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Carotid intima-media thickness in pediatric type 1 diabetic patients

Rocio Rabago Rodriguez1, Rita A Gómez-Díaz, Janet Tanus Haj

  • 1Servicio de Endocrinología, UMAE Hospital de Pediatría, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico.

Diabetes Care
|July 24, 2007
PubMed

Insights

Pediatric type 1 diabetes is linked to increased carotid artery intima-media thickness (cIMT) and reduced blood flow velocities in Hispanic children. This suggests early vascular changes in young patients with type 1 diabetes.

Area of Science:

  • Cardiovascular Health
  • Pediatric Endocrinology
  • Medical Imaging

Background:

  • Type 1 diabetes (T1D) is a chronic condition affecting children, with potential long-term cardiovascular implications.
  • Early detection of vascular changes in pediatric T1D is crucial for timely intervention.
  • Hispanic populations may have unique risk factors or disease progression patterns.

Purpose of the Study:

  • To compare carotid artery intima-media thickness (cIMT) in Hispanic pediatric patients with type 1 diabetes versus healthy controls.
  • To assess potential differences in carotid blood flow velocities between the two groups.
  • To investigate early subclinical atherosclerosis markers in pediatric T1D.

Main Methods:

  • Carotid Doppler and real-time ultrasound were used to measure cIMT, peak systolic velocity, and end diastolic velocity.
  • Participants were Hispanic children, with cases having type 1 diabetes and controls being healthy, matched for age, sex, height, and BMI.
  • Biochemical parameters and anthropometric measurements were also collected.

Main Results:

  • A significantly higher cIMT was observed in children with type 1 diabetes compared to healthy controls (0.463 +/- 0.04 mm vs. 0.441 +/- 0.04 mm, P = 0.001).
  • Peak systolic velocity and end diastolic velocity were significantly lower in the type 1 diabetes group.
  • No significant differences in baseline characteristics (age, sex, height, BMI, blood pressure) were found between groups.

Conclusions:

  • Type 1 diabetes is associated with increased cIMT in Hispanic pediatric patients, indicating early vascular remodeling.
  • Decreased carotid blood flow velocities in pediatric T1D patients suggest impaired vascular function.
  • These findings highlight the importance of monitoring vascular health in children with type 1 diabetes.
Abstract

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