Related Experiment Video
Updated: Aug 12, 2026

Laser Doppler: A Tool for Measuring Pancreatic Islet Microvascular Vasomotion In Vivo
Published on: March 8, 2018
[Vascular endothelium: a target organ for diabetes mellitus]
1Service de Physiologie et d'Explorations Fonctionnelles, CHU Jean-Verdier, F - 93143 Bondy Cedex.
Insights
Diabetes mellitus causes abnormal blood vessel reactivity in coronary arteries and microvessels, potentially leading to diabetic cardiomyopathy. These vascular issues may also contribute to high blood pressure in diabetic patients.
Area of Science:
- Cardiovascular Physiology
- Endocrinology
- Vascular Biology
Context:
- Diabetes mellitus is linked to endothelial dysfunction affecting coronary arteries and microvessels.
- Microcirculatory abnormalities are present even with normal-appearing coronary arteries in diabetic patients.
- These vascular changes impact the heart's ability to respond to increased metabolic demands.
Purpose:
- To review the physiopathological mechanisms of endothelial dysfunction in diabetes.
- To explore the role of vascular abnormalities in diabetic cardiomyopathy.
- To discuss the potential contribution to arterial hypertension in diabetes.
Summary:
- Diabetes mellitus induces endothelial dysfunction in coronary arteries and microvessels, characterized by impaired vascular reactivity.
- Structural and functional microcirculatory abnormalities contribute to inadequate coronary blood flow regulation.
- These vascular deficits are implicated in the progression of myocardial alterations and diabetic cardiomyopathy.
Impact:
- Understanding these mechanisms is crucial for managing cardiovascular complications in diabetes.
- Highlights the link between endothelial dysfunction and diabetic cardiomyopathy.
- Suggests potential pathways for investigating arterial hypertension in diabetic individuals.
Abstract:
Diabetes mellitus is responsible for abnormalities in the control of endothelium-dependent vascular reactivity observed on both coronary arteries and coronary microvessels. These abnormalities of coronary artery circulation are associated with structural microcirculatory abnormalities even in subjects with angiographically normal coronary arteries. Both these structural and functional abnormalities might be responsible for an inadequate coronary response to an increased myocardial metabolic demand. These could be a key factor in the progressive myocardial alterations and in the physiopathology of diabetic cardiomyopathy. Their role in the genesis of arterial hypertension in diabetic patients remain to be clarified. The main physiopathological mechanisms of endothelial dysfunction are reviewed.
More Related Videos
Related Concept Videos
Diabetes Mellitus: Type 2 and Gestational
Pathophysiology of Diabetes
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility, suggesting a...
Diabetes Mellitus: Introduction
Type II Diabetes II: Pathophysiology
Diabetic Retinopathy
Diabetic Nephropathy

