes mellitus (T1DM), with insulin resistance (IR) increasingly recognized as a key contributor. The estimated glucose disposal rate (eGDR), a surrogate marker of insulin sensitivity, has been proposed as a predictor of adverse cardiovascular outcomes in T1DM. This systematic review and meta-analysis aimed to assess the association between eGDR and adverse cardiovascular outcomes.

Methods

A systematic search of PubMed, Embase, Scopus, and Cochrane Library was conducted through March 6, 2025, to identify studies reporting multivariable-adjusted risk estimates linking eGDR with cardiovascular outcomes in individuals with T1DM. Pooled hazard ratios (HRs) were estimated using random-effects models with the Paule–Mandel method and Knapp–Hartung adjustment. Subgroup and meta-regression analyses were conducted to explore potential effect modifiers, and leave-one-out (LOO) sensitivity analyses were performed to assess the robustness of findings.

Results

Sixteen studies comprising 29,075 individuals with T1DM were included. Higher eGDR was significantly associated with lower risk of MACE and all-cause mortality, with hazard ratios per unit increase of 0.79 (95% CI: 0.72–0.87; I² = 63%) and 0.84 (95% CI: 0.82–0.86; I² = 0%), respectively. Lower eGDR was also associated with increased risk of CAD (low vs. high eGDR: HR 3.61; 95% CI: 2.83–4.62; I² = 0%). Subgroup analyses suggested a stronger protective association between eGDR and MACE among older individuals (≥ 40 years), those with BMI < 25 kg/m², and those with longer diabetes duration (≥ 20 years). LOO sensitivity analyses showed that CAD was the only outcome influenced by exclusion of the largest study.

Conclusions

Lower eGDR is consistently associated with increased risk of MACE, CAD, and all-cause mortality in individuals with T1DM. These findings support the utility of eGDR as a practical, non-invasive marker for cardiovascular risk stratification in this high-risk population.

Graphical Abstract