Hyperketonemia and ketosis increase the risk of complications in type 1 diabetes.
Level 5 - mechanism / opinion, no new human data
Narrative review of mechanisms linking hyperketonemia to oxidative stress and complications
PubMed 27036365 · doi:10.1016/j.freeradbiomed.2016.03.020
What was done
This narrative review synthesized recent literature examining the physiological and pathological effects of elevated circulating ketone bodies (acetoacetate, 3-β-hydroxybutyrate, and acetone). It focused on biological mechanisms through which hyperketonemia and diabetic ketoacidosis induce oxidative stress, cellular damage, and organ-specific complications in patients with type 1 diabetes.
What was found
The abstract reports no numerical data, effect sizes, or statistical metrics. It describes qualitative associations indicating that diabetic individuals with hyperketonemia demonstrate higher rates of complications involving the brain, liver, kidneys, and microvasculature compared to diabetic patients with normal circulating ketone levels, driven primarily by redox imbalances and oxidative injury.
Why it matters
While ketogenic diets and elevated ketone levels are often studied for therapeutic metabolic or neurological benefits, this paper emphasizes that pathological elevations in circulating ketones can trigger cellular damage and exacerbate multi-organ complications in diabetes.
Limits
As a narrative review, the abstract provides no specific study selection criteria, sample sizes, or quantitative meta-analyses. It does not define specific clinical thresholds distinguishing physiological ketosis from harmful hyperketonemia, nor does it report controls for confounding glycemic variables.
Cited by
- supports Fatty acid breakdown in the liver via beta-oxidation produces three ketone bodies: beta-hydroxybutyrate, acetoacetate, and acetone.