Hypothyroidism increases the risk of heart failure.

the verdict

INSUFFICIENT LEANING

Recorded sources

7 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that hypothyroidism increases the risk of heart failure?

Unclear. Several sources indicate that hypothyroidism, particularly subclinical hypothyroidism, is associated with adverse cardiac effects and worse cardiovascular outcomes, including increased heart failure risk in specific populations such as iodine-exposed veterans and patients with existing heart failure. However, the evidence covers narrower populations and settings rather than establishing the general claim that hypothyroidism increases heart failure risk.

Verdict: PARTIAL LEAN · 7 sources for, 0 against · Last checked 3 Oct 2026

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 7

Hypothyroidism

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Hypothyroidism. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Hypothyroidism

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More for · 6

Hypothyroidism and the Heart -

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Hypothyroidism and the Heart - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.14797/mdcj-13-2-55

Subclinical hypothyroidism and heart failure risk in older people

2013

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G., P., S., T., & A., P. (2013). Subclinical hypothyroidism and heart failure risk in older people. zenodo.org. https://doi.org/10.2174/1871530311313010004

Iodine‐Induced Hypothyroidism and Long‐Term Risks of Incident Heart Failure

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Iodine‐Induced Hypothyroidism and Long‐Term Risks of Incident Heart Failure. (n.d.). cir.nii.ac.jp. https://doi.org/10.1161/jaha.123.030511

Effect of levothyroxine replacement therapy in patients with subclinical hypothyroidism and chronic heart failure: A systematic review

2022

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Triggiani, V., Cittadini, A., & Lisco, G. (2022). Effect of levothyroxine replacement therapy in patients with subclinical hypothyroidism and chronic heart failure: A systematic review. doi.org. https://doi.org/10.3389/fendo.2022.1013641

Subclinical Hypothyroidism Predicted Adverse Cardiovascular Events in Patients with Ejection Fraction Preserved Heart Failure

2024

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Subclinical Hypothyroidism Predicted Adverse Cardiovascular Events in Patients with Ejection Fraction Preserved Heart Failure. (2024). doi.org. https://doi.org/10.2147/tcrm.s433489

Subclinical Hypothyroidism Predicted Adverse Cardiovascular Events in Patients with Ejection Fraction Preserved Heart Failure

2024

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Q, T., M, C., H, Y., Y, G., & X, Z. (2024). Subclinical Hypothyroidism Predicted Adverse Cardiovascular Events in Patients with Ejection Fraction Preserved Heart Failure. dovepress.com. https://www.dovepress.com/subclinical-hypothyroidism-predicted-adverse-cardiovascular-events-in--peer-reviewed-fulltext-article-TCRM

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