The Gluco-Vascular Injury Axis in Diabetic Cardiovascular Dysfunction: A Narrative Review.
Level 5 - mechanism / opinion, no new human data
Narrative review synthesizing mechanistic and clinical concepts without systematic search or meta-analytic methods.
PubMed 42445662 · doi:10.7759/cureus.110771
What was done
This narrative review synthesized mechanistic, experimental, and clinical literature to describe a conceptual framework termed the "gluco-vascular injury axis." The framework maps how diabetes-associated metabolic stress leads to endothelial dysfunction, microvascular impairment, myocardial remodeling, and heart failure. The review was not designed as a systematic review and did not use formal literature search, screening, or meta-analytic methods.
What was found
The abstract reports no numerical findings, effect sizes, or quantitative data. It describes a pathophysiological sequence wherein chronic hyperglycemia, insulin resistance, dyslipidemia, oxidative stress, inflammation, AGE-RAGE signaling, mitochondrial impairment, arterial stiffness, and coronary microvascular dysfunction contribute to myocardial fibrosis, diastolic dysfunction, and heart failure, positioning endothelial dysfunction as the central transition point.
Why it matters
The review organizes fragmented metabolic, vascular, and myocardial mechanisms into a unified continuum. It suggests that cardiovascular risk reduction in diabetes requires multi-target strategies across the entire injury pathway rather than glycemic control alone.
Limits
As an unsystematic narrative review, the paper provides no primary data, quantitative synthesis, or statistical estimates. It lacks formal search protocols, structured study screening, and risk-of-bias assessments, making the synthesis susceptible to selective citation.
Cited by
- context Elevated glucose levels primarily damage small blood vessels while elevated insulin levels primarily damage large blood vessels.