[Microalbuminuria, pulse wave velocity and common carotid artery intima-media thickness in type 2 diabetes]
L d'Esteve-Bonetti1, J Amar, H Hanaire-Broutin
1Service de médecine interne et d'hypertension CHU Purpan, Toulouse.
Abstract:
The aim of the study was to evaluate pulse wave velocity (PWV) and carotid intima-media thickness (IMT) in type 2 diabetics with microalbuminuria (mualb). The study concerned 37 patients type 2 diabetics, age: 53.4 +/- 6.6, years free of cardiovascular complications. HbA1C was 7.73 +/- 1.39%, waist circumference 104.2 +/- 11.7 cm. 19 patients with BP > 130/85 mmHg were identified as mild hypertensives (17/19 under treatment). All patients underwent ABPM, PWV and IMT measurements. The study population was separated into 2 subgroups according to median of mualb (mg/24 h): 18.9. [table: see text] In patients with mualb > 18.9 mg/24, IMT and PWV were significantly increased (p = 0.06; p < 0.01). After adjustment to BP and age, there was no significant difference in IMT and PWV in the subgroups. In this selected population of type 2 diabetics, microalbuminuria appears associated to a pressure-dependant vascular remodeling.
Insights
Microalbuminuria in type 2 diabetes is linked to increased vascular stiffness and thickening, particularly in hypertensive patients. However, this association appears dependent on blood pressure and age.
Area of Science:
- Cardiovascular Medicine
- Nephrology
- Endocrinology
Context:
- Type 2 diabetes is a growing global health concern.
- Microalbuminuria is an early marker of diabetic kidney disease.
- Vascular complications are a major cause of morbidity and mortality in diabetics.
Purpose:
- To assess pulse wave velocity (PWV) and carotid intima-media thickness (IMT) in type 2 diabetics with microalbuminuria.
- To investigate the relationship between microalbuminuria, blood pressure, and vascular remodeling.
Summary:
- The study included 37 type 2 diabetic patients, assessing PWV and IMT.
- Patients with microalbuminuria exceeding 18.9 mg/24h showed significantly increased IMT and PWV.
- After adjusting for blood pressure and age, these differences were no longer significant, suggesting a pressure-dependent effect.
Impact:
- Microalbuminuria in type 2 diabetes is associated with vascular remodeling.
- Blood pressure is a key factor influencing vascular changes in diabetic patients with microalbuminuria.
- Findings highlight the importance of blood pressure management in preventing vascular complications in type 2 diabetes.
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