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Assessment of Vascular Tone Responsiveness using Isolated Mesenteric Arteries with a Focus on Modulation by Perivascular Adipose Tissues
Published on: June 3, 2019
Age effect on vascular reactivity in Type 1 diabetes
P Grzelak1, L Czupryniak, M Olszycki
1Radiology and Diagnostic Imaging Department, Barlicki University Hospital No. 1, Medical University of Lodz, Lodz, Poland.
Summary
Vascular reactivity decreases with age in both healthy individuals and those with Type 1 diabetes. However, diabetic patients exhibit delayed responses, indicating age-related vascular dysfunction.
Area of Science:
- Cardiovascular Medicine
- Endocrinology
- Vascular Biology
Background:
- Age significantly influences vascular function.
- Type 1 diabetes is associated with accelerated vascular aging and dysfunction.
- Understanding age-related changes in vascular reactivity is crucial for managing diabetic complications.
Purpose of the Study:
- To investigate the impact of age on brachial artery vascular reactivity.
- To compare age-related vascular responses between Type 1 diabetes patients and healthy controls.
Main Methods:
- Ultrasound assessment of brachial artery diameter changes after nitric oxide donor administration.
- Inclusion of 45 Type 1 diabetes patients and 71 healthy controls across three age groups (18-30, 31-45, 46-60 years).
Main Results:
- Vascular reactivity was highest in the youngest control group and diminished with age.
- Type 1 diabetes patients showed reduced vasodilative responses compared to age-matched controls, particularly in younger groups (P < 0.05).
- The age-related decline in vascular reactivity was more pronounced in diabetic individuals.
Conclusions:
- Vascular reactivity is strongly age-dependent in all subjects.
- Type 1 diabetes exacerbates age-related vascular dysfunction, leading to delayed responses.
- Age should be considered in vasodilation test protocols for Type 1 diabetes patients.
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