The Study
Combined effect of skeletal muscle mass loss and elevated insulin resistance on heart failure risk in older adults: a community-based longitudinal cohort study
This study watched a bunch of older people for almost 10 years and noticed that those who lost more muscle and had worse blood sugar control were more likely to get heart failure. But it didn’t make anyone change their muscle or diet — it just watched what happened, so we can’t say changing those things will stop heart failure.
Analysis score
Maximum 72 for a cohort study.
Where the score came from
As people age, losing muscle and becoming more insulin resistant can hurt the heart — especially when both happen together.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 560 / 100
Quality score
Groups of people are followed over time to see who develops an outcome. Strong for identifying risk factors and associations, but cannot prove causation as firmly as RCTs.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Yes — this means older adults with low muscle and poor blood sugar control are at very high risk, even if they don’t have diabetes.
- 2People with low muscle mass and high insulin resistance had almost double the risk of heart failure.
- 3For every standard deviation increase in muscle mass, risk dropped 9–32%; for every increase in insulin sensitivity (eGDR), risk dropped 27–30%.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Cardiovascular Diabetology
Year
2025
Authors
Weike Liu, Hua Zhang, Xin Wang, Huajing Song, Yanli Yao, Zhendong Liu, Juan Wang, Yuqi Guo
Related Content
Claims (6)
In adults aged 60 and older, lower muscle mass and lower ability to process glucose are linked to a higher chance of developing heart failure over nearly a decade, with higher muscle mass and better glucose processing each associated with a measurable reduction in heart failure risk.
People with both low muscle mass and insulin resistance have a higher risk of heart failure, and this increased risk is seen consistently in men and women, across different ages, body weights, activity levels, and in those with anemia or reduced kidney function.
In older adults, heart failure risk rises sharply when appendicular muscle mass falls below 5.88 kg/m² in women and 7.15 kg/m² in men, indicating a critical threshold below which lower muscle mass is linked to higher heart failure risk.
Older adults with low muscle mass in their arms and legs and high insulin resistance have twice the risk of heart failure compared to those with moderate levels of both, even when accounting for age, sex, and other heart conditions.
In older adults, a higher estimated glucose disposal rate (eGDR), which is calculated from waist size, blood sugar levels, and blood pressure status, is linked to a lower risk of heart failure. Each one standard deviation increase in eGDR corresponds to a 27–30% lower risk of heart failure.
Changes that improve insulin sensitivity, lower systemic inflammation, increase muscle mass, improve sleep quality, and reduce fat around the organs are associated with better metabolic health and lower risk of cardiovascular disease.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.