The Study
Insulin resistance in essential hypertension is characterized by impaired insulin stimulation of blood flow in skeletal muscle
This study compares two groups of people — those with mild high blood pressure and those without — to see how their muscles respond to insulin. It shows a link between high blood pressure and weaker blood flow response to insulin, but it can't prove one causes the other.
Analysis score
Maximum 44 for a cross-sectional study.
Where the score came from
Insulin helps blood flow and sugar use in muscles. In people with slightly high blood pressure, insulin doesn't increase blood flow or sugar use as much as in healthy people.
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 527 / 100
Quality score
Snapshots of a population at a single point in time, or descriptions of small groups. Can identify correlations and prevalence, but cannot determine cause and effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1This means muscles in people with high blood pressure get less blood and sugar when insulin is present, which can affect energy and health.
- 2Blood flow went up 91% in healthy people but only 33% in those with high blood pressure.
- 3Sugar uptake was also lower in the high blood pressure group.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Journal of Hypertension
Year
1998
Authors
H. Laine, M. Knuuti, U. Ruotsalainen, M. Raitakari, H. Iida, J. Kapanen, O. Kirvelä, M. Haaparanta, H. Yki-Järvinen, P. Nuutila
Related Content
Claims (4)
Insulin helps open up blood vessels in your muscles, letting more blood through so nutrients like creatine can get to the muscle cells more easily.
People with mild high blood pressure don't get as big of a blood flow boost in their muscles when insulin kicks in, compared to people with normal blood pressure.
People with mild high blood pressure who aren't taking medicine don't process sugar as well in their muscles and body when insulin is high, which suggests their body is resisting insulin's effects.
People with mild high blood pressure who have trouble using insulin well also tend to have muscles that don’t take in sugar properly and don’t get as much blood flow — suggesting their metabolism and blood vessels might be struggling together.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.